head to head · open source
useSend vs AgentMail
useSend has 4,686 GitHub stars, 421 forks, 37 open issues and last shipped 10 days ago. AgentMail has 38 stars, 17 forks, 3 open issues and last shipped 2 days ago. useSend leads on adoption by 12,232% (4,686 vs 38 stars). useSend is written in TypeScript under AGPL-3.0; AgentMail is written in TypeScript under MIT. useSend has attracted 9% as many forks as stars, AgentMail 45%. AgentMail 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.
← all 8884 open source comparisons
Side by side
| useSend | AgentMail | |
|---|---|---|
| GitHub stars | ★ 4.7K | ★ 38 |
| License | AGPL-3.0 | MIT |
| Written in | TypeScript | TypeScript |
| Last push | 2026-09-08 | 2026-09-16 |
| Forks | ⑂ 421 | ⑂ 17 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick useSend if
- You weight community size — 4.7K stars and counting
- You want the AGPL-3.0 license terms
- Your stack matches TypeScript
- You value the larger contributor base for long-term maintenance
pick AgentMail if
- You want the AgentMail feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches TypeScript
- You evaluated both and AgentMail fits your workflow better
About useSend
useSend is open source sending infrastructure, positioned directly as an alternative to Resend, Sendgrid and Postmark, and written in TypeScript under the AGPL 3.0 license. It lives in the email and communication ecosystem, filed under Productivity & Utilities / Email & Communication. Like most email products on the market, it uses Amazon SES under the hood to transmit messages, and it wraps that delivery layer in an open dashboard for sending reliably and cheaply. The project's stated premise is simple: pay per email sent, rather than paying for contact storage. The repository carries 4676 stars, 421 forks and 3…
read the full useSend overview →
About AgentMail
AgentMail is a TypeScript client library and inbox API for AI agents and workflows, aimed at developers who need to give agents their own email inboxes rather than route everything through a human mailbox.
read the full AgentMail overview →
More in Productivity & Utilities
Related comparisons
More Email & Communication projects
Compare either of these against the rest of the Email & Communication field.
Frequently asked questions
Is useSend or AgentMail more popular?
useSend has 4,686 GitHub stars and AgentMail has 38. useSend has the larger community by that measure.
Are useSend and AgentMail free?
Both are open source. useSend is licensed under AGPL-3.0 and AgentMail under MIT. Neither carries a licence fee.
What is the difference between useSend and AgentMail?
useSend is written in TypeScript and AgentMail 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, useSend or AgentMail?
Choose useSend if you want the larger community (4,686 stars) or its AGPL-3.0 licence terms. Choose AgentMail if its feature set, stack or MIT licence fits better. Both are self-hostable.