Self-hosted software built with Java

Distributed, RESTful search and analytics engine.

Easy way for everyone in your company to ask questions and learn from data.

Local hosted web application that allows you to perform various operations on PDF files, such as merging, splitting, file conversions and OCR.

Factorio-like tower defense game. Build production chains to gather more resources, and build complex facilities.

Distributed and RESTful search engine.

Supports real-time sharing of audio, video, slides (with whiteboard controls), chat, and the screen. Instructors can engage remote students with polling, emojis, and breakout rooms.

Distributed, column-oriented, real-time analytics data store.

IoT Platform - Device management, data collection, processing and visualization.

Second generation wiki that allows the user to extend its functionalities with a powerful extension-based architecture.

A powerful and easy-to-use website building tool (documentation in Chinese).

Multimodal trip planning software based on OpenStreetMap data and consuming published GTFS-formatted data to suggest routes using local public transit systems.

Google Reader inspired self-hosted RSS reader.

Build admin panels, CRUD apps and workflows. Build everything you need, 10x faster.

All-In-One DevOps Platform. With Git Management, Issue Tracking, and CI/CD. Simple yet Powerful.

Real time collaboration (RTC) server.

Proofread more than 20 languages. It finds many errors that a simple spell checker cannot detect.

Host your own Firefox accounts server.

IoT Asset management, Flow Rules and WHEN-THEN rules, Data visualization, Edge Gateway.

Web browser based IDE for R.

Route service with directions, isochrones, time-distance matrix, route optimization, etc.

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.

Turnkey repository application providing durable access to digital resources.

Developer & translator friendly web-based localization platform enabling users to translate directly in the app they develop.

Powerful and easily deployable Enterprise Search Server.

Git platform powered with easy installation, high extensibility & GitHub API compatibility (alternative to GitHub).

Enterprise search platform featuring full-text search, hit highlighting, faceted search, real-time indexing, dynamic clustering, and rich document (e.g., Word, PDF) handling.

Learning management system for teaching, education, assessment and communication.

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.

Enterprise Resource Planning system with a suite of business applications flexible enough to be used across any industry.

Code review and project management tool for Git-based projects.

Subscription billing & payments platform. Have access to real-time analytics and financial reports.

Auto-tagging document organizer and archive.

Stack Overflow in a JAR. An enterprise-ready Q&A platform with full-text search, SAML, LDAP integration and social login support.

Anonymously share files, browse and publish _freesites_ (web sites accessible only through Hyphanet) and chat on forums.

Share files easily over the internet between authenticated and anonymous users (both ways) with resumable up- and downloads.

POP/IMAP/SMTP/Caldav/Carddav/LDAP exchange gateway allowing users to use any mail/calendar client with an Exchange server, even from the internet or behind a firewall through Outlook Web Access.

Open source workspace server and cloud IDE.

Peer based, decentralized search engine server.

The open source Enterprise Content Management software that handles any type of content, allowing users to easily share and collaborate on content.

Laboratory information system (LIS/LIMS) for clinical, public health, environmental and vector surveillance labs. FHIR-native, with analyzer integration (ASTM/HL7), quality control and national-scale reporting.

WebRTC compatible Selective Forwarding Unit (SFU) that allows for multiuser video communication.

Video conferencing, instant messaging, whiteboard, collaborative document editing and other groupware tools using API functions of the Red5 Streaming Server for Remoting and Streaming.

Flexible and modular backend framework/server for object persistence, API development and authentication.

Fast routing library and server using OpenStreetMap.

Vendor and technology agnostic open source software for home automation.

Clientless remote desktop gateway supporting standard protocols like VNC and RDP.

Read and to-read list book tracker.

Ticket reservation system.

Simple domain redirection management tool.

XMPP server implementation in Java.

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.

Beautiful, simple and easy to deploy Pastebin with optional client encryption, multitab pastes, an API, a highlighted editor and more.

Manga/comic/light novel media server with clients for Windows, Linux, macOS and Android.

The easiest way to share and manage your Git, Mercurial and Subversion repositories over http.

Minimal pastebin supporting client-side encryption, fulltext search, one-time messages. Intended for one to few users looking for a simple pastebin deployment.

Syncs your clipboard across multiple devices instantly, without any button press. Available on Windows, macOS, Linux, and Android, it provides seamless and secure clipboard sharing with end-to-end data encryption.

Continuous integration server.

Enterprise-level Git solution (alternative to GitLab).

Git and Continuous Integration/Delivery Platform.

Peer code review application.

Professional and extensible issue tracker.

VoIP troubleshooting and monitoring platform.

Browser-based remote access solution. No VPN client; just deploy the software in the DMZ. Access VMs, desktops, servers, and apps anytime, anywhere, without complex and costly client rollouts or user management.

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.

Free to use, versatile, lightweight, multi-platform, and secure home server for your comic and e-book library.

Email, calendar, collaboration server with Web interface and lots of integrations.