head to head · open source
marketingskills vs MailAccess
marketingskills has 54,784 GitHub stars, 8,115 forks, 154 open issues and last shipped yesterday. MailAccess has 1,612 stars, 143 forks, 3 open issues and last shipped yesterday. marketingskills leads on adoption by 3,299% (54,784 vs 1,612 stars). marketingskills is written in JavaScript under MIT; MailAccess is written in Python under MIT. marketingskills has attracted 15% as many forks as stars, MailAccess 9%. marketingskills was the more recently maintained of the two, and both are self-hostable with no licence fee.
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
| marketingskills | MailAccess | |
|---|---|---|
| GitHub stars | ★ 55K | ★ 1.6K |
| License | MIT | MIT |
| Written in | JavaScript | Python |
| Last push | 2026-10-14 | 2026-10-14 |
| Forks | ⑂ 8.1K | ⑂ 143 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick marketingskills if
- You weight community size — 55K stars and counting
- You want the MIT license terms
- Your stack matches JavaScript
- You value the larger contributor base for long-term maintenance
pick MailAccess if
- You want the MailAccess feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches Python
- You evaluated both and MailAccess fits your workflow better
About marketingskills
marketingskills is a free, MIT licensed collection of marketing skills for Claude Code, OpenAI Codex, Cursor, Windsurf, and any agent that supports the Agent Skills spec, aimed at technical marketers and founders who want AI coding agents to handle conversion optimization, copywriting, SEO, analytics, and growth engineering.
read the full marketingskills overview →
About MailAccess
MailAccess is a free, self hostable email OSINT platform, shipped on PyPI as mailaccess , that fans a single address out across breach databases, social networks, DNS records, and the open web and returns a unified exposure score, built for security researchers, OSINT analysts, and penetration testers working under authorization.
read the full MailAccess overview →
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Frequently asked questions
Is marketingskills or MailAccess more popular?
marketingskills has 54,784 GitHub stars and MailAccess has 1,612. marketingskills has the larger community by that measure.
Are marketingskills and MailAccess free?
Both are open source. marketingskills is licensed under MIT and MailAccess under MIT. Neither carries a licence fee.
What is the difference between marketingskills and MailAccess?
marketingskills is written in JavaScript and MailAccess 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, marketingskills or MailAccess?
Choose marketingskills if you want the larger community (54,784 stars) or its MIT licence terms. Choose MailAccess if its feature set, stack or MIT licence fits better. Both are self-hostable.