Cleanup non-Java libraries (#858)

README.md

@@ -149,7 +149,6 @@ _Libraries for everything related to the CLI._
 _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.
 - [Singularity](http://getsingularity.com) - Mesos framework that makes deployment and operations easy. It supports web services, background workers, scheduled jobs, and one-off tasks.
 
 ### Code Analysis
@@ -259,7 +258,6 @@ _Everything that simplifies interactions with the database._
 - [Flyway](https://flywaydb.org) - Simple database migration tool.
 - [H2](https://h2database.com) - Small SQL database notable for its in-memory functionality.
 - [HikariCP](https://github.com/brettwooldridge/HikariCP) - High-performance JDBC connection pool.
-- [jasync-sql](https://github.com/jasync-sql/jasync-sql) - Async DB driver for MySQL and PostgreSQL.
 - [JDBI](http://jdbi.org) - Convenient abstraction of JDBC.
 - [Jedis](https://github.com/xetorthio/jedis) - Small client for interaction with Redis, with methods for commands.
 - [Jest](https://github.com/searchbox-io/Jest) - Client for the Elasticsearch REST API.
@@ -331,7 +329,6 @@ _Libraries and frameworks for writing distributed and fault-tolerant application
 - [Failsafe](https://github.com/jhalterman/failsafe) - Simple failure handling with retries and circuit breakers.
 - [Hazelcast](https://github.com/hazelcast/hazelcast) - Highly scalable in-memory datagrid with a free open-source version.
 - [JGroups](http://www.jgroups.org) - Toolkit for reliable messaging and cluster creation.
-- [Orbit](http://www.orbit.cloud) - Virtual actors; adds another level of abstraction to traditional actors.
 - [Quasar](http://docs.paralleluniverse.co/quasar/) - Lightweight threads and actors for the JVM.
 - [resilience4j](https://github.com/resilience4j/resilience4j) - Functional fault tolerance library.
 - [ScaleCube Services](https://github.com/scalecube/scalecube-services) - Embeddable Cluster-Membership library based on SWIM and gossip protocol.
@@ -419,7 +416,6 @@ _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.
-- [Geotoolkit.org](http://www.geotoolkit.org) - Library for developing geospatial applications. Built on top of the Apache SIS project. (LGPL-2.1-only)
 - [GeoTools](https://geotools.org) - Library that provides tools for geospatial data. (LGPL-2.1-only)
 - [GraphHopper](https://github.com/graphhopper/graphhopper) - Road-routing engine. Used as a Java library or standalone web service.
 - [H2GIS](http://www.h2gis.org) - Spatial extension of the H2 database. (LGPL-3.0-only)
@@ -451,11 +447,10 @@ _Everything about high-performance computation, from collections to specific lib
 
 _Libraries that assist with creating HTTP requests and/or binding responses._
 
+- [Apache HttpComponents](https://hc.apache.org/) - A toolset of low level Java components focused on HTTP and associated protocols.
 - [Async Http Client](https://github.com/AsyncHttpClient/async-http-client) - Asynchronous HTTP and WebSocket client library.
 - [Feign](https://github.com/OpenFeign/feign) - HTTP client binder inspired by Retrofit, JAXRS-2.0, and WebSocket.
 - [methanol](https://github.com/mizosoft/methanol) - HTTP client extensions library.
-- [OkHttp](https://square.github.io/okhttp/) - HTTP and SPDY client.
-- [Play WS](https://github.com/playframework/play-ws) - Typesafe client with reactive streams and caching.
 - [restQL-java](https://github.com/b2wdigital/restQL-java) - Microservice query language that fetches information from multiple services.
 - [Retrofit](https://square.github.io/retrofit/) - Typesafe REST client.
 - [Ribbon](https://github.com/Netflix/ribbon) - Client-side IPC library that is battle-tested in cloud.
@@ -573,16 +568,13 @@ _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.
-- [Apache Spark](https://spark.apache.org) - Data analytics cluster-computing framework.
 - [DatumBox](http://www.datumbox.com) - Provides several algorithms and pre-trained models for natural language processing.
-- [DeepDive](http://deepdive.stanford.edu) - Creates structured information from unstructured data and integrates it into an existing database.
 - [Deeplearning4j](https://deeplearning4j.org) - Distributed and multi-threaded deep learning library.
-- [H2O](https://www.h2o.ai) - Analytics engine for statistics over big data.
+- [H2O ![c]](https://www.h2o.ai) - Analytics engine for statistics over big data.
 - [JSAT](https://github.com/EdwardRaff/JSAT) - Algorithms for pre-processing, classification, regression, and clustering with support for multi-threaded execution. (GPL-3.0-only)
 - [Oryx 2](https://github.com/OryxProject/oryx) - Framework for building real-time, large-scale machine learning applications. Includes end-to-end applications for collaborative filtering, classification, regression, and clustering.
 - [Siddhi](https://github.com/siddhi-io/siddhi) - Cloud native streaming and complex event processing engine.
 - [Smile](https://github.com/haifengl/smile) - Statistical Machine Intelligence and Learning Engine provides a set of machine learning algorithms and a visualization library.
-- [Synapses](https://mrdimosthenis.github.io/Synapses/#synapses) - Lightweight library for neural networks.
 - [Weka](https://www.cs.waikato.ac.nz/ml/weka/) - Collection of algorithms for data mining tasks ranging from pre-processing to visualization. (GPL-3.0-only)
 
 ### Messaging
@@ -613,7 +605,6 @@ _Tools for creating and managing microservices._
 - [consul-api](https://github.com/Ecwid/consul-api) - Client for the Consul API: a distributed, highly available and datacenter-aware registry/discovery service.
 - [Eureka](https://github.com/Netflix/eureka) - REST-based service registry for resilient load balancing and failover.
 - [Helidon](https://helidon.io) - Two-style approach for writing microservices: Functional-reactive and as an implementation of MicroProfile.
-- [Lagom](https://www.lagomframework.com) - Framework for creating microservice-based systems.
 - [Micronaut](https://micronaut.io) - Modern full-stack framework with focus on modularity, minimal memory footprint and startup time.
 - [Nacos](https://nacos.io) - Dynamic service discovery, configuration and service management platform for building cloud native applications.
 - [Quarkus](https://quarkus.io) - Kubernetes stack tailored for the HotSpot and Graal VM.
@@ -664,7 +655,6 @@ _Tools for creating or managing mobile applications._
 _Tools that monitor applications in production._
 
 - [Automon](https://github.com/stevensouza/automon) - Combines the power of AOP with monitoring and/or logging tools.
-- [LeakCanary](https://github.com/square/leakcanary) - Memory leak detection.
 - [Failsafe Actuator](https://github.com/zalando/failsafe-actuator) - Out of the box monitoring of Failsafe Circuit Breaker in Spring-Boot environment.
 - [Glowroot](https://glowroot.org) - Open-source Java APM.
 - [inspectIT](https://www.inspectit.rocks) - Captures detailed run-time information via hooks that can be changed on the fly. It supports tracing over multiple systems via the OpenTracing API and can correlate the data with end user monitoring.
@@ -673,13 +663,12 @@ _Tools that monitor applications in production._
 - [Jaeger client](https://github.com/jaegertracing/jaeger-client-java) - Jaeger client.
 - [jmxtrans](https://github.com/jmxtrans/jmxtrans) - Connect to multiple JVMs and query them for their attributes via JMX. Its query language is based on JSON, which allows non-Java programmers to access the JVM attributes. Supports different output writes, including Graphite, Ganglia, and StatsD.
 - [Jolokia](https://jolokia.org) - JMX over REST.
-- [Kamon ![c]](https://kamon.io) - Tool for monitoring applications running on the JVM.
 - [Metrics](https://github.com/dropwizard/metrics) - Expose metrics via JMX or HTTP and send them to a database.
-- [Datadog ![c]](https://www.datadoghq.com) - Modern monitoring & analytics.
+- [Datadog ![c]](https://github.com/DataDog/dd-trace-java) - Modern monitoring & analytics.
 - [nudge4j](https://github.com/lorenzoongithub/nudge4j) - Remote developer console from the browser for Java 8 via bytecode injection.
 - [Pinpoint](https://github.com/naver/pinpoint) - Open-source APM tool.
-- [Prometheus](https://prometheus.io) - Provides a multi-dimensional data model, DSL, autonomous server nodes and much more.
-- [SPM ![c]](https://sematext.com/spm/) - Performance monitor with distributing transaction tracing for JVM apps.
+- [Prometheus](https://github.com/prometheus/client_java) - Provides a multi-dimensional data model, DSL, autonomous server nodes and much more.
+- [SPM ![c]](https://github.com/sematext/sematext-agent-java) - Performance monitor with distributing transaction tracing for JVM apps.
 - [Stagemonitor](https://github.com/stagemonitor/stagemonitor) - Open-source performance monitoring and transaction tracing for JVM apps.
 - [Sysmon](https://github.com/palantir/Sysmon) - Lightweight platform monitoring tool for Java VMs.
 - [zipkin](https://zipkin.io) - Distributed tracing system which gathers timing data needed to troubleshoot latency problems in microservice architectures.
@@ -696,21 +685,17 @@ _For working with platform-specific native libraries._
 
 _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)
 - [CoreNLP](https://nlp.stanford.edu/software/corenlp.shtml) - Provides a set of fundamental tools for tasks like tagging, named entity recognition, and sentiment analysis. (GPL-3.0-or-later)
 - [DKPro](https://dkpro.github.io) - Collection of reusable NLP tools for linguistic pre-processing, machine learning, lexical resources, etc.
-- [Lingua](https://github.com/pemistahl/lingua) - Natural language detection library, especially suited for short paragraphs of text.
 - [LingPipe](http://alias-i.com/lingpipe/) - Toolkit for tasks ranging from POS tagging to sentiment analysis.
 
 ### Networking
 
 _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.
 - [Dubbo](https://github.com/apache/dubbo) - High-performance RPC framework.
-- [Finagle](https://github.com/twitter/finagle) - Extensible RPC system for constructing high-concurrency servers. It implements uniform client and server APIs for several protocols, and is protocol-agnostic to simplify implementation of new protocols.
 - [Grizzly](https://javaee.github.io/grizzly/) - NIO framework. Used as a network layer in Glassfish.
 - [gRPC](https://github.com/grpc/grpc-java) - RPC framework based on protobuf and HTTP/2.
 - [KryoNet](https://github.com/EsotericSoftware/kryonet) - Provides a clean and simple API for efficient TCP and UDP client/server network communication using NIO and Kryo.
@@ -866,7 +851,6 @@ _Frameworks specifically for creating RESTful services._
 
 - [Dropwizard](https://github.com/dropwizard/dropwizard) - Opinionated framework for setting up modern web applications with Jetty, Jackson, Jersey and Metrics.
 - [Elide](https://elide.io) - Opinionated framework for JSON- or GraphQL-APIs based on a JPA data model.
-- [javalin](https://javalin.io) - Javalin is just a few thousand lines of code on top of Jetty, which means its performance is almost equivalent to pure Jetty.
 - [Jersey](https://jersey.github.io) - JAX-RS reference implementation.
 - [Microserver](https://github.com/aol/micro-server) - Convenient, extensible microservices plugin system for Spring & Spring Boot. With more than 30 plugins and growing, it supports both micro-monolith and pure microservices styles.
 - [Rapidoid](https://www.rapidoid.org) - Simple, secure and extremely fast framework consisting of an embedded HTTP server, GUI components and dependency injection.
@@ -923,7 +907,6 @@ _Libraries that handle security, authentication, authorization or session manage
 - [SecurityBuilder](https://github.com/tersesystems/securitybuilder) - Fluent Builder API for JCA and JSSE classes and especially X.509 certificates.
 - [Themis](https://github.com/cossacklabs/themis) - Multi-platform high-level cryptographic library provides easy-to-use encryption for protecting sensitive data: secure messaging with forward secrecy, secure data storage (AES256GCM); suits for building end-to-end encrypted applications.
 - [Tink](https://github.com/google/tink) - Provides a simple and misuse-proof API for common cryptographic tasks.
-- [Vault](https://www.vaultproject.io) - Secures, stores, and tightly controls access to tokens, passwords, certificates, API keys, and other secrets. It handles leasing, key revocation, key rolling, and auditing. Through a unified API, users can access an encrypted Key/Value store and network encryption-as-a-service, or generate AWS IAM/STS credentials, SQL/NoSQL databases, X.509 certificates, SSH credentials, and more.
 
 ### Serialization
 
@@ -952,7 +935,7 @@ _Tools that substitute expressions in a template._
 - [Freemarker](https://freemarker.apache.org) - Library to generate text output (HTML web pages, e-mails, configuration files, source code, etc.) based on templates and changing data.
 - [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).
-- [Jtwig](http://jtwig.org) - Modular, configurable and fully tested template engine.
+- [Jtwig](https://github.com/jtwig/jtwig) - Modular, configurable and fully tested template engine.
 - [Pebble](https://pebbletemplates.io) - Inspired by Twig and separates itself with its inheritance feature and its easy-to-read syntax. It ships with built-in autoescaping for security and it includes integrated support for internationalization.
 - [Rocker](https://github.com/fizzed/rocker) - Optimized, memory efficient and speedy template engine producing statically typed, plain objects.
 - [Thymeleaf](https://www.thymeleaf.org) - Aims to be a substitute for JSP and works for XML files.
@@ -1087,7 +1070,6 @@ _Frameworks that handle the communication between the layers of a web applicatio
 - [Blade](https://github.com/lets-blade/blade) - Lightweight, modular framework that aims to be elegant and simple.
 - [Bootique](https://bootique.io) - Minimally opinionated framework for runnable apps.
 - [Firefly](http://www.fireflysource.com) - Asynchronous framework for rapid development of high-performance web application.
-- [Grails](https://grails.org) - Groovy framework that provides a highly productive environment by favoring convention over configuration, no XML and support for mixins.
 - [Jooby](http://www.jooby.org) - Scalable, fast and modular micro-framework that offers multiple programming models.
 - [Ninja](http://www.ninjaframework.org) - Full-stack web framework.
 - [Pippo](http://www.pippo.ro) - Small, highly modularized, Sinatra-like framework.