AppFlowyOrganise notes, project documents and database views in a workspace you control.
Free and open source (AGPL-3.0 licence per GitHub).
Personal knowledge bases
Free alternatives to Confluence
Find a free app for the parts of Confluence you actually use.
Compare the free allowance and limitations on each app’s page. These are workflow alternatives, rather than identical copies.
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OutlineWrite, organise and share a searchable knowledge base for your team.
Source published on GitHub under a custom/non-standard licence (GitHub shows no standard SPDX id); check terms for commercial use.