Open-source repos for community building
17 repos tagged Community building, sorted by GitHub stars. Add filters from the other category types to narrow the list.
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mastodon/mastodon
Server software for running your own Mastodon community or brand instance on the federated social network.
Hosting and deploy, Mastodon, Docker, Marketing, Media and publishing, Self hosters
50.5k starsAGPL-3.0Updated 3 Nov 2026
discourse/discourse
Community forum software widely used for customer support communities and product discussion.
Knowledge base, Feedback and roadmap, Web, Customer support, Product, SaaS, Self hosters
48k starsGPL-2.0Updated 3 Nov 2026
zulip/zulip
Team chat organised by topic-based threads for asynchronous discussions.
Internal tools, Web, Docker, Operations, Engineering, Self hosters, Open-source maintainers
26.2k starsApache-2.0Updated 2 Nov 2026
langbot-app/LangBot
Connects LLMs and agents to chat platforms like Telegram, Discord, Slack and WeChat as bots.
18.7k starsApache-2.0Updated 3 Nov 2026
apache/answer
Q&A platform for building a customer help community or internal support forum.
15.7k starsApache-2.0Updated 21 Oct 2026
owncast/owncast
Self-hosted live streaming server with built-in chat, an alternative to Twitch.
Hosting and deploy, Docker, Marketing, Creators, Self hosters
11.6k starsMITUpdated 27 Oct 2026
pterodactyl/panel
Game server management panel for hosting Minecraft and other game servers in containers.
Hosting and deploy, Internal tools, Docker, Web, Engineering, Gaming, Self hosters
9.5k starsOtherUpdated 2 Nov 2026
GameServerManagers/LinuxGSM
Command-line tool to install, update and monitor over 100 dedicated game servers on Linux.
Hosting and deploy, Monitoring, Backups, Engineering, Gaming, Self hosters
4.9k starsMITUpdated 2 Nov 2026
praw-dev/praw
Python wrapper for the Reddit API, used to monitor subreddits, keywords and comments.
Social listening, Web scraping, Reddit, Marketing, Data and analytics
4.3k starsBSD-2-ClauseUpdated 29 Oct 2026
decidim/decidim
Participatory democracy framework for proposals, debates, votes and participatory budgets.
Civic participation, Forms and surveys, Web, Operations, Government, Nonprofit
1.8k starsAGPL-3.0Updated 31 Oct 2026
evroon/bracket
Tournament system for setting up brackets and showing live rankings for esports and clubs.
Booking, Analytics dashboards, Web, Docker, Operations, Gaming, Events
1.8k starsAGPL-3.0Updated 3 Nov 2026
consuldemocracy/consuldemocracy
Citizen participation platform used by city councils for proposals, debates and participatory budgeting.
1.6k starsAGPL-3.0Updated 4 Nov 2026
compdemocracy/polis
Gathers open-ended opinions at scale and maps where a large group agrees and disagrees.
Civic participation, Forms and surveys, Web, Leadership, Data and analytics, Government, Nonprofit
1.2k starsAGPL-3.0Updated 4 Nov 2026
civicrm/civicrm-core
Constituent CRM for nonprofits handling donors, members, events, mailings and case work.
CRM, Fundraising and donations, Email campaigns, WordPress, Web, Marketing, Operations, Nonprofit
794 starsAGPL-3.0Updated 31 Oct 2026
streetmix/streetmix
Lets residents and planners design street layouts together in the browser.
751 starsOtherUpdated 2 Nov 2026
hitobito/hitobito
Manages members, group hierarchies and events for clubs, associations and youth organisations.
CRM, Booking, Web, Operations, Nonprofit
485 starsAGPL-3.0Updated 2 Nov 2026
CitizenLabDotCo/citizenlab
Go Vocal community engagement platform for governments to run consultations and surveys.
Civic participation, Forms and surveys, Web, Operations, Government
240 starsOtherUpdated 3 Nov 2026