Java is a general-purpose, high-level, class-based, object-oriented programming language that is designed to have as few implementation dependencies as possible. Compiled Java code can run on all platforms that support Java without the need to recompile.
This page lists all projects using this programming language or deployment platform. Only the main server-side requirements, packaging or distribution formats are considered.
Automatically generate multiple natural language descriptions of your data varying in wording and structure.
The open source ticket reservation system.
Alfresco Community Edition#
The open source Enterprise Content Management software that handles any type of content, allowing users to easily share and collaborate on content.
Solr is the popular, blazing-fast, open source enterprise search platform built on Apache Lucene.
Cloud or self-hosted open-source platform to build admin panels, CRUD apps and workflows. Build everything you need, 10x faster.
Free and open source self-hosted manga/comic/light novel media server with clients for Windows, Linux, macOS and Android.
Bluetooth LE chat app to communicate between android devices with P2P architecture.
Tools, libraries, services and a community to build user-to-user, group and social messaging into your app. Saves time. Scales up. Supports you.
Google Reader inspired self-hosted RSS reader.
Open Source IoT Platform with a wide range of integration options.
Auto-tagging document organizer and archive.
Distributed, column-oriented, real-time analytics data store.
Turnkey repository application providing durable access to digital resources.
Open source workspace server and cloud IDE.
Fedora Commons Repository#
Robust and modular repository system for the management and dissemination of digital content especially suited for digital libraries and archives, both for access and preservation.
Fess is a very powerful and easily deployable Enterprise Search Server.
Firefox Account Server#
This allows you to host your own Firefox accounts server.
A code review and project management tool for Git based projects.
Pure Java stack for managing, viewing, and serving Git repositories.
Easily installable GitHub clone powered by Scala.
Fast routing library and server using OpenStreetMap.
Guacamole is a clientless remote desktop gateway. It supports standard protocols like VNC and RDP.
Anonymously share files, browse and publish freesites (web sites accessible only through Hyphanet) and chat on forums.
Jitsi Video Bridge#
WebRTC compatible Selective Forwarding Unit (SFU) that allows for multiuser video communication.
Open-Source Subscription Billing & Payments Platform. Have access to real-time analytics and financial reports.
Media server for comics/mangas/BDs with API and OPDS support, a modern web interface for exploring your libraries, as well as a web reader.
Proofread more than 20 languages. It finds many errors that a simple spell checker cannot detect.
Easy, open-source way for everyone in your company to ask questions and learn from data.
Factorio-like tower defense game. Build production chains to gather more resources, and build complex facilities.
Enterprise Resource Planning system with a suite of business applications flexible enough to be used across any industry.
All-In-One DevOps Platform. With Git Management, Issue Tracking, and CI/CD. Simple yet Powerful.
Real time collaboration (RTC) server.
Vendor and technology agnostic open source software for home automation.
Openmeetings provides video conferencing, instant messaging, white board, collaborative document editing and other groupware tools using API functions of the Red5 Streaming Server for Remoting and Streaming.
OpenOLAT is a web-based learning management system for teaching, education, assessment and communication.
Open-Source IoT Platform - IoT Asset management, Flow Rules and WHEN-THEN rules, Data visualization, Edge Gateway.
Selfhosted route service with directions, isochrones, time-distance matrix, route optimization, etc.
Open source distributed and RESTful search engine.
Multimodal trip planning software based on OpenStreetMap data and consuming published GTFS-formatted data to suggest routes using local public transit systems.
Small web application to manage all your offline documents. Provides a searchable storage for your documents and reminds you of upcoming tasks.
Flexible and modular backend framework/server for object persistence, API development and authentication.
Beautiful, simple and easy to deploy Pastebin with optional Client-Encryption, Multitab-Pastes, an API, a highlighted Editor and more.
Secure and private space online where you can store, share and view your photos, videos, music and documents. Also includes a calendar, news feed, task lists, chat and email client.
Web browser based IDE for R.
The easiest way to share and manage your Git, Mercurial and Subversion repositories over http.
Stack Overflow in a JAR. An enterprise-ready Q&A platform with full-text search, SAML, LDAP integration and social login support.
A simple URL shortener that just shortens links.
VoIP troubleshooting and monitoring platform.
Local hosted web application that allows you to perform various operations on PDF files, such as merging, splitting, file conversions and OCR.
Self hosted streaming media server.
Syndie is a libre system for operating distributed forums.
Lightweight document management system packed with all the features you can expect from big expensive solutions (Ex SismicsDocs).
Open-source IoT Platform - Device management, data collection, processing and visualization.
XMPP server implementation in Java.
Developer & translator friendly web-based localization platform enabling users to translate directly in the app they develop.
Java application to track GPS positions. Supports loads of tracking devices and protocols, has an Android and iOS App. Has a web interface to view your trips.
Second generation wiki that allows the user to extend its functionalities with a powerful extension-based architecture.
Peer based, decentralized search engine server.
Email, calendar, collaboration server with Web interface and lots of integrations.