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@ -83,7 +83,7 @@ A curated list of awesome Java frameworks, libraries and software.
### Bean Mapping
*Frameworks that ease bean mapping.*
_Frameworks that ease bean mapping._
- [dOOv](https://github.com/doov-io/doov) - Provides fluent API for typesafe domain model validation and mapping. It uses annotations, code generation and a type safe DSL to make bean validation and mapping fast and easy.
- [Dozer](https://github.com/DozerMapper/dozer) - Mapper that copies data from one object to another using annotations and API or XML configuration.
@ -96,7 +96,7 @@ A curated list of awesome Java frameworks, libraries and software.
### Build
*Tools that handle the build cycle and dependencies of an application.*
_Tools that handle the build cycle and dependencies of an application._
- [Apache Maven](https://maven.apache.org) - Declarative build and dependency management that favors convention over configuration. It might be preferable to Apache Ant, which uses a rather procedural approach and can be difficult to maintain.
- [Bazel](https://bazel.io) - Tool from Google that builds code quickly and reliably.
@ -105,7 +105,7 @@ A curated list of awesome Java frameworks, libraries and software.
### Bytecode Manipulation
*Libraries to manipulate bytecode programmatically.*
_Libraries to manipulate bytecode programmatically._
- [ASM](http://asm.ow2.org) - All-purpose, low-level bytecode manipulation and analysis.
- [Byte Buddy](http://bytebuddy.net) - Further simplifies bytecode generation with a fluent API.
@ -118,7 +118,7 @@ A curated list of awesome Java frameworks, libraries and software.
### Caching
*Libraries that provide caching facilities.*
_Libraries that provide caching facilities._
- [cache2k](https://cache2k.org) - In-memory high performance caching library.
- [Caffeine](https://github.com/ben-manes/caffeine) - High-performance, near-optimal caching library.
@ -127,7 +127,7 @@ A curated list of awesome Java frameworks, libraries and software.
### CLI
*Libraries for everything related to the CLI.*
_Libraries for everything related to the CLI._
- [ASCII Table](https://github.com/vdmeer/asciitable) - Library to draw tables in ASCII.
- [Airline](https://github.com/airlift/airline) - Annotation-based framework for parsing Git-like command-line arguments.
@ -145,7 +145,7 @@ A curated list of awesome Java frameworks, libraries and software.
### Cluster Management
*Frameworks that can dynamically manage applications inside of a cluster.*
_Frameworks that can dynamically manage applications inside of a cluster._
- [Apache Aurora](https://aurora.apache.org) - Mesos framework for long-running services and cron jobs.
- [Apache Mesos](https://mesos.apache.org) - Abstracts CPU, memory, storage, and other compute resources away from machines.
@ -153,7 +153,7 @@ A curated list of awesome Java frameworks, libraries and software.
### Code Analysis
*Tools that provide metrics and quality measurements.*
_Tools that provide metrics and quality measurements._
- [Checkstyle](https://github.com/checkstyle/checkstyle) - Static analysis of coding conventions and standards. (LGPL-2.1-or-later)
- [Error Prone](https://github.com/google/error-prone) - Catches common programming mistakes as compile-time errors.
@ -168,7 +168,7 @@ A curated list of awesome Java frameworks, libraries and software.
### Code Coverage
*Frameworks and tools that enable code coverage metrics collection for test suites.*
_Frameworks and tools that enable code coverage metrics collection for test suites._
- [Clover ![c]](https://www.atlassian.com/software/clover/overview) - Relies on source-code instrumentation instead of bytecode instrumentation.
- [Cobertura](https://cobertura.github.io/cobertura) - Relies on offline (or static) bytecode instrumentation and class loading to collect code coverage metrics. (GPL-2.0-only)
@ -176,7 +176,7 @@ A curated list of awesome Java frameworks, libraries and software.
### Code Generators
*Tools that generate patterns for repetitive code in order to reduce verbosity and error-proneness.*
_Tools that generate patterns for repetitive code in order to reduce verbosity and error-proneness._
- [ADT4J](https://github.com/sviperll/adt4j) - JSR-269 code generator for algebraic data types.
- [Auto](https://github.com/google/auto) - Generates factory, service, and value classes.
@ -189,7 +189,7 @@ A curated list of awesome Java frameworks, libraries and software.
### Compiler-compiler
*Frameworks that help to create parsers, interpreters or compilers.*
_Frameworks that help to create parsers, interpreters or compilers._
- [ANTLR](http://www.antlr.org) - Complex full-featured framework for top-down parsing.
- [JavaCC](https://javacc.org) - Parser generator that generates top-down parsers. Allows lexical state switching and permits extended BNF specifications.
@ -197,7 +197,7 @@ A curated list of awesome Java frameworks, libraries and software.
### Configuration
*Libraries that provide external configuration.*
_Libraries that provide external configuration._
- [centraldogma](https://github.com/line/centraldogma) - Highly-available version-controlled service configuration repository based on Git, ZooKeeper and HTTP/2.
- [cfg4j](https://github.com/cfg4j/cfg4j) - Modern configuration library for distributed apps written in Java.
@ -209,7 +209,7 @@ A curated list of awesome Java frameworks, libraries and software.
### Constraint Satisfaction Problem Solver
*Libraries that help with implementing optimization and satisfiability problems.*
_Libraries that help with implementing optimization and satisfiability problems._
- [Choco](http://www.choco-solver.org) - Off-the-shelf constraint satisfaction problem solver that uses constraint programming techniques.
- [JaCoP](https://github.com/radsz/jacop) - Includes an interface for the FlatZinc language, enabling it to execute MiniZinc models. (AGPL-3.0)
@ -217,7 +217,7 @@ A curated list of awesome Java frameworks, libraries and software.
### CSV
*Frameworks and libraries that simplify reading/writing CSV data.*
_Frameworks and libraries that simplify reading/writing CSV data._
- [jackson-dataformat-csv](https://github.com/FasterXML/jackson-dataformat-csv) - Jackson extension for reading and writing CSV.
- [opencsv](http://opencsv.sourceforge.net) - Simple CSV parser.
@ -226,7 +226,7 @@ A curated list of awesome Java frameworks, libraries and software.
### Database
*Everything that simplifies interactions with the database.*
_Everything that simplifies interactions with the database._
- [Apache Drill](https://drill.apache.org) - Distributed, schema on-the-fly, ANSI SQL query engine for Big Data exploration.
- [Apache Phoenix](https://phoenix.apache.org) - High-performance relational database layer over HBase for low-latency applications.
@ -261,7 +261,7 @@ A curated list of awesome Java frameworks, libraries and software.
### Data Structures
*Efficient and specific data structures.*
_Efficient and specific data structures._
- [Apache Avro](https://avro.apache.org) - Data interchange format with dynamic typing, untagged data, and absence of manually assigned IDs.
- [Apache Orc](https://orc.apache.org) - Fast and efficient columnar storage format for Hadoop-based workloads.
@ -277,7 +277,7 @@ A curated list of awesome Java frameworks, libraries and software.
### Date and Time
*Libraries related to handling date and time.*
_Libraries related to handling date and time._
- [Almanac Converter](https://github.com/hypotemoose/almanac-converter) - Simple conversion between different calendar systems.
- [iCal4j](https://github.com/ical4j/ical4j) - Parse and build iCalendar [RFC 5545](https://tools.ietf.org/html/rfc5545) data models.
@ -286,7 +286,7 @@ A curated list of awesome Java frameworks, libraries and software.
### Dependency Injection
*Libraries that help to realize the [Inversion of Control](https://en.wikipedia.org/wiki/Inversion_of_control) paradigm.*
_Libraries that help to realize the [Inversion of Control](https://en.wikipedia.org/wiki/Inversion_of_control) paradigm._
- [Apache DeltaSpike](https://deltaspike.apache.org) - CDI extension framework.
- [Dagger2](https://google.github.io/dagger) - Compile-time injection framework without reflection.
@ -298,7 +298,7 @@ A curated list of awesome Java frameworks, libraries and software.
### Development
*Augmentation of the development process at a fundamental level.*
_Augmentation of the development process at a fundamental level._
- [AspectJ](https://eclipse.org/aspectj) - Seamless aspect-oriented programming extension.
- [DCEVM](https://dcevm.github.io) - JVM modification that allows unlimited redefinition of loaded classes at runtime. (GPL-2.0-only)
@ -313,7 +313,7 @@ A curated list of awesome Java frameworks, libraries and software.
### Distributed Applications
*Libraries and frameworks for writing distributed and fault-tolerant applications.*
_Libraries and frameworks for writing distributed and fault-tolerant applications._
- [Apache Geode](https://geode.apache.org) - In-memory data management system that provides reliable asynchronous event notifications and guaranteed message delivery.
- [Apache Storm](https://storm.apache.org) - Realtime computation system.
@ -332,7 +332,7 @@ A curated list of awesome Java frameworks, libraries and software.
### Distributed Transactions
*Distributed transactions provide a mechanism for ensuring consistency of data updates in the presence of concurrent access and partial failures.*
_Distributed transactions provide a mechanism for ensuring consistency of data updates in the presence of concurrent access and partial failures._
- [Atomikos](https://www.atomikos.com) - Provides transactions for REST, SOA and microservices with support for JTA and XA.
- [Bitronix](https://github.com/bitronix/btm) - A simple but complete implementation of the JTA 1.1 API.
@ -340,7 +340,7 @@ A curated list of awesome Java frameworks, libraries and software.
### Distribution
*Tools that handle the distribution of applications in native formats.*
_Tools that handle the distribution of applications in native formats._
- [Bintray ![c]](https://bintray.com) - Version control for binaries that handle publishing. Compatible with Maven or Gradle, with a free plan for open-source software as well as several business plans.
- [Boxfuse ![c]](https://boxfuse.com) - Deployment of JVM applications to AWS using the principles of immutable infrastructure.
@ -355,7 +355,7 @@ A curated list of awesome Java frameworks, libraries and software.
### Document Processing
*Libraries that assist with processing office document formats.*
_Libraries that assist with processing office document formats._
- [Apache POI](https://poi.apache.org) - Supports OOXML (XLSX, DOCX, PPTX) as well as OLE2 (XLS, DOC or PPT).
- [documents4j](http://documents4j.com) - API for document format conversion using third-party converters such as MS Word.
@ -364,7 +364,7 @@ A curated list of awesome Java frameworks, libraries and software.
### Formal Verification
*Formal-methods tools: proof assistants, model checking, symbolic execution, etc.*
_Formal-methods tools: proof assistants, model checking, symbolic execution, etc._
- [CATG](https://github.com/ksen007/janala2) - Concolic unit testing engine. Automatically generates unit tests using formal methods.
- [Checker Framework](https://checkerframework.org) - Pluggable type systems. Includes nullness types, physical units, immutability types and more. (GPL-2.0-only WITH Classpath-exception-2.0)
@ -376,7 +376,7 @@ A curated list of awesome Java frameworks, libraries and software.
### Functional Programming
*Libraries that facilitate functional programming.*
_Libraries that facilitate functional programming._
- [cyclops-react](https://github.com/aol/cyclops-react) - Monad and stream utilities, comprehensions, pattern matching, functional extensions for all JDK collections, future streams, trampolines and much more.
- [derive4j](https://github.com/derive4j/derive4j) - Java 8 annotation processor and framework for deriving algebraic data types constructors, pattern-matching and morphisms. (GPL-3.0-only)
@ -389,7 +389,7 @@ A curated list of awesome Java frameworks, libraries and software.
### Game Development
*Frameworks that support the development of games.*
_Frameworks that support the development of games._
- [FXGL](https://almasb.github.io/FXGL) - JavaFX Game Development Framework.
- [jMonkeyEngine](http://jmonkeyengine.org) - Game engine for modern 3D development.
@ -398,7 +398,7 @@ A curated list of awesome Java frameworks, libraries and software.
### Geospatial
*Libraries for working with geospatial data and algorithms.*
_Libraries for working with geospatial data and algorithms._
- [Apache SIS](https://sis.apache.org) - Library for developing geospatial applications.
- [Geo](https://github.com/davidmoten/geo) - GeoHash utilities in Java.
@ -412,7 +412,7 @@ A curated list of awesome Java frameworks, libraries and software.
### GUI
*Libraries to create modern graphical user interfaces.*
_Libraries to create modern graphical user interfaces._
- [JavaFX](https://wiki.openjdk.java.net/display/OpenJFX/Main) - The successor of Swing.
- [Scene Builder](https://gluonhq.com/open-source/scene-builder) - Visual layout tool for JavaFX applications.
@ -420,7 +420,7 @@ A curated list of awesome Java frameworks, libraries and software.
### High Performance
*Everything about high-performance computation, from collections to specific libraries.*
_Everything about high-performance computation, from collections to specific libraries._
- [Agrona](https://github.com/real-logic/Agrona) - Data structures and utility methods that are common in high-performance applications.
- [Disruptor](https://lmax-exchange.github.io/disruptor) - Inter-thread messaging library.
@ -432,7 +432,7 @@ A curated list of awesome Java frameworks, libraries and software.
### HTTP Clients
*Libraries that assist with creating HTTP requests and/or binding responses.*
_Libraries that assist with creating HTTP requests and/or binding responses._
- [Armeria](https://github.com/line/armeria) - Asynchronous RPC/REST client/server library built on top of Java 8, Netty, HTTP/2, Thrift and gRPC.
- [Async Http Client](https://github.com/AsyncHttpClient/async-http-client) - Asynchronous HTTP and WebSocket client library.
@ -447,14 +447,14 @@ A curated list of awesome Java frameworks, libraries and software.
### Hypermedia Types
*Libraries that handle serialization to hypermedia types.*
_Libraries that handle serialization to hypermedia types._
- [JSON-LD](https://github.com/jsonld-java/jsonld-java) - JSON-LD implementation.
- [Siren4J](https://github.com/eserating/siren4j) - Library for the Siren specification.
### IDE
*Integrated development environments that try to simplify several aspects of development.*
_Integrated development environments that try to simplify several aspects of development._
- [Eclipse](https://www.eclipse.org) - Established open-source project with support for lots of plugins and languages.
- [IntelliJ IDEA ![c]](https://www.jetbrains.com/idea) - Supports many JVM languages and provides good options for Android development. The commercial edition targets the enterprise sector.
@ -464,7 +464,7 @@ A curated list of awesome Java frameworks, libraries and software.
### Imagery
*Libraries that assist with the creation, evaluation or manipulation of graphical images.*
_Libraries that assist with the creation, evaluation or manipulation of graphical images._
- [Imgscalr](https://github.com/thebuzzmedia/imgscalr) - Simple, efficient and hardware-accelerated image-scaling library implemented in pure Java 2D.
- [Tess4J](https://github.com/nguyenq/tess4j) - A JNA wrapper for Tesseract OCR API.
@ -475,7 +475,7 @@ A curated list of awesome Java frameworks, libraries and software.
### Introspection
*Libraries that help make the Java introspection and reflection API easier and faster to use.*
_Libraries that help make the Java introspection and reflection API easier and faster to use._
- [ClassGraph](https://github.com/classgraph/classgraph) - ClassGraph (formerly FastClasspathScanner) is an uber-fast, ultra-lightweight, parallelized classpath scanner and module scanner for Java, Scala, Kotlin and other JVM languages.
- [jOOR](https://github.com/jOOQ/jOOR) - jOOR stands for jOOR Object Oriented Reflection. It is a simple wrapper for the java.lang.reflect package.
@ -486,7 +486,7 @@ A curated list of awesome Java frameworks, libraries and software.
### JSON
*Libraries for serializing and deserializing JSON to and from Java objects.*
_Libraries for serializing and deserializing JSON to and from Java objects._
- [DSL-JSON](https://github.com/ngs-doo/dsl-json) - JSON library with advanced compile time databinding.
- [Genson](https://owlike.github.io/genson) - Powerful and easy-to-use Java-to-JSON conversion library.
@ -503,7 +503,7 @@ A curated list of awesome Java frameworks, libraries and software.
### JSON Processing
*Libraries for processing data in JSON format.*
_Libraries for processing data in JSON format._
- [fastjson](https://github.com/alibaba/fastjson) - Very fast processor with no additional dependencies and full data binding.
- [Jolt](https://github.com/bazaarvoice/jolt) - JSON to JSON transformation tool.
@ -512,7 +512,7 @@ A curated list of awesome Java frameworks, libraries and software.
### JVM and JDK
*Current implementations of the JVM/JDK.*
_Current implementations of the JVM/JDK._
- [Adopt Open JDK](https://adoptopenjdk.net) - Community-driven OpenJDK builds, including both HotSpot and OpenJ9.
- [Avian](https://github.com/ReadyTalk/avian) - JVM with JIT, AOT modes and iOS port.
@ -528,7 +528,7 @@ A curated list of awesome Java frameworks, libraries and software.
### Logging
*Libraries that log the behavior of an application.*
_Libraries that log the behavior of an application._
- [Apache Log4j 2](https://logging.apache.org/log4j) - Complete rewrite with a powerful plugin and configuration architecture.
- [Graylog](https://www.graylog.org) - Open-source aggregator suited for extended role and permission management. (GPL-3.0-only)
@ -543,7 +543,7 @@ A curated list of awesome Java frameworks, libraries and software.
### Machine Learning
*Tools that provide specific statistical algorithms for learning from data.*
_Tools that provide specific statistical algorithms for learning from data._
- [Apache Flink](https://flink.apache.org) - Fast, reliable, large-scale data processing engine.
- [Apache Mahout](https://mahout.apache.org) - Scalable algorithms focused on collaborative filtering, clustering and classification.
@ -559,7 +559,7 @@ A curated list of awesome Java frameworks, libraries and software.
### Messaging
*Tools that help send messages between clients to ensure protocol independency.*
_Tools that help send messages between clients to ensure protocol independency._
- [Aeron](https://github.com/real-logic/Aeron) - Efficient, reliable, unicast and multicast message transport.
- [Apache ActiveMQ](https://activemq.apache.org) - Message broker that implements JMS and converts synchronous to asynchronous communication.
@ -578,7 +578,7 @@ A curated list of awesome Java frameworks, libraries and software.
### Miscellaneous
*Everything else.*
_Everything else._
- [Codename One](https://www.codenameone.com) - Cross-platform solution for writing native mobile apps. (GPL-2.0-only WITH Classpath-exception-2.0)
- [CQEngine](https://github.com/npgall/cqengine) - Ultra-fast, SQL-like queries on Java collections.
@ -612,7 +612,7 @@ A curated list of awesome Java frameworks, libraries and software.
### Microservice
*Tools for creating and managing microservices.*
_Tools for creating and managing microservices._
- [Apollo](https://spotify.github.io/apollo) - Libraries for writing composable microservices.
- [consul-api](https://github.com/Ecwid/consul-api) - Client for the [Consul](https://www.consul.io) API: a distributed, highly available and datacenter-aware registry/discovery service.
@ -623,7 +623,7 @@ A curated list of awesome Java frameworks, libraries and software.
### Monitoring
*Tools that monitor applications in production.*
_Tools that monitor applications in production._
- [AppDynamics ![c]](https://www.appdynamics.com) - Performance monitor.
- [Automon](https://github.com/stevensouza/automon) - Combines the power of AOP with monitoring and/or logging tools.
@ -651,7 +651,8 @@ A curated list of awesome Java frameworks, libraries and software.
- [zipkin](https://zipkin.io) - Distributed tracing system which gathers timing data needed to troubleshoot latency problems in microservice architectures.
### Native
*For working with platform-specific native libraries.*
_For working with platform-specific native libraries._
- [JavaCPP](https://github.com/bytedeco/javacpp) - Provides efficient and easy access to native C++.
- [JNA](https://github.com/java-native-access/jna) - Work with native libraries without writing JNI. Also provides interfaces to common system libraries.
@ -659,7 +660,7 @@ A curated list of awesome Java frameworks, libraries and software.
### Natural Language Processing
*Libraries that specialize in processing text.*
_Libraries that specialize in processing text._
- [Beagle](https://github.com/tokenmill/beagle) - Stored full-text search query engine.
- [CogCompNLP](https://github.com/CogComp/cogcomp-nlp) - Provides common annotators for plain text input. (Research and Academic Use License)
@ -670,7 +671,7 @@ A curated list of awesome Java frameworks, libraries and software.
### Networking
*Libraries for building network servers.*
_Libraries for building network servers._
- [AkkaGRPC](https://github.com/akka/akka-grpc) - Support for building streaming gRPC servers and clients on top of Akka Streams.
- [Comsat](https://github.com/puniverse/comsat) - Integrates standard Java web-related APIs with Quasar fibers and actors.
@ -690,7 +691,7 @@ A curated list of awesome Java frameworks, libraries and software.
### ORM
*APIs that handle the persistence of objects.*
_APIs that handle the persistence of objects._
- [Apache Cayenne](https://cayenne.apache.org) - Provides a clean, static API for data access. Also includes a GUI Modeler for working with database mappings, and DB reverse engineering and generation.
- [Doma 2](https://doma.readthedocs.io) - Database access framework that verifies and generates source code at compile time using annotation processing as well as native SQL templates called two-way SQL.
@ -702,7 +703,7 @@ A curated list of awesome Java frameworks, libraries and software.
### PaaS
*Java platform as a service.*
_Java platform as a service._
- [AWS Elastic Beanstalk ![c]](https://aws.amazon.com/elasticbeanstalk) - AWS-based, with support for Tomcat and Jetty.
- [AWS Lambda ![c]](https://aws.amazon.com/lambda) - Serverless computation.
@ -713,7 +714,7 @@ A curated list of awesome Java frameworks, libraries and software.
### PDF
*Tools to help with PDF file creation.*
_Tools to help with PDF file creation._
- [Apache FOP](https://xmlgraphics.apache.org/fop) - Creates PDFs from XSL-FO.
- [Apache PDFBox](https://pdfbox.apache.org) - Toolbox for creating and manipulating PDFs.
@ -723,10 +724,11 @@ A curated list of awesome Java frameworks, libraries and software.
- [iText ![c]](https://itextpdf.com) - Creates PDF files programmatically.
- [JasperReports](https://community.jaspersoft.com/project/jasperreports-library) - Complex reporting engine. (LGPL-3.0-only)
- [Open HTML to PDF](https://github.com/danfickle/openhtmltopdf) - Properly supports modern PDF standards based on flyingsaucer and Apache PDFBox.
- [OpenPDF](https://github.com/LibrePDF/OpenPDF) - Open-source iText fork. (LGPL-3.0-only & MPL-2.0)
### Performance analysis
*Tools for performance analysis, profiling and benchmarking.*
_Tools for performance analysis, profiling and benchmarking._
- [fastThread ![c]](http://fastthread.io) - Analyze and visualize thread dumps with a free cloud-based upload interface.
- [GCeasy ![c]](http://gceasy.io) - Tool to analyze and visualize GC logs. It provides a free cloud-based upload interface.
@ -741,7 +743,7 @@ A curated list of awesome Java frameworks, libraries and software.
### Platform
*Frameworks that are suites of multiple libraries encompassing several categories.*
_Frameworks that are suites of multiple libraries encompassing several categories._
#### Apache Commons
@ -809,7 +811,7 @@ A curated list of awesome Java frameworks, libraries and software.
### Processes
*Libraries that help the management of operating system processes.*
_Libraries that help the management of operating system processes._
- [ch.vorburger.exec](https://github.com/vorburger/ch.vorburger.exec) - Convenient API around Apache Commons Exec.
- [zt-exec](https://github.com/zeroturnaround/zt-exec) - Provides a unified API to Apache Commons Exec and ProcessBuilder.
@ -817,7 +819,7 @@ A curated list of awesome Java frameworks, libraries and software.
### Reactive libraries
*Libraries for developing reactive applications.*
_Libraries for developing reactive applications._
- [Akka](https://akka.io) - Toolkit and runtime for building concurrent, distributed, fault-tolerant and event-driven applications.
- [Reactive Streams](https://github.com/reactive-streams/reactive-streams-jvm) - Provides a standard for asynchronous stream processing with non-blocking backpressure.
@ -827,7 +829,7 @@ A curated list of awesome Java frameworks, libraries and software.
### REST Frameworks
*Frameworks specifically for creating RESTful services.*
_Frameworks specifically for creating RESTful services._
- [Dropwizard](https://dropwizard.github.io/dropwizard) - Opinionated framework for setting up modern web applications with Jetty, Jackson, Jersey and Metrics.
- [Elide](http://elide.io) - Opinionated framework for JSON- or GraphQL-APIs based on a JPA data model.
@ -845,7 +847,7 @@ A curated list of awesome Java frameworks, libraries and software.
### Science
*Libraries for scientific computing, analysis and visualization.*
_Libraries for scientific computing, analysis and visualization._
- [DataMelt](http://jwork.org/dmelt) - Environment for scientific computation, data analysis and data visualization. (GPL-3.0-or-later)
- [Erdos](https://github.com/Erdos-Graph-Framework/Erdos) - Modular, light and easy graph framework for theoretic algorithms.
@ -861,7 +863,7 @@ A curated list of awesome Java frameworks, libraries and software.
### Search
*Engines that index documents for search and analysis.*
_Engines that index documents for search and analysis._
- [Apache Lucene](https://lucene.apache.org) - High-performance, full-featured, cross-platform, text search engine library.
- [Apache Solr](https://lucene.apache.org/solr) - Enterprise search engine optimized for high-volume traffic.
@ -870,7 +872,7 @@ A curated list of awesome Java frameworks, libraries and software.
### Security
*Libraries that handle security, authentication, authorization or session management.*
_Libraries that handle security, authentication, authorization or session management._
- [Apache Shiro](https://shiro.apache.org) - Performs authentication, authorization, cryptography and session management.
- [Bouncy Castle](https://www.bouncycastle.org/java.html) - All-purpose cryptographic library and JCA provider offering a wide range of functions, from basic helpers to PGP/SMIME operations.
@ -891,7 +893,7 @@ A curated list of awesome Java frameworks, libraries and software.
### Serialization
*Libraries that handle serialization with high efficiency.*
_Libraries that handle serialization with high efficiency._
- [FlatBuffers](https://github.com/google/flatbuffers) - Memory-efficient serialization library that can access serialized data without unpacking and parsing it.
- [FST](https://github.com/RuedigerMoeller/fast-serialization) - JDK-compatible, high-performance object graph serialization.
@ -901,7 +903,7 @@ A curated list of awesome Java frameworks, libraries and software.
### Server
*Servers specifically used to deploy applications.*
_Servers specifically used to deploy applications._
- [Apache Tomcat](https://tomcat.apache.org) - Robust, all-round server for Servlet and JSP.
- [Apache TomEE](https://tomee.apache.org) - Tomcat plus Java EE.
@ -912,7 +914,7 @@ A curated list of awesome Java frameworks, libraries and software.
### Template Engine
*Tools that substitute expressions in a template.*
_Tools that substitute expressions in a template._
- [Handlebars.java](https://jknack.github.io/handlebars.java) - Logicless and semantic Mustache templates.
- [Jade4J](https://github.com/neuland/jade4j) - Implementation of Pug (formerly known as Jade).
@ -923,11 +925,11 @@ A curated list of awesome Java frameworks, libraries and software.
### Testing
*Tools that test from model to the view.*
_Tools that test from model to the view._
#### Asynchronous
*Tools that simplify testing asynchronous services.*
_Tools that simplify testing asynchronous services._
- [Awaitility](https://github.com/jayway/awaitility) - DSL for synchronizing asynchronous operations.
- [ConcurrentUnit](https://github.com/jhalterman/concurrentunit) - Toolkit for testing multi-threaded and asynchronous applications.
@ -937,7 +939,7 @@ A curated list of awesome Java frameworks, libraries and software.
#### BDD
*Testing for the software development process that emerged from TDD and was heavily influenced by DDD and OOAD.*
_Testing for the software development process that emerged from TDD and was heavily influenced by DDD and OOAD._
- [Cucumber](https://github.com/cucumber/cucumber-jvm) - Provides a way to describe features in a plain language which customers can understand.
- [Cukes-REST](https://github.com/ctco/cukes-rest) - A collection of Gherkin steps for REST-service testing using Cucumber.
@ -949,7 +951,7 @@ A curated list of awesome Java frameworks, libraries and software.
#### Fixtures
*Everything related to the creation and handling of random data.*
_Everything related to the creation and handling of random data._
- [Beanmother](https://github.com/keepcosmos/beanmother) - Sets up beans from YAML fixtures.
- [Fixture Factory](https://github.com/six2six/fixture-factory) - Generates fake objects from a template.
@ -959,7 +961,7 @@ A curated list of awesome Java frameworks, libraries and software.
#### Frameworks
*Provide environments to run tests for a specific use case.*
_Provide environments to run tests for a specific use case._
- [ArchUnit](https://github.com/TNG/ArchUnit) - Test library for specifying and asserting architecture rules.
- [Apache JMeter](http://jmeter.apache.org) - Functional testing and performance measurements.
@ -972,7 +974,7 @@ A curated list of awesome Java frameworks, libraries and software.
#### Matchers
*Libraries that provide custom matchers.*
_Libraries that provide custom matchers._
- [AssertJ](https://joel-costigliola.github.io/assertj) - Fluent assertions that improve readability.
- [JSONAssert](http://jsonassert.skyscreamer.org) - Simplifies testing JSON strings.
@ -981,7 +983,7 @@ A curated list of awesome Java frameworks, libraries and software.
#### Miscellaneous
*Other stuff related to testing.*
_Other stuff related to testing._
- [junit-dataprovider](https://github.com/TNG/junit-dataprovider) - A TestNG-like data provider/runner for JUnit.
- [Mutability Detector](https://github.com/MutabilityDetector/MutabilityDetector) - Reports whether instances of a given class are immutable.
@ -991,7 +993,7 @@ A curated list of awesome Java frameworks, libraries and software.
#### Mocking
*Tools which mock collaborators to help testing single, isolated units.*
_Tools which mock collaborators to help testing single, isolated units._
- [JMockit](http://jmockit.github.io) - Integration testing, API mocking and faking, and code coverage.
- [Mockito](https://github.com/mockito/mockito) - Mocking framework that lets you write tests with a clean and simple API.
@ -1002,7 +1004,7 @@ A curated list of awesome Java frameworks, libraries and software.
### Utility
*Libraries which provide general utility functions.*
_Libraries which provide general utility functions._
- [bucket4j](https://github.com/vladimir-bukhtoyarov/bucket4j) - Rate limiting library based on token-bucket algorithm.
- [cactoos](http://www.cactoos.org) - Collection of object-oriented primitives.
@ -1021,7 +1023,7 @@ A curated list of awesome Java frameworks, libraries and software.
### Version Managers
*Utilities that help create the development shell environment and switch between different Java versions.*
_Utilities that help create the development shell environment and switch between different Java versions._
- [jabba](https://github.com/shyiko/jabba) - Java Version Manager inspired by nvm. Supports Mac OS X, Linux and Windows.
- [jenv](https://github.com/gcuisinier/jenv) - Java Version Manager inspired by rbenv. Can configure globally or per project. Tested on Debian and Mac OS X.
@ -1029,7 +1031,7 @@ A curated list of awesome Java frameworks, libraries and software.
### Web Crawling
*Libraries that analyze the content of websites.*
_Libraries that analyze the content of websites._
- [Apache Nutch](https://nutch.apache.org) - Highly extensible, highly scalable web crawler for production environments.
- [Crawler4j](https://github.com/yasserg/crawler4j) - Simple and lightweight web crawler.
@ -1039,7 +1041,7 @@ A curated list of awesome Java frameworks, libraries and software.
### Web Frameworks
*Frameworks that handle the communication between the layers of a web application.*
_Frameworks that handle the communication between the layers of a web application._
- [Apache Tapestry](https://tapestry.apache.org) - Component-oriented framework for creating dynamic, robust, highly scalable web applications.
- [Apache Wicket](https://wicket.apache.org) - Component-based web application framework similar to Tapestry, with a stateful GUI.
@ -1060,7 +1062,7 @@ A curated list of awesome Java frameworks, libraries and software.
### Awesome Lists
*Awesome lists related to the Java & JVM ecosystem.*
_Awesome lists related to the Java & JVM ecosystem._
- [Awesome Annotation Processing](https://github.com/gunnarmorling/awesome-annotation-processing)
- [Awesome Gradle Plugins](https://github.com/ksoichiro/awesome-gradle)
@ -1076,7 +1078,7 @@ A curated list of awesome Java frameworks, libraries and software.
### Communities
*Active discussions.*
_Active discussions._
- [r/java](https://www.reddit.com/r/java) - Subreddit for the Java community.
- [stackoverflow](https://stackoverflow.com/questions/tagged/java) - Question/answer platform.
@ -1084,13 +1086,13 @@ A curated list of awesome Java frameworks, libraries and software.
### Frontends
*Websites that provide a frontend for this list. Please note, there won't be an official website. We don't associate with a particular website and everybody is allowed to create one.*
_Websites that provide a frontend for this list. Please note, there won't be an official website. We don't associate with a particular website and everybody is allowed to create one._
- [java.libhunt.com](https://java.libhunt.com)
### Influential Books
*Books that made a big impact and are still worth reading.*
_Books that made a big impact and are still worth reading._
- [Core Java Volume I--Fundamentals](https://www.amazon.com/Core-Java-I-Fundamentals-10th/dp/0134177304)
- [Core Java, Volume II--Advanced Features](https://www.amazon.com/Core-Java-II-Advanced-Features-10th/dp/0134177290)
@ -1100,7 +1102,7 @@ A curated list of awesome Java frameworks, libraries and software.
### Podcasts and Screencasts
*Something to look at or listen to while programming.*
_Something to look at or listen to while programming._
- [Java Off Heap](http://www.javaoffheap.com)
- [Marco Behler's Screencasts](https://www.marcobehler.com/series) - Screencasts about modern Java development.
@ -1109,7 +1111,7 @@ A curated list of awesome Java frameworks, libraries and software.
### Twitter
*Active accounts to follow. Descriptions from Twitter.*
_Active accounts to follow. Descriptions from Twitter._
- [Adam Bien](https://twitter.com/AdamBien) - Freelance author, JavaOne Rockstar speaker, consultant, Java Champion.
- [Aleksey Shipilëv](https://twitter.com/shipilev) - Performance geek, benchmarking czar, concurrency bug hunter.
@ -1117,7 +1119,7 @@ A curated list of awesome Java frameworks, libraries and software.
- [Arun Gupta](https://twitter.com/arungupta) - Java Champion, JavaOne Rockstar, JUG Leader, Devoxx4Kids-er, VP of Developer Advocacy at Couchbase.
- [Brian Goetz](https://twitter.com/BrianGoetz) - Java Language Architect at Oracle.
- [Bruno Borges](https://twitter.com/brunoborges) - Product Manager/Java Jock at Oracle.
- [Chris Richardson](https://twitter.com/crichardson) - Software architect, consultant, and serial entrepreneur, Java Champion, JavaOne Rock Star, *POJOs in Action- author.
- [Chris Richardson](https://twitter.com/crichardson) - Software architect, consultant, and serial entrepreneur, Java Champion, JavaOne Rock Star, \*POJOs in Action- author.
- [Ed Burns](https://twitter.com/edburns) - Consulting Member of the Technical Staff at Oracle.
- [Eugen Paraschiv](https://twitter.com/baeldung) - Author of the Spring Security Course.
- [Heinz Kabutz](https://twitter.com/heinzkabutz) - Java Champion, speaker, author of The Java Specialists' Newsletter, concurrency performance expert.
@ -1150,7 +1152,7 @@ A curated list of awesome Java frameworks, libraries and software.
### Websites
*Sites to read.*
_Sites to read._
- [Baeldung](https://www.baeldung.com)
- [Dzone](https://dzone.com)