☕ Awesome Java

Projects 181–240 of 758, most starred first

• discord-jda/JDA on GitHub, opens in a new tab

  4.7Kstars

  ★ 4.7k Apache-2.0 🟢Wrapping of the Discord REST API and its WebSocket events.

  Java·Apache License 2.0·active·3 days ago

• objectbox/objectbox-java on GitHub, opens in a new tab

  4.6Kstars

  ★ 4.6k Apache-2.0 🟢Embedded object and vector database for Java and Android.

  Java·Apache License 2.0·active·2 weeks ago

• Netflix/ribbon on GitHub, opens in a new tab

  4.6Kstars

  ★ 4.6k Apache-2.0 🟠Client-side IPC library that is battle-tested in the cloud.

  Java·Apache License 2.0·steady·8 months ago

• h2database/h2database on GitHub, opens in a new tab

  4.6Kstars

  ★ 4.6k 🟢Small SQL database notable for its in-memory functionality.

  Java·Other·active·last month

• jacoco/jacoco on GitHub, opens in a new tab

  4.6Kstars

  ★ 4.6k 🟢Framework that enables collection of code coverage metrics, using both offline and runtime bytecode instrumentation.

  Java·Other·active·10 hours ago

• s4kibs4mi/java-developer-roadmap on GitHub, opens in a new tab

  4.5Kstars

  Java·MIT License·steady·5 months ago

• apache/fory on GitHub, opens in a new tab

  4.5Kstars

  ★ 4.5k Apache-2.0 🟢High-performance object graph serialization framework with JIT and zero-copy support.

  Java·Apache License 2.0·active·yesterday

• apache/shiro on GitHub, opens in a new tab

  4.4Kstars

  ★ 4.5k Apache-2.0 🟢Performs authentication, authorization, cryptography and session management.

  Java·Apache License 2.0·active·22 hours ago

• dreamhead/moco on GitHub, opens in a new tab

  4.4Kstars

  ★ 4.4k MIT 🟠Concise web services for stubs and mocks.

  Java·MIT License·steady·3 months ago

• square/wire on GitHub, opens in a new tab

  4.4Kstars

  ★ 4.4k Apache-2.0 🟢Clean, lightweight protocol buffers.

  Kotlin·Apache License 2.0·active·4 hours ago

• alibaba/fastjson2 on GitHub, opens in a new tab

  4.4Kstars

  ★ 4.4k Apache-2.0 🟢High-performance JSON parser, serializer and object mapper.

  Java·Apache License 2.0·active·14 hours ago

• facebook/buck2 on GitHub, opens in a new tab

  4.4Kstars

  ★ 4.4k Apache-2.0 🟢Encourages the creation of small, reusable modules consisting of code and resources.

  Rust·Apache License 2.0·active·10 hours ago

• eirslett/frontend-maven-plugin on GitHub, opens in a new tab

  4.4Kstars

  ★ 4.4k Apache-2.0 🟢Installs and runs Node.js frontend tooling from Maven builds.

  Java·Apache License 2.0·active·2 weeks ago

• JetBrains/fernflower on GitHub, opens in a new tab

  4.4Kstars

  ★ 4.4k Apache-2.0 🟢Java decompiler with broad JVM bytecode support.

  Java·Apache License 2.0·active·4 days ago

• LibrePDF/OpenPDF on GitHub, opens in a new tab

  4.4Kstars

  ★ 4.4k 🟢Open-source iText fork. (LGPL-3.0-only & MPL-2.0)

  Java·Other·active·2 weeks ago

• google/open-location-code on GitHub, opens in a new tab

  4.3Kstars

  ★ 4.3k Apache-2.0 🟠Encodes geographic coordinates as short, shareable Plus Codes.

  Java·Apache License 2.0·steady·5 months ago

• failsafe-lib/failsafe on GitHub, opens in a new tab

  4.3Kstars

  ★ 4.3k Apache-2.0 🟠Simple failure handling with retries and circuit breakers.

  Java·Apache License 2.0·steady·8 months ago

• jMonkeyEngine/jmonkeyengine on GitHub, opens in a new tab

  4.3Kstars

  ★ 4.3k BSD-3-Clause 🟢Game engine for modern 3D development.

  Java·BSD 3-Clause "New" or "Revised" License·active·13 hours ago

• JFormDesigner/FlatLaf on GitHub, opens in a new tab

  4.3Kstars

  ★ 4.3k Apache-2.0 🟢Modern Swing Look and Feel with Darcula and IntelliJ themes.

  Java·Apache License 2.0·active·2 weeks ago

• jboss-javassist/javassist on GitHub, opens in a new tab

  4.2Kstars

  ★ 4.2k 🟢Tries to simplify bytecode editing.

  Java·Other·active·2 months ago

• GradleUp/shadow on GitHub, opens in a new tab

  4.2Kstars

  ★ 4.2k Apache-2.0 🟢Gradle plugin for creating and transforming executable fat JARs.

  Kotlin·Apache License 2.0·active·3 hours ago

• lukas-krecan/ShedLock on GitHub, opens in a new tab

  4.2Kstars

  ★ 4.2k Apache-2.0 🟢Makes sure that your scheduled tasks are executed at most once at the same time. If a task is being executed on one node, it acquires a lock which prevents execution of the same task from another node or thread.

  Java·Apache License 2.0·active·21 hours ago

• tronprotocol/java-tron on GitHub, opens in a new tab

  4.1Kstars

  ★ 4.1k LGPL-3.0 🟢Implementation of the Tron Protocol, whic utilizes blockchains to develop decentralized applications.

  Java·GNU Lesser General Public License v3.0·active·2 weeks ago

• DependencyTrack/dependency-track on GitHub, opens in a new tab

  4.1Kstars

  ★ 4.1k Apache-2.0 🟢Software composition analysis platform for identifying supply-chain risk.

  Java·Apache License 2.0·active·3 hours ago

• jetty/jetty.project on GitHub, opens in a new tab

  4.1Kstars

  ★ 4.1k 🟢Provides a Web server and javax.servlet container, plus support for HTTP/2, WebSocket, OSGi, JMX, JNDI, JAAS and many other integrations.

  Java·Other·active·15 hours ago

• uber/NullAway on GitHub, opens in a new tab

  4.1Kstars

  ★ 4.1k MIT 🟢Eliminates NullPointerExceptions with low build-time overhead.

  Java·MIT License·active·23 hours ago

• knowm/XChange on GitHub, opens in a new tab

  4.1Kstars

  ★ 4.1k MIT 🟢Consistent Java API for market data and trading across cryptocurrency exchanges.

  Java·MIT License·active·2 weeks ago

• awaitility/awaitility on GitHub, opens in a new tab

  4Kstars

  ★ 4.0k Apache-2.0 🟠DSL for synchronizing asynchronous operations.

  Java·Apache License 2.0·steady·4 months ago

• kubernetes-client/java on GitHub, opens in a new tab

  4Kstars

  ★ 4.0k Apache-2.0 🟢Official Java client for the Kubernetes API.

  Java·Apache License 2.0·active·13 hours ago

• apache/tika on GitHub, opens in a new tab

  4Kstars

  ★ 4.0k Apache-2.0 🟢Detects and extracts text and metadata from a wide range of document formats.

  Java·Apache License 2.0·active·3 hours ago

• spotbugs/spotbugs on GitHub, opens in a new tab

  3.9Kstars

  ★ 3.9k LGPL-2.1 🟢Static analysis of bytecode to find potential bugs.

  Java·GNU Lesser General Public License v2.1·active·8 hours ago

• RoaringBitmap/RoaringBitmap on GitHub, opens in a new tab

  3.9Kstars

  ★ 3.9k Apache-2.0 🟢Fast and efficient compressed bitmap.

  Java·Apache License 2.0·active·2 weeks ago

• marmelab/awesome-rest on GitHub, opens in a new tab

  3.9Kstars

  Creative Commons Zero v1.0 Universal·steady·3 months ago

• JCTools/JCTools on GitHub, opens in a new tab

  3.9Kstars

  ★ 3.9k Apache-2.0 🟢Concurrency tools currently missing from the JDK.

  Java·Apache License 2.0·active·3 days ago

• Netflix/maestro on GitHub, opens in a new tab

  3.8Kstars

  ★ 3.8k Apache-2.0 🟢Workflow orchestration engine developed by Netflix.

  Java·Apache License 2.0·active·6 days ago

• helidon-io/helidon on GitHub, opens in a new tab

  3.8Kstars

  ★ 3.8k Apache-2.0 🟢Two-style approach for writing microservices: Functional-reactive and as an implementation of MicroProfile.

  Java·Apache License 2.0·active·3 days ago

• TNG/ArchUnit on GitHub, opens in a new tab

  3.8Kstars

  ★ 3.8k Apache-2.0 🟢Test library for specifying and asserting architecture rules.

  Java·Apache License 2.0·active·3 days ago

• Atmosphere/atmosphere on GitHub, opens in a new tab

  3.8Kstars

  ★ 3.8k Apache-2.0 🟢Real-time transport framework supporting WebSocket, SSE, gRPC and WebTransport.

  Java·Apache License 2.0·active·10 hours ago

• jtablesaw/tablesaw on GitHub, opens in a new tab

  3.8Kstars

  ★ 3.8k Apache-2.0 🟢Includes a data-frame, an embedded column store, and hundreds of methods to transform, summarize, or filter data.

  Java·Apache License 2.0·active·last week

• undertow-io/undertow on GitHub, opens in a new tab

  3.8Kstars

  ★ 3.8k Apache-2.0 🟢Web server providing both blocking and non-blocking APIs based on NIO. Used as a network layer in WildFly.

  Java·Apache License 2.0·active·3 days ago

• springdoc/springdoc-openapi on GitHub, opens in a new tab

  3.7Kstars

  ★ 3.7k Apache-2.0 🟢Automates the generation of API documentation using Spring Boot projects.

  Java·Apache License 2.0·active·2 weeks ago

• grpc-ecosystem/grpc-spring on GitHub, opens in a new tab

  3.7Kstars

  ★ 3.7k Apache-2.0 🟢Spring Boot integration for building gRPC clients and servers.

  Java·Apache License 2.0·active·3 weeks ago

• reactor/reactor on GitHub, opens in a new tab

  3.7Kstars

  ★ 3.7k Apache-2.0 🟢A framework for building non-blocking applications on the JVM, providing support for reactive programming.

  Apache License 2.0·active·13 hours ago

• networknt/light-4j on GitHub, opens in a new tab

  3.7Kstars

  ★ 3.7k Apache-2.0 🟢Fast, lightweight and productive microservices framework with built-in security.

  Java·Apache License 2.0·active·4 days ago

• fabric8io/kubernetes-client on GitHub, opens in a new tab

  3.7Kstars

  ★ 3.7k Apache-2.0 🟢Client provides access to the full Kubernetes & OpenShift REST APIs via a fluent DSL.

  Java·Apache License 2.0·active·6 days ago

• modelcontextprotocol/java-sdk on GitHub, opens in a new tab

  3.7Kstars

  ★ 3.7k MIT 🟢Enables applications to interact with AI models and tools through a standardized interface (i.e. Model Context Protocol), supporting both synchronous and asynchronous communication patterns.

  Java·MIT License·active·last week

• openrewrite/rewrite on GitHub, opens in a new tab

  3.7Kstars

  ★ 3.6k Apache-2.0 🟢Automates large-scale source-code refactoring through reusable recipes.

  Java·Apache License 2.0·active·3 hours ago

• apache/logging-log4j2 on GitHub, opens in a new tab

  3.6Kstars

  ★ 3.6k Apache-2.0 🟢Complete rewrite with a powerful plugin and configuration architecture.

  Java·Apache License 2.0·active·6 hours ago

• AxonIQ/AxonFramework on GitHub, opens in a new tab

  3.6Kstars

  ★ 3.6k Apache-2.0 🟢Framework for creating CQRS applications.

  Java·Apache License 2.0·active·3 hours ago

• immutables/immutables on GitHub, opens in a new tab

  3.6Kstars

  ★ 3.6k Apache-2.0 🟢Annotation processors to generate simple, safe and consistent value objects.

  Java·Apache License 2.0·active·2 weeks ago

• apache/lucene on GitHub, opens in a new tab

  3.5Kstars

  ★ 3.5k Apache-2.0 🟢High-performance, full-featured, cross-platform, text search engine library.

  Java·Apache License 2.0·active·3 hours ago

• eclipse-openj9/openj9 on GitHub, opens in a new tab

  3.5Kstars

  ★ 3.5k 🟢High performance, enterprise-calibre, flexibly licensed, openly-governed cross-platform JVM extending and augmenting the runtime technology components from the Eclipse OMR and OpenJDK project.

  Java·Other·active·4 hours ago

• aeron-io/simple-binary-encoding on GitHub, opens in a new tab

  3.5Kstars

  ★ 3.5k Apache-2.0 🟢Simple Binary Encoding, one of the fastest message formats around.

  Java·Apache License 2.0·active·just now

• mhrimaz/AwesomeJavaFX on GitHub, opens in a new tab

  3.4Kstars

  Other·active·last month

• svix/svix-webhooks on GitHub, opens in a new tab

  3.4Kstars

  ★ 3.4k MIT 🟢Library for the Svix API to send webhooks and verify signatures.

  Rust·MIT License·active·4 days ago

• AdoptOpenJDK/jitwatch on GitHub, opens in a new tab

  3.3Kstars

  ★ 3.3k 🟠Analyze the JIT compiler optimisations made by the HotSpot JVM.

  Java·Other·steady·8 months ago

• apache/avro on GitHub, opens in a new tab

  3.3Kstars

  ★ 3.3k Apache-2.0 🟢Data interchange format with dynamic typing, untagged data, and absence of manually assigned IDs.

  Java·Apache License 2.0·active·23 hours ago

• openjdk/jfx on GitHub, opens in a new tab

  3.3Kstars

  ★ 3.3k GPL-2.0 🟢Successor of Swing.

  C++·GNU General Public License v2.0·active·3 days ago

• apache/nutch on GitHub, opens in a new tab

  3.3Kstars

  ★ 3.3k Apache-2.0 🟢Highly extensible, highly scalable web crawler for production environments.

  Java·Apache License 2.0·active·19 hours ago

• aeron-io/agrona on GitHub, opens in a new tab

  3.2Kstars

  ★ 3.2k Apache-2.0 🟢Data structures and utility methods that are common in high-performance applications.

  Java·Apache License 2.0·active·5 days ago