Open-source projects built with Java
Open-source and self-hostable projects whose repository uses Java, as reported by GitHub.
- Keycloak
An identity and access management server that provides single sign-on with OpenID Connect, OAuth 2.0 and SAML.
Stars37kLast commitOct 11, 2026LicenseApache-2.0 - Jenkins
A Java-based, self-hosted automation server with a large plugin ecosystem, mostly used to build, test and deploy software.
Stars27kLast commitOct 10, 2026LicenseMIT - OpenSearch
A distributed search and analytics engine, with dashboards, vector search and observability tools, developed under the Linux Foundation.
Stars14kLast commitOct 9, 2026LicenseApache-2.0
