head to head · open source
devdocs vs pg-aiguide
devdocs has 39,596 GitHub stars, 2,656 forks, 196 open issues and last shipped yesterday. pg-aiguide has 1,881 stars, 120 forks, 8 open issues and last shipped 6 days ago. devdocs leads on adoption by 2,005% (39,596 vs 1,881 stars). devdocs is written in Ruby under MPL-2.0; pg-aiguide is written in Python under Apache-2.0. devdocs has attracted 7% as many forks as stars, pg-aiguide 6%. devdocs was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 2 topic tags (docs, 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.
← all 20902 open source comparisons
Side by side
| devdocs | pg-aiguide | |
|---|---|---|
| GitHub stars | ★ 40K | ★ 1.9K |
| License | MPL-2.0 | Apache-2.0 |
| Written in | Ruby | Python |
| Last push | 2026-11-02 | 2026-10-28 |
| Forks | ⑂ 2.7K | ⑂ 120 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick devdocs if
- You weight community size — 40K stars and counting
- You want the MPL-2.0 license terms
- Your stack matches Ruby
- 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 devdocs
DevDocs — API Documentation Browser DevDocs combines multiple developer documentations in a clean and organized web UI with instant search, offline support, mobile version, dark theme, keyboard shortcuts, and more. DevDocs was created by Thibaut Courouble and is operated by freeCodeCamp. We are currently searching for maintainers Please reach out to the community on Discord if you would like to join the team! Keep track of development news: Join the contributors chat room on Discord Watch the repository on GitHub Table of Contents: Quick Start · Vision · App · Scraper · Commands · Contributing · Documentation ·…
read the full devdocs overview →
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…
read the full pg-aiguide overview →
More in Content & Publishing
Related comparisons
More Documentation & Knowledge Base projects
Compare either of these against the rest of the Documentation & Knowledge Base field.
Frequently asked questions
Is devdocs or pg-aiguide more popular?
devdocs has 39,596 GitHub stars and pg-aiguide has 1,881. devdocs has the larger community by that measure.
Are devdocs and pg-aiguide free?
Both are open source. devdocs is licensed under MPL-2.0 and pg-aiguide under Apache-2.0. Neither carries a licence fee.
What is the difference between devdocs and pg-aiguide?
devdocs is written in Ruby 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, devdocs or pg-aiguide?
Choose devdocs if you want the larger community (39,596 stars) or its MPL-2.0 licence terms. Choose pg-aiguide if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.