Open-source Workspace (mail,docs,spreadsheet,drive) web/iOS
Six apps with native protocols (IMAP, CalDAV, WebDAV) in one Docker container.
Notes Server for Markup files
Sheets and charts in markdown is neat, but Obsidian and Notion already own this space.
Self-hosters, small teams wanting private note infrastructure
Obsidian · Notion · Joplin
Six apps with native protocols (IMAP, CalDAV, WebDAV) in one Docker container.
Last-write-wins sync you self-host for $3/mo, but Obsidian/Logseq already own this.
Monte Carlo sampling inside a spreadsheet beats collapsing uncertainty into single scalars.
Vim keybindings feel natural with normal/insert/visual modes and :wq commands.
Formula recalculation survives serialization round-trips for agent workflows.
Self-hosted Obsidian rival with native MCP server and sqlite-vec semantic search built-in.