head to head · open source
pg-aiguide vs OpenContext
pg-aiguide has 1,881 GitHub stars, 120 forks, 8 open issues and last shipped yesterday. OpenContext has 1,278 stars, 84 forks, 8 open issues and last shipped 5 months ago. pg-aiguide leads on adoption by 47% (1,881 vs 1,278 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 7%. 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 | ★ 1.9K | ★ 1.3K |
| License | Apache-2.0 | MIT |
| Written in | Python | JavaScript |
| Last push | 2026-11-03 | 2026-06-16 |
| Forks | ⑂ 120 | ⑂ 84 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick pg-aiguide if
- You weight community size — 1.9K 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 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 →
About OpenContext
Give your AI assistant a persistent memory. Stop repeating yourself. Start building smarter. Bring your own coding agent. OpenContext reuses your existing CLI (Codex/Claude/OpenCode) and adds a GUI + built in Skills/tools — no extra agent subscription. 🌐 Website · 📖 Usage Guide · ⬇️ Download Desktop 中文文档 The Problem When you use an AI assistant to build things, context gets lost (across days, repos, chats). You end up re explaining background, repeating decisions, and sometimes the assistant continues with the wrong assumptions. Most tools stop at storage and don't plug into the coding agent you already use…
read the full OpenContext overview →
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Frequently asked questions
Is pg-aiguide or OpenContext more popular?
pg-aiguide has 1,881 GitHub stars and OpenContext has 1,278. 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 (1,881 stars) or its Apache-2.0 licence terms. Choose OpenContext if its feature set, stack or MIT licence fits better. Both are self-hostable.