head to head · open source
wiki vs pg-aiguide
wiki has 28,938 GitHub stars, 3,314 forks, 182 open issues and last shipped today. pg-aiguide has 1,843 stars, 108 forks, 8 open issues and last shipped 2 days ago. wiki leads on adoption by 1,470% (28,938 vs 1,843 stars). wiki is written in Vue under AGPL-3.0; pg-aiguide is written in Python under Apache-2.0. wiki has attracted 11% as many forks as stars, pg-aiguide 6%. wiki was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 1 topic tag (documentation), so they are genuine substitutes rather than adjacent tools.
Two open source projects, one decision. Both are free and self-hostable — the differences are community size, license terms, language stack and release pace.
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Side by side
| wiki | pg-aiguide | |
|---|---|---|
| GitHub stars | ★ 29K | ★ 1.8K |
| License | AGPL-3.0 | Apache-2.0 |
| Written in | Vue | Python |
| Last push | 2026-09-18 | 2026-09-16 |
| Forks | ⑂ 3.3K | ⑂ 108 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick wiki if
- You weight community size — 29K stars and counting
- You want the AGPL-3.0 license terms
- Your stack matches Vue
- You value the larger contributor base for long-term maintenance
pick pg-aiguide if
- You want the pg-aiguide feature set and don't need the biggest community
- You prefer the Apache-2.0 license terms
- Your stack matches Python
- You evaluated both and pg-aiguide fits your workflow better
About wiki
Wiki.js is a modern, lightweight wiki application built on NodeJS and distributed as open source under the AGPL 3.0 licence, aimed at teams and organisations that want to publish and maintain their own documentation and knowledge base rather than renting a hosted one.
About pg-aiguide
pg aiguide AI optimized PostgreSQL expertise for coding assistants pg aiguide helps AI coding tools write dramatically better PostgreSQL code. It provides: Semantic search across the official PostgreSQL manual (version aware) AI optimized “skills” — curated, opinionated Postgres best practices used automatically by AI agents Extension ecosystem docs , starting with TimescaleDB, with more coming soon Use it as: Agent Skills via npx skills — works with Claude Code, Cursor, Codex, Gemini CLI, and 40+ other agents a public MCP server that can be used with any AI coding agent, or a Claude Code plugin optimized for use…
read the full pg-aiguide overview →
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Frequently asked questions
Is wiki or pg-aiguide more popular?
wiki has 28,938 GitHub stars and pg-aiguide has 1,843. wiki has the larger community by that measure.
Are wiki and pg-aiguide free?
Both are open source. wiki is licensed under AGPL-3.0 and pg-aiguide under Apache-2.0. Neither carries a licence fee.
What is the difference between wiki and pg-aiguide?
wiki is written in Vue and pg-aiguide in Python. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, wiki or pg-aiguide?
Choose wiki if you want the larger community (28,938 stars) or its AGPL-3.0 licence terms. Choose pg-aiguide if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.