Open-source projects built with Java

A PDF editor and processor with many tools that runs in the browser, on the desktop or on your own server.

A note-taking app for desktop, mobile and terminal that syncs through your own storage or a Joplin server, with optional end-to-end encryption. The Joplin Server for self-hosted sync is under a separate personal-use license and is not open source.

Keycloak

An identity and access management server that provides single sign-on with OpenID Connect, OAuth 2.0 and SAML.

Jitsi Meet

A browser-based video conferencing server and web app that needs no account to join, which you can run yourself or use through 8x8's hosted services.

Jenkins

A Java-based, self-hosted automation server with a large plugin ecosystem, mostly used to build, test and deploy software.

OpenSearch

A distributed search and analytics engine, with dashboards, vector search and observability tools, developed under the Linux Foundation.

diagrams.net (draw.io)

A diagramming tool for flowcharts, network and UML diagrams that runs in the browser or as a desktop app and lets you choose where files are stored.

A vendor-neutral home automation server that connects many smart home technologies and runs on your own hardware.