Web application that allows you to perform operations on PDF files
PDFsam, a desktop application to split, merge, mix, rotate PDF files
Barcode scanning library for Java, Android
Gephi the open graph Viz platform
Android open source calendar
An XMPP server licensed under the Open Source Apache License
Data visualization analysis tool
Track and evaluate the performance of your investment portfolio
The Metadata Platform for your Data and AI Stack
The open big data serving engine
A Distributed RESTful Search Engine
RStudio is an integrated development environment (IDE) for R
Conductor is an event driven agentic workflow engine for AI agents
Centralize, transform and stash your data
Official GanttProject repository
An easy-to-use, high-performance distributed transaction solution
Distributed messaging and streaming platform with low latency
Non-Blocking Reactive Foundation for the JVM
Scalable master data management and identity resolution
An extremely easy way to perform background processing in Java
SeaTunnel is a distributed, high-performance data integration platform
DBMS supporting graph, document, full-text and geospatial models
Java 1-17 Parser and Abstract Syntax Tree for Java
Maven/Gradle alternative with a twist: its a single Java file
Stream Processing and Complex Event Processing Engine