Open Source Software Library

A toolchain for producing self-hosted vector map tiles from OpenStreetMap and other open data.

A Python server implementation of modern Open Geospatial Consortium API standards.

A geospatial content management platform for publishing, sharing, and collaborating on maps and spatial data.

A self-hosted collaboration platform for files, calendars, contacts, communication, and productivity.

A file synchronization and sharing platform for private cloud deployments.

A high-performance file synchronization and sharing system with team collaboration features.

A continuous peer-to-peer file synchronization application that keeps data under user control.

A desktop and mobile tool that encrypts files before they are stored in cloud services.

A disk encryption application for creating encrypted volumes and protecting stored data.

A secure browser-based video conferencing platform that can be self-hosted.

A federated homeserver for the Matrix open communication protocol.

A web client for secure, decentralized Matrix messaging and collaboration.

A team chat system that organizes conversations by topic within streams.

A self-hosted communications platform for chat, voice, video, and customer engagement.

A low-latency encrypted voice chat application suitable for communities and gaming.

A desktop email, calendar, contacts, and feed client maintained by the Thunderbird community.

An open email client for Android that forms the foundation of Thunderbird for Android.

A modern community discussion platform with moderation, trust levels, and extensive integrations.

A lightweight and extensible discussion forum platform built with PHP.

A modular social network framework for communities, organizations, and intranets.

A decentralized social networking server built on the ActivityPub standard.

A federated video hosting platform using peer-to-peer delivery and ActivityPub.

A federated photo-sharing platform designed as an open alternative to centralized social networks.

A minimalist federated publishing platform for blogs and writing communities.

A publishing platform for professional websites, newsletters, and membership-based content.