Vanilla Forums
Vanilla Forums is an open-source community forum software designed for ease of use and extensibility. Founded in Montreal, it powers thousands of community platforms worldwide, with a strong plugin ecosystem and modern design.
Aegir Hosting System
Aegir is an open-source hosting system for Drupal websites, created and maintained largely by Montreal-based developers. It enables sysadmins to provision, migrate, and manage large numbers of Drupal sites from a single control panel.
NodeBB
A modern discussion forum platform built on Node.js with real-time interactions and extensible plugins.
Discourse
A modern community discussion platform with moderation, trust levels, and extensive integrations.
Flarum
A lightweight and extensible discussion forum platform built with PHP.
HumHub
A modular social network framework for communities, organizations, and intranets.
Mastodon
A decentralized social networking server built on the ActivityPub standard.
PeerTube
A federated video hosting platform using peer-to-peer delivery and ActivityPub.
Pixelfed
A federated photo-sharing platform designed as an open alternative to centralized social networks.
GCconnex
Open collaboration platform code used for Government of Canada internal social and knowledge-sharing services.
Revolt
Open-source chat platform with servers, channels, messaging, and self-hosting.
Lemmy
Federated link aggregation and discussion platform using ActivityPub.
Mbin
Federated content aggregation, microblogging, and discussion platform compatible with ActivityPub.
Misskey
Federated social networking platform with rich posting, reactions, and ActivityPub support.