ONLYOFFICE/CommunityServer

Free open source office suite with business productivity tools: document and project management, CRM, mail aggregator.

collaborationcrmcsharpdmsdocument-managementfile-sharingonlyofficeproject-managementtsql

License & maintenance

Apache-2.0 is a permissive license: free to use commercially with attribution.

Last code push 5 months ago.

	Repository	Stars	Language	License	Activity
1	nextcloud/server☁️ Nextcloud server, a safe home for all your data	★ 37.2k	PHP	AGPL-3.0	Active
2	hcengineering/platformHuly — All-in-One Project Management Platform (alternative to Linear, Jira, Slack, Notion, Motion)	★ 27.9k	TypeScript	EPL-2.0	Active
3	mattermost-community/focalboardFocalboard is an open source, self-hosted alternative to Trello, Notion, and Asana.	★ 26.5k	TypeScript	Other	Slowing
4	haiwen/seafileBeyond file syncing and sharing, a new way to organize your files with extensible file properties and flexible views	★ 15.3k	C	Other	Active
5	plankanban/plankaElegant open source project tracking. Self-hosted Kanban for teams — free Community edition, with PLANKA Pro for organisations.	★ 12.6k	JavaScript	Other	Active
6	kalcaddle/KodExplorerA web based file manager,web IDE / browser based code editor	★ 6.4k	PHP	—	Active
7	excalidraw/excalidrawVirtual whiteboard for sketching hand-drawn like diagrams	★ 134.1k	TypeScript	MIT	Active
8	AppFlowy-IO/AppFlowyBring projects, wikis, and teams together with AI. AppFlowy is the AI collaborative workspace where you achieve more without losing control	★ 77.5k	Dart	AGPL-3.0	Active