head to head · open source
mailcheap vs ai-business-skills
mailcheap has 933 GitHub stars, 233 forks, 8 open issues and last shipped today. ai-business-skills has 614 stars, 230 forks, 3 open issues and last shipped 1 months ago. mailcheap leads on adoption by 52% (933 vs 614 stars). mailcheap is written in JavaScript under AGPL-3.0; ai-business-skills is written in PowerShell under MIT. mailcheap has attracted 25% as many forks as stars, ai-business-skills 37%. mailcheap was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 1 topic tag (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
| mailcheap | ai-business-skills | |
|---|---|---|
| GitHub stars | ★ 933 | ★ 614 |
| License | AGPL-3.0 | MIT |
| Written in | JavaScript | PowerShell |
| Last push | 2026-10-15 | 2026-09-12 |
| Forks | ⑂ 233 | ⑂ 230 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick mailcheap if
- You weight community size — 933 stars and counting
- You want the AGPL-3.0 license terms
- Your stack matches JavaScript
- You value the larger contributor base for long-term maintenance
pick ai-business-skills if
- You want the ai-business-skills feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches PowerShell
- You evaluated both and ai-business-skills fits your workflow better
About mailcheap
MailCheap is an open source newsletter application in JavaScript — dashboard, public archive, REST API and MCP server in one Next.js app — for writers, teams and agent builders who want to keep their subscriber list in their own database and pay a sending provider per email instead of paying a platform per subscriber.
read the full mailcheap overview →
About ai-business-skills
ai business skills is an MIT licensed library of 138 bilingual AI marketing skills — 69 Vietnamese plus 69 Global — that installs into AI coding agents such as Claude Code, OpenCode, Codex and VS Code and turns a single marketing request into a routed workflow, written for B2B SMEs in Vietnam, global SMBs and agencies.
read the full ai-business-skills overview →
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Frequently asked questions
Is mailcheap or ai-business-skills more popular?
mailcheap has 933 GitHub stars and ai-business-skills has 614. mailcheap has the larger community by that measure.
Are mailcheap and ai-business-skills free?
Both are open source. mailcheap is licensed under AGPL-3.0 and ai-business-skills under MIT. Neither carries a licence fee.
What is the difference between mailcheap and ai-business-skills?
mailcheap is written in JavaScript and ai-business-skills in PowerShell. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, mailcheap or ai-business-skills?
Choose mailcheap if you want the larger community (933 stars) or its AGPL-3.0 licence terms. Choose ai-business-skills if its feature set, stack or MIT licence fits better. Both are self-hostable.