siyuan
b3log.orgA privacy-first, self-hosted, fully open source personal knowledge management software, written in typescript and golang.
- Stars
- 45.6K
- Forks
- 2.9K
- License
- GNU Affero General Public License v3.0
- Last commit
- today
Alternatives
9 alternatives to open-knowledge
These products are placed in Notes, wikis & internal docs alongside open-knowledge. The order reflects how much of open-knowledge’s category footprint each one covers. It is not a ranking, and no company can pay to appear here.
Back to the open-knowledge record →note-gen
notegen.topCapture first. Organize later. A local-first Markdown app that turns scattered records into clear notes with AI.
- Stars
- 12.4K
- Forks
- 939
- License
- GNU General Public License v3.0
- Last commit
- today
claude-obsidian
agricidaniel.comSelf-organizing AI second brain for Obsidian + Claude Code. Drop any source and Claude reads, links, and files it into one connected knowledge graph of plain Markdown you own. AI note-taking, personal knowledge management (PKM), and an open-source Notion alternative. Based on Karpathy's LLM Wiki pattern.
- Stars
- 10.2K
- Forks
- 1.2K
- License
- MIT License
- Last commit
- yesterday
OpenDeepWiki
opendeep.wikiOpenDeepWiki is the open-source version of the DeepWiki project, aiming to provide a powerful knowledge management and collaboration platform. The project is mainly developed using C# and TypeScript, supporting modular d. OpenDeepWiki is open source, written primarily in C#, released under MIT License. Its repository has 3.5K GitHub stars and 438 forks, and was last committed to within the last two weeks. Niched places it in Notes, wikis & internal docs.
- Stars
- 3.5K
- Forks
- 438
- License
- MIT License
- Last commit
- 8 days ago
A personal knowledge base that builds and maintains itself. Drop in sources — Claude (or Codex/Gemini) reads them, extracts knowledge, and maintains a persistent interlinked wiki. Works with Claude Code, Codex, OpenCode, Gemini CLI. No API key needed.
- Stars
- 3.3K
- Forks
- 385
- License
- MIT License
- Last commit
- 3 days ago
Confluence
atlassian.comThe enterprise internal-wiki incumbent.
Notion
notion.soThe mainstream connected workspace reference.
Outline
getoutline.comA leading open source team knowledge base.
Slite
slite.comA major team-knowledge product for smaller companies.
How this list is built
Category placement comes from the classifier and human review, not from a paid submission. A product missing from this page has either not entered the Niched research set or carries no category assignment yet. Absence is never evidence against it. Read the method or submit a missing product.