head to head · open source
pg-aiguide vs OpenContext
pg-aiguide has 1,848 GitHub stars, 109 forks, 8 open issues and last shipped 4 days ago. OpenContext has 1,192 stars, 76 forks, 8 open issues and last shipped 3 months ago. pg-aiguide leads on adoption by 55% (1,848 vs 1,192 stars). pg-aiguide is written in Python under Apache-2.0; OpenContext is written in JavaScript under MIT. pg-aiguide has attracted 6% as many forks as stars, OpenContext 6%. pg-aiguide was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 2 topic tags (ai, ai-agents), 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
| pg-aiguide | OpenContext | |
|---|---|---|
| GitHub stars | ★ 1.8K | ★ 1.2K |
| License | Apache-2.0 | MIT |
| Written in | Python | JavaScript |
| Last push | 2026-09-16 | 2026-06-16 |
| Forks | ⑂ 109 | ⑂ 76 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick pg-aiguide if
- You weight community size — 1.8K stars and counting
- You want the Apache-2.0 license terms
- Your stack matches Python
- You value the larger contributor base for long-term maintenance
pick OpenContext if
- You want the OpenContext feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches JavaScript
- You evaluated both and OpenContext fits your workflow better
About pg-aiguide
pg aiguide is an Apache 2.0 MCP server and Claude Code plugin that gives AI coding agents version aware PostgreSQL documentation and curated best practice skills, built for developers and teams whose assistants write outdated or incomplete Postgres code.
read the full pg-aiguide overview →
About OpenContext
OpenContext is a personal context store for AI agents and assistants that reuses an existing coding agent CLI such as Codex, Claude, or OpenCode, adding built in Skills and tools plus a desktop GUI to capture, search, and reuse project knowledge across agents and repositories.
read the full OpenContext overview →
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Frequently asked questions
Is pg-aiguide or OpenContext more popular?
pg-aiguide has 1,848 GitHub stars and OpenContext has 1,192. pg-aiguide has the larger community by that measure.
Are pg-aiguide and OpenContext free?
Both are open source. pg-aiguide is licensed under Apache-2.0 and OpenContext under MIT. Neither carries a licence fee.
What is the difference between pg-aiguide and OpenContext?
pg-aiguide is written in Python and OpenContext in JavaScript. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, pg-aiguide or OpenContext?
Choose pg-aiguide if you want the larger community (1,848 stars) or its Apache-2.0 licence terms. Choose OpenContext if its feature set, stack or MIT licence fits better. Both are self-hostable.