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28 stars written in Java
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Google core libraries for Java

Java 51,494 11,145 Updated Apr 24, 2026

Git Server with CI/CD, Kanban, and Packages. Seamless integration. Unparalleled experience.

Java 14,892 949 Updated Apr 27, 2026

🏗 Build container images for your Java applications.

Java 14,377 1,468 Updated Apr 20, 2026

OpenAI Api Client in Java

Java 4,754 1,196 Updated Jun 6, 2024

Camunda 7 CE is End of Life (EoL). Please check out Camunda 8 instead (https://github.com/camunda/camunda) or read about Camunda 7 Enterprise End of Life (https://camunda.com/blog/2025/02/camunda-7…

Java 4,269 1,712 Updated Nov 4, 2025

A tool to help eliminate NullPointerExceptions (NPEs) in your Java code with low build-time overhead

Java 4,041 336 Updated Apr 27, 2026

Java library for parsing and rendering CommonMark (Markdown)

Java 2,639 329 Updated Apr 10, 2026

Java regular expressions made easy.

Java 2,626 240 Updated Apr 1, 2026

CommonMark/Markdown Java parser with source level AST. CommonMark 0.28, emulation of: pegdown, kramdown, markdown.pl, MultiMarkdown. With HTML to MD, MD to PDF, MD to DOCX conversion modules.

Java 2,615 300 Updated Apr 16, 2025

MARY TTS -- an open-source, multilingual text-to-speech synthesis system written in pure java

Java 2,580 772 Updated Jan 17, 2025

A modular and portable open source XMPP client library written in Java for Android and Java (SE) VMs

Java 2,415 884 Updated Feb 23, 2026

Java agent to detect blocking calls from non-blocking threads.

Java 1,489 97 Updated Apr 27, 2026

Hollow is a java library and toolset for disseminating in-memory datasets from a single producer to many consumers for high performance read-only access.

Java 1,346 244 Updated Apr 26, 2026

An artifact of fully-specified annotations to power static-analysis checks, beginning with nullness analysis.

Java 1,086 43 Updated Apr 27, 2026

TLS-Attacker is a Java-based framework for analyzing TLS libraries. It can be used to manually test TLS clients and servers or as as a software library for more advanced tools.

Java 870 144 Updated Feb 12, 2026

Jinja template engine for Java

Java 775 173 Updated Apr 24, 2026

Cross-platform PDF digital signing tool. JavaFX desktop UI with drag-to-place visible signatures, PKCS#11/PKCS#12 keystores, RFC 3161 timestamping, OCSP/CRL long-term validation, and a scriptable CLI.

Java 396 133 Updated Apr 26, 2026

DepClean automatically detects and removes unused dependencies in Maven projects 🔗 https://dx.doi.org/10.1007/s10664-020-09914-8)

Java 361 35 Updated Apr 22, 2026

USB library for Java based on libusb

Java 316 110 Updated May 9, 2025

A recurrence processor for Java

Java 219 49 Updated Apr 7, 2024

MsgViewer is email-viewer utility for .msg e-mail messages, implemented in pure Java. MsgViewer works on Windows/Linux/Mac Platforms. Also provides a java api to read mail messges (msg files) progr…

Java 201 24 Updated Apr 23, 2026

A Java client to Github API

Java 150 95 Updated Feb 27, 2026

Small extensions for the Eclipse IDE

Java 44 5 Updated Jan 8, 2024

A Java API for the reMarkable Cloud

Java 22 7 Updated Sep 27, 2022
Java 10 15 Updated Apr 22, 2025

Simple RESTful API to manage entries on a LDAP server.

Java 8 4 Updated Oct 13, 2020
Java 4 Updated Feb 9, 2016