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Top 15 Alternative OpenSource for COLLABORATION in Community Builders 2025
docmost
docmost
Community buildersDocmost is an open-source collaborative wiki and documentation software. It is an open-source alternative to Confluence and Notion.
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Apache Answer
Apache Answer
Community buildersA Q&A platform software for teams at any scales. Whether it's a community forum, help center, or knowledge management platform, you can always count on Apache Answer.
spacebarchat
spacebarchat
Community builders📬 Spacebar is a free open source selfhostable discord compatible communication platform
vanilla
vanilla
Community buildersVanilla is a powerfully simple discussion forum you can easily customize to make as unique as your community.
zulip
zulip
Community buildersZulip server and web application. Open-source team chat that helps teams stay productive and focused.