Open Source Community Building Platforms Software
Community Building Platforms provide digital spaces for hosting forums, real-time chat, and collaborative discussions. These tools centralize communication and content sharing to prevent member interactions from scattering across different services. This type of software suits organizers and hobbyists who need to manage member lists and conversation archives on their own hardware. By using these apps, you keep chat logs and user profiles on a private server. This approach removes reliance on external corporate platforms for maintaining community archives and member identity.
This page lists 18 open source tools in the Community Building Platforms category. The most popular are Discourse, lichess.org and Komi Store. Most use the AGPL-3.0 or GPL-2.0 license, and 14 offer an official Docker image.
Discourse
A community platform for hosting online forums with real time chat and customizable discussion spaces.
lichess.org
A free online chess game server focused on realtime gameplay and ease of use.
Komi Store
Browse, discover, and install open source software releases from GitHub, Codeberg, and Forgejo on one platform.
Fluxer
An instant messaging and VoIP platform for communities featuring Markdown support, voice and video calls, and self-hosting.
WriteFreely
A minimalist, Markdown-based publishing platform designed for distraction-free writing and the creation of federated communities.
Ergo
A modern IRC server that integrates daemon, services framework, and bouncer functionality into one application.
OpenStreetMap
A Ruby on Rails application providing the web interface and API for a collaborative world map.
BookWyrm
A federated social reading platform for tracking books, writing reviews, and discovering recommendations through decentralized communities.
Loomio
Collaborative decision making tool designed for organizations to reach consensus and manage group discussions.
Talkyard
A community discussion platform combining forum threads, real-time chat, and embeddable blog comments in one system.
Elgg
A rapid development framework for building socially aware web applications and social networking engines using PHP.
Mezon
A communication platform for communities and teams featuring encrypted messaging, voice calls, and AI moderation tools.
InspIRCd
A high performance Internet Relay Chat server supporting the IRCv3 protocol for various operating systems.
Open Source Social Network
A PHP based social networking platform for creating community websites with member profiles and engagement tools.
ENiGMA½
A modern bulletin board system server with support for retro terminal protocols and federated social networking.
Chirpy
A privacy-focused and customizable comment system for websites with real-time updates and moderation tools.
Valour
A community communication platform featuring multi-window chat, integrated economy systems, and a decentralized node architecture.
Storyden
A community platform combining discussion forums, wiki functionality, and content curation for building permanent and discoverable knowledge bases.
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