The Most Active Java libraries
Page 2

  • Apache RocketMQ

    9.8 9.9 Messaging
    Apache RocketMQ is a cloud native messaging and streaming platform, making it simple to build event-driven applications.
  • Gephi

    8.6 9.9 Utility
    Gephi - The Open Graph Viz Platform
  • Apache Tomcat

    9.3 9.9 L1 Server
    Apache Tomcat
  • PMD

    8.4 9.9 L3 Code Analysis
    An extensible multilanguage static code analyzer.
  • Druid

    Apache Druid: a high performance real-time analytics database.
  • Apache Hadoop

    9.7 9.9 L1 Machine Learning
    Apache Hadoop
  • Hazelcast

    Open-source distributed computation and storage platform
  • kibana

    9.7 9.8 L3 Logging
    Your window into the Elastic Stack
  • OpenShift Enterprise

    9.3 9.8 PaaS
    Conformance test suite for OpenShift
  • Prometheus

    9.9 9.8 Monitoring
    The Prometheus monitoring system and time series database.
  • Apache POI

    7.1 9.8 L2 Document Processing
    Mirror of Apache POI
  • Apache Log4j 2

    8.2 9.8 L3 Logging
    Apache Log4j 2 is an upgrade to Log4j that provides significant improvements over its predecessor, Log4j 1.x, and provides many of the improvements available in Logback while fixing some inherent problems in Logback's architecture.
  • PrimeFaces

    7.2 9.8 Web Frameworks
    Ultimate Component Suite for JavaServer Faces
  • Aeron

    8.6 9.8 L4 Messaging
    Efficient reliable UDP unicast, UDP multicast, and IPC message transport
  • Checker Framework

    5.9 9.8 L1 Formal Verification
    Pluggable type-checking for Java
  • OpenL Tablets

    3.1 9.8 Microservice
    OpenL Tablets Business Rules Management System
  • Apache ActiveMQ Artemis

    6.9 9.8 Messaging
    Mirror of Apache ActiveMQ Artemis
  • MockServer

    8.2 9.8 L2 Testing
    MockServer enables easy mocking of any system you integrate with via HTTP or HTTPS with clients written in Java, JavaScript and Ruby. MockServer also includes a proxy that introspects all proxied traffic including encrypted SSL traffic and supports Port Forwarding, Web Proxying (i.e. HTTP proxy), HTTPS Tunneling Proxying (using HTTP CONNECT) and SOCKS Proxying (i.e. dynamic port forwarding).
  • Apache HBase

    Apache HBase
  • eXist

    4.9 9.8 L1 Database
    eXist Native XML Database and Application Platform
  • TestContainers

    8.7 9.8 L5 Testing
    Testcontainers is a Java library that supports JUnit tests, providing lightweight, throwaway instances of common databases, Selenium web browsers, or anything else that can run in a Docker container.
  • Apache TomEE

    6.2 9.8 L2 Server
    Apache TomEE
  • Jetty

    8.5 9.8 L1 Server
    Eclipse Jetty® - Web Container & Clients - supports HTTP/2, HTTP/1.1, HTTP/1.0, websocket, servlets, and more
  • pac4j

    7.5 9.8 L4 Security
    Security engine for Java (authentication, authorization, multi frameworks): OAuth, CAS, SAML, OpenID Connect, LDAP, JWT...
  • Bouncy Castle

    7.7 9.8 L2 Security
    Bouncy Castle Java Distribution (Mirror)
  • Tink

    9.2 9.8 Projects Security
    Tink is a multi-language, cross-platform, open source library that provides cryptographic APIs that are secure, easy to use correctly, and hard(er) to misuse.
  • Drools

    8.8 9.8 L1 Rules Engine
    Drools is a rule engine, DMN engine and complex event processing (CEP) engine for Java.
  • Redisson

    Redisson - Redis Java client with features of In-Memory Data Grid. Over 50 Redis based Java objects and services: Set, Multimap, SortedSet, Map, List, Queue, Deque, Semaphore, Lock, AtomicLong, Map Reduce, Publish / Subscribe, Bloom filter, Spring Cache, Tomcat, Scheduler, JCache API, Hibernate, MyBatis, RPC, local cache ...
  • Apache Hive

    9.1 9.7 L1 Database
    Apache Hive
  • Apache Cassandra

    Mirror of Apache Cassandra