Open-source projects tagged “java”
Open-source and self-hostable projects tagged “java” on GitHub, with license, free-edition limits and setup checked against official sources.
- Stirling PDF
A PDF editor and processor with many tools that runs in the browser, on the desktop or on your own server.
Stars94kLast commitOct 15, 2026LicenseMIT - Jenkins
A Java-based, self-hosted automation server with a large plugin ecosystem, mostly used to build, test and deploy software.
Stars27kLast commitOct 14, 2026LicenseMIT - OpenSearch
A distributed search and analytics engine, with dashboards, vector search and observability tools, developed under the Linux Foundation.
Stars14kLast commitOct 15, 2026LicenseApache-2.0 - openHAB
A vendor-neutral home automation server that connects many smart home technologies and runs on your own hardware.
Stars1.2kLast commitOct 14, 2026LicenseEPL-2.0
