OpenPDF is an open-source Java library for creating, editing, rendering, and encrypting PDF documents, as well as generating PDFs from HTML. It is licensed under the LGPL and MPL.
- pdf-generation
- java
- itext
Repository Index
47,133 repositories indexed
361–384 of 2,114 · Most stars
A complete 3-D game development suite written in Java.
- jmonkeyengine3
- jmonkeyengine
- java
- hacktoberfest
Agentic Orchestration Platform
- microservices
- orchestration-framework
- workflow-engine
- java
FlatLaf - Swing Look and Feel (with Darcula/IntelliJ themes support)
- look-and-feel
- swing
- java-swing
- flatlaf
Fault tolerance and resilience patterns for the JVM
- java
- retry
- resilience
- timeout
Alibaba Dragonwell8 JDK
- dragonwell8
- java
- openjdk
- jdk
Maxwell's daemon, a mysql-to-json kafka producer
A lightweight indicator like in nexus 5 launcher
A TextView that automatically resizes text to fit perfectly within its bounds.
Distributed lock for your scheduled tasks
Java bytecode engineering toolkit
- java-bytecode
- java
The official AWS SDK for Java 1.x (In Maintenance Mode, End-of-Life on 12/31/2025). The AWS SDK for Java 2.x is available here: https://github.com/aws/aws-sdk-java-v2/
- aws-sdk
- java
- aws
- amazon
Java implementation of the Tron whitepaper
PowerMock is a Java framework that allows you to unit test code normally regarded as untestable.
A tool to help eliminate NullPointerExceptions (NPEs) in your Java code with low build-time overhead
- java
- static-analysis
- android
- nullability
Distributed Peer-to-Peer Web Search Engine and Intranet Search Appliance
XChange is a Java library providing a streamlined API for interacting with 60+ Bitcoin and Altcoin exchanges providing a consistent interface for trading and accessing market data.
Awaitility is a small Java DSL for synchronizing asynchronous operations
- awaitility
- asynchronous
- java
- testing
Traditional roguelike game with pixel-art graphics and simple interface
Make the model your single source of truth. Erupt is a model-driven engine for enterprise apps: UI, REST APIs, RBAC, data and AI agents are built from one model at runtime — no codegen, no frontend. Java/Kotlin on Spring Boot, Solon, Quarkus & more; SDKs for Python, Go, TypeScript and 6 other languages.
- annotation
- erupt
- low-code
- mdd
Phoenix Pull-to-Refresh
- android
- java
- pull-to-refresh
- animation
SpotBugs is FindBugs' successor. A tool for static analysis to look for bugs in Java code.
- findbugs
- static-analysis
- code-analysis
- static-code-analysis
A better compressed bitset in Java: used by Apache Spark, Netflix Atlas, Apache Pinot, Tablesaw, and many others
- java
- bitset
- roaring-bitmaps
- roaringbitmap
[DEPRECATED] Android floating action button