head to head · open source
mex vs PromptHub
mex has 1,703 GitHub stars, 131 forks, 53 open issues and last shipped yesterday. PromptHub has 1,670 stars, 193 forks, 42 open issues and last shipped 20 days ago. mex leads on adoption by 2% (1,703 vs 1,670 stars). mex is written in TypeScript under MIT; PromptHub is written in TypeScript under AGPL-3.0. mex has attracted 8% as many forks as stars, PromptHub 12%. mex was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 2 topic tags (cli-tool, llm), 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
| mex | PromptHub | |
|---|---|---|
| GitHub stars | ★ 1.7K | ★ 1.7K |
| License | MIT | AGPL-3.0 |
| Written in | TypeScript | TypeScript |
| Last push | 2026-09-24 | 2026-09-05 |
| Forks | ⑂ 131 | ⑂ 193 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick mex if
- You weight community size — 1.7K stars and counting
- You want the MIT license terms
- Your stack matches TypeScript
- You value the larger contributor base for long-term maintenance
pick PromptHub if
- You want the PromptHub feature set and don't need the biggest community
- You prefer the AGPL-3.0 license terms
- Your stack matches TypeScript
- You evaluated both and PromptHub fits your workflow better
About mex
MEX is an MIT licensed, TypeScript based tool that gives engineering teams and their coding agents a shared project memory kept as readable Markdown inside the repository and shared through ordinary Git commits, pushes, and pulls.
About PromptHub
PromptHub is an open source, local first desktop workbench for managing prompts, SKILL.md files and agent assets, aimed at individual developers and small teams who work across several AI coding tools and want that material to stay on their own machines.
read the full PromptHub overview →
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Frequently asked questions
Is mex or PromptHub more popular?
mex has 1,703 GitHub stars and PromptHub has 1,670. mex has the larger community by that measure.
Are mex and PromptHub free?
Both are open source. mex is licensed under MIT and PromptHub under AGPL-3.0. Neither carries a licence fee.
What is the difference between mex and PromptHub?
mex is written in TypeScript and PromptHub in TypeScript. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, mex or PromptHub?
Choose mex if you want the larger community (1,703 stars) or its MIT licence terms. Choose PromptHub if its feature set, stack or AGPL-3.0 licence fits better. Both are self-hostable.