☕ Awesome Java

Projects 361–420 of 758, most starred first

• bbottema/simple-java-mail on GitHub, opens in a new tab

  1.3Kstars

  ★ 1.3k Apache-2.0 🟢Mailing with a clean and fluent API.

  Java·Apache License 2.0·active·3 days ago

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

  1.3Kstars

  ★ 1.3k BSD-3-Clause 🔴Parser generator that generates top-down parsers. Allows lexical state switching and permits extended BNF specifications.

  Java·BSD 3-Clause "New" or "Revised" License·slowing·last year

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

  1.3Kstars

  ★ 1.3k Apache-2.0 🟢Highly concurrent transactional schema-less and ACID-compliant embedded database.

  Java·Apache License 2.0·active·last month

• braisdom/ObjectiveSql on GitHub, opens in a new tab

  1.3Kstars

  ★ 1.3k Apache-2.0 🔴ActiveRecord ORM for rapid development and convention over configuration.

  Java·Apache License 2.0·slowing·2 years ago

• google/re2j on GitHub, opens in a new tab

  1.3Kstars

  ★ 1.3k 🟢Java port of RE2 providing linear-time regular expression matching.

  Java·Other·active·3 months ago

• rkalla/imgscalr on GitHub, opens in a new tab

  1.2Kstars

  ★ 1.2k Apache-2.0 🔴Simple, efficient and hardware-accelerated image-scaling library implemented in pure Java 2D.

  Java·Apache License 2.0·slowing·3 years ago

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

  1.2Kstars

  ★ 1.2k 🟢Static analyzer for SonarQube & SonarLint. (LGPL-3.0-only)

  Java·Other·active·8 hours ago

• rampatra/jbot on GitHub, opens in a new tab

  1.2Kstars

  ★ 1.2k GPL-3.0 🟠Framework for building chatbots.

  Java·GNU General Public License v3.0·steady·10 months ago

• fusesource/jansi on GitHub, opens in a new tab

  1.2Kstars

  ★ 1.2k Apache-2.0 🟠ANSI escape codes to format console output.

  Java·Apache License 2.0·steady·5 months ago

• PebbleTemplates/pebble on GitHub, opens in a new tab

  1.2Kstars

  ★ 1.2k BSD-3-Clause 🟢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.

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

• javapackager/JavaPackager on GitHub, opens in a new tab

  1.2Kstars

  ★ 1.2k GPL-3.0 🟠Maven and Gradle plugin which provides an easy way to package Java applications in native Windows, macOS or GNU/Linux executables, and generate installers for them.

  Java·GNU General Public License v3.0·steady·5 months ago

• lessthanoptimal/BoofCV on GitHub, opens in a new tab

  1.2Kstars

  ★ 1.2k 🟢Library for image processing, camera calibration, tracking, SFM, MVS, 3D vision, QR Code and much more.

  Java·active·last week

• sksamuel/scrimage on GitHub, opens in a new tab

  1.2Kstars

  ★ 1.2k Apache-2.0 🟢Immutable, functional, and performant JVM library for manipulation of images.

  Java·Apache License 2.0·active·6 days ago

• vladmihalcea/flexy-pool on GitHub, opens in a new tab

  1.2Kstars

  ★ 1.2k Apache-2.0 🟠Brings metrics and failover strategies to the most common connection pooling solutions.

  Java·Apache License 2.0·steady·6 months ago

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

  1.2Kstars

  ★ 1.2k Apache-2.0 🟢Java client for etcd v3.

  Java·Apache License 2.0·active·2 weeks ago

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

  1.2Kstars

  ★ 1.2k Apache-2.0 🟢Automates data setup in unit tests by generating fully-populated, reproducible objects. Includes JUnit 5 extension.

  Java·Apache License 2.0·active·15 hours ago

• adoptium/temurin-build on GitHub, opens in a new tab

  1.2Kstars

  ★ 1.2k Apache-2.0 🟢OpenJDK distribution from the Eclipse Adoptium project.

  Shell·Apache License 2.0·active·3 days ago

• jbake-org/jbake on GitHub, opens in a new tab

  1.2Kstars

  ★ 1.2k MIT 🟠Static website generator.

  Java·MIT License·steady·8 months ago

• jbox2d/jbox2d on GitHub, opens in a new tab

  1.1Kstars

  ★ 1.1k BSD-2-Clause 🔴Port of the renowned C++ 2D physics engine.

  Java·BSD 2-Clause "Simplified" License·slowing·2 years ago

• typetools/checker-framework on GitHub, opens in a new tab

  1.1Kstars

  ★ 1.1k 🟢Pluggable type systems. Includes nullness types, physical units, immutability types and more. (GPL-2.0-only WITH Classpath-exception-2.0)

  Java·Other·active·15 hours ago

• pact-foundation/pact-jvm on GitHub, opens in a new tab

  1.1Kstars

  ★ 1.1k Apache-2.0 🟢Consumer-driven contract testing.

  Kotlin·Apache License 2.0·active·6 days ago

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

  1.1Kstars

  ★ 1.1k Apache-2.0 🟢Fully certified and portable implementation of the JAX-RS specification.

  Java·Apache License 2.0·active·14 hours ago

• christian-bromann/awesome-selenium on GitHub, opens in a new tab

  1.1Kstars

  Creative Commons Zero v1.0 Universal·steady·5 months ago

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

  1.1Kstars

  ★ 1.1k Apache-2.0 🟢Standardized nullness annotations designed to work uniformly across various Java IDEs, compilers, and static analysis tools.

  Java·Apache License 2.0·active·yesterday

• casid/jte on GitHub, opens in a new tab

  1.1Kstars

  ★ 1.1k Apache-2.0 🟢Compiles to classes, and uses an easy syntax, several features to make development easier and provides fast execution and a small footprint.

  Java·Apache License 2.0·active·last week

• hivemq/hivemq-mqtt-client on GitHub, opens in a new tab

  1.1Kstars

  ★ 1.1k Apache-2.0 🟢Reactive and blocking Java client for MQTT 3.1.1 and MQTT 5.

  Java·Apache License 2.0·active·3 days ago

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

  1.1Kstars

  ★ 1.1k Apache-2.0 🟢Library to generate text output (HTML web pages, e-mails, configuration files, source code, etc.) based on templates and changing data.

  Java·Apache License 2.0·active·5 days ago

• spring-projects/spring-hateoas on GitHub, opens in a new tab

  1.1Kstars

  ★ 1.1k Apache-2.0 🟢Standalone and Spring support for building hypermedia-based APIs using HAL, HAL FORMS, Collection+JSON, ALPS and UBER.

  Java·Apache License 2.0·active·7 days ago

• apache/mina-sshd on GitHub, opens in a new tab

  1.1Kstars

  ★ 1.1k Apache-2.0 🟢Java implementation of SSH clients, servers, SFTP and SCP.

  Java·Apache License 2.0·active·4 weeks ago

• ArcadeData/arcadedb on GitHub, opens in a new tab

  1.1Kstars

  ★ 1.1k Apache-2.0 🟢Multi-model database supporting graphs, documents, key-value, time series, and vector embeddings with SQL, Cypher, Gremlin, MongoDB, and Redis API compatibility.

  Java·Apache License 2.0·active·9 hours ago

• datumbox/datumbox-framework on GitHub, opens in a new tab

  1.1Kstars

  ★ 1.1k Apache-2.0 🔴Provides several algorithms and pre-trained models for natural language processing.

  Java·Apache License 2.0·slowing·3 years ago

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

  1.1Kstars

  ★ 1.1k Apache-2.0 🟢Collection of I/O utilities.

  Java·Apache License 2.0·active·yesterday

• paohaijiao-jquick/jquick-curl on GitHub, opens in a new tab

  1.1Kstars

  ★ 1.1k 🟢Executes HTTP requests from cURL syntax through annotations, XML configuration and dynamic proxy clients.

  Java·active·8 hours ago

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

  1.1Kstars

  ★ 1.1k BSD-3-Clause 🟢Java implementation of the DNS protocol.

  Java·BSD 3-Clause "New" or "Revised" License·active·2 months ago

• belaban/JGroups on GitHub, opens in a new tab

  1.1Kstars

  ★ 1.1k Apache-2.0 🟢Toolkit for reliable messaging and cluster creation.

  Java·Apache License 2.0·active·8 hours ago

• ngs-doo/dsl-json on GitHub, opens in a new tab

  1.1Kstars

  ★ 1.1k BSD-3-Clause 🟢JSON library with advanced compile time databinding.

  Java·BSD 3-Clause "New" or "Revised" License·active·2 months ago

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

  1.1Kstars

  ★ 1.1k Apache-2.0 🟢High-performance relational database layer over HBase for low-latency applications.

  Java·Apache License 2.0·active·2 days ago

• carrotsearch/hppc on GitHub, opens in a new tab

  1.1Kstars

  ★ 1.1k Apache-2.0 🟢Primitive collections.

  Java·Apache License 2.0·active·4 days ago

• apple/servicetalk on GitHub, opens in a new tab

  1Kstars

  ★ 1.0k Apache-2.0 🟢Framework built on Netty with APIs tailored to specific protocols and support for multiple programming paradigms.

  Java·Apache License 2.0·active·11 hours ago

• antlr/stringtemplate4 on GitHub, opens in a new tab

  1Kstars

  ★ 1.0k 🔴Template engine for generating source code, web pages, emails, or any other formatted text output.

  Java·Other·slowing·last year

• yahoo/elide on GitHub, opens in a new tab

  1Kstars

  ★ 1.0k 🟢Opinionated framework for JSON- or GraphQL-APIs based on a JPA data model.

  Java·Other·active·23 hours ago

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

  1Kstars

  ★ 1.0k Apache-2.0 🟢Implementation of the Feature Toggles pattern.

  Java·Apache License 2.0·active·3 days ago

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

  1Kstars

  ★ 1.0k Apache-2.0 🟢Library that simplifies JSON comparison in tests.

  Java·Apache License 2.0·active·19 hours ago

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

  998stars

  ★ 997 MIT 🟢Integration with the Stripe API.

  Java·MIT License·active·11 hours ago

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

  997stars

  ★ 997 Apache-2.0 🟠Lightweight asynchronous framework built from the ground up for developing high-performance web applications.

  Java·Apache License 2.0·steady·7 months ago

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

  993stars

  ★ 993 Apache-2.0 🟢SDK for building low-latency and scalable web crawlers.

  Java·Apache License 2.0·active·8 hours ago

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

  984stars

  ★ 984 🟢Profiling and diagnostics suite for JVM applications using Java Flight Recorder.

  Java·active·3 days ago

• locationtech/spatial4j on GitHub, opens in a new tab

  962stars

  ★ 962 🟢General-purpose spatial/geospatial library.

  Java·active·16 hours ago

• OpenGamma/Strata on GitHub, opens in a new tab

  955stars

  ★ 955 Apache-2.0 🟢Analytics and market risk library for financial products.

  Java·Apache License 2.0·active·2 weeks ago

• matteobaccan/owner on GitHub, opens in a new tab

  940stars

  ★ 940 BSD-3-Clause 🟢Reduces boilerplate of properties.

  Java·BSD 3-Clause "New" or "Revised" License·active·8 hours ago

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

  939stars

  ★ 939 Apache-2.0 🟠Thin wrapper on the JBoss Netty HTTP stack that provides scaling and performance.

  Java·Apache License 2.0·steady·6 months ago

• cowtowncoder/java-uuid-generator on GitHub, opens in a new tab

  938stars

  ★ 937 Apache-2.0 🟢Generates standard UUID versions including time-ordered UUIDv6 and UUIDv7.

  Java·Apache License 2.0·active·2 weeks ago

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

  938stars

  ★ 938 Apache-2.0 🟢SDK for implementing Kubernetes operators in Java.

  Java·Apache License 2.0·active·9 hours ago

• Randgalt/record-builder on GitHub, opens in a new tab

  926stars

  ★ 926 Apache-2.0 🟢Companion builder class, withers and templates for Java records.

  Java·Apache License 2.0·active·2 weeks ago

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

  924stars

  ★ 924 Apache-2.0 🟢Abstract, event-driven async I/O API for network operations over TCP/IP and UDP/IP via Java NIO.

  Java·Apache License 2.0·active·2 months ago

• takari/polyglot-maven on GitHub, opens in a new tab

  922stars

  ★ 922 EPL-1.0 🟢Extensions for Maven 3.3.1+ that allows writing the POM model in dialects other than XML.

  Java·Eclipse Public License 1.0·active·2 weeks ago

• Hakky54/certificate-ripper on GitHub, opens in a new tab

  922stars

  ★ 922 Apache-2.0 🟢CLI tool and library for extracting and exporting server certificates from HTTPS endpoints.

  Java·Apache License 2.0·active·9 hours ago

• zeroturnaround/zt-exec on GitHub, opens in a new tab

  916stars

  ★ 916 Apache-2.0 🟢Provides a unified API to Apache Commons Exec and ProcessBuilder.

  Java·Apache License 2.0·active·6 days ago

• dhatim/fastexcel on GitHub, opens in a new tab

  910stars

  ★ 910 🟢High performance library to read and write large Excel (XLSX) worksheets.

  Java·Other·active·last week

• OpenIdentityPlatform/OpenAM on GitHub, opens in a new tab

  882stars

  ★ 882 🟢Access management solution that includes authentication, SSO, authorization, federation, entitlements and web services security.

  Java·Other·active·6 days ago