Free alternatives to Notion
15 options. Our picks from the 50 Free Tools Kit, then more open source options listed by OpenAlternative.
Our picks
Install / Server
AppFlowy
Notes, tasks and databases, with optional AI and your data under your control.
Open source.
Install
Obsidian
Notes stored as local Markdown files, with links between ideas.
Free; sync is optional and paid.
More open source options
MemosSelf-hosted timeline for quick notes, logs, and snippetsJoplinEncrypted note-taking that syncs across all your devicesSiYuanPrivacy-first knowledge management with block-level linkingLogseqPrivacy-first knowledge base that connects your notesOutlineFast, collaborative wiki for teams who need organized docsOpen-NotebookAI-powered research notebook with full privacy controlKhojAI second brain for research, automation, and personal agentsKeePassXCCross-platform, secure password managerDocmostSelf-hosted wiki with AI, compliance, and real-time editingTolariaLocal-first, Git-native personal knowledge base with AISurfSensePrivacy-first knowledge base with any AI model you chooseZoteroCollect, organize, cite, and share research in one place
Browse the full category: Note Taking & Knowledge Management
Browse the full category: Documentation & Knowledge Base