head to head · open source
Plunk vs useSend
Plunk has 5,573 GitHub stars, 429 forks, 61 open issues and last shipped 2 days ago. useSend has 4,775 stars, 447 forks, 37 open issues and last shipped 3 days ago. Plunk leads on adoption by 17% (5,573 vs 4,775 stars). Plunk is written in TypeScript under AGPL-3.0; useSend is written in TypeScript under AGPL-3.0. Plunk has attracted 8% as many forks as stars, useSend 9%. Plunk 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 20902 open source comparisons
Side by side
| Plunk | useSend | |
|---|---|---|
| GitHub stars | ★ 5.6K | ★ 4.8K |
| License | AGPL-3.0 | AGPL-3.0 |
| Written in | TypeScript | TypeScript |
| Last push | 2026-11-01 | 2026-10-31 |
| Forks | ⑂ 429 | ⑂ 447 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick Plunk if
- You weight community size — 5.6K 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 useSend if
- You want the useSend 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 useSend fits your workflow better
About Plunk
Plunk The Open Source Email Platform Introduction Transactional emails, marketing campaigns, and workflow automation — in one platform. Self hostable, $0.001 per email, no contact limits. An open source, self hosted alternative to tools SendGrid, Resend or Mailgun. Features Transactional Emails : Send emails straight from your API with template support and variable substitution SMTP : Use Plunk as an SMTP relay to send emails from any existing tool or framework Campaigns : Send newsletters and product updates to large audiences Workflows : Create advanced automations with triggers, delays, and conditional logic…
read the full Plunk overview →
About useSend
The Open Source sending infrastructure. Learn more » Discord . Website · Issues About this project As most of email products out there, useSend also uses Amazon SES under the hood to send emails. We provide an open and alternative way to send emails reliably and cheaply with a great dashboard. You can also use useSend manage contacts and send bulk emails(newsletter, product updates etc). We will take care of the subscriptions. Currently we only support emails, but we plan to expand to other sending protocols like SMS, push notification and even whatsapp. We are currently in beta! Features [x] Add domains [x]…
read the full useSend 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 Plunk or useSend more popular?
Plunk has 5,573 GitHub stars and useSend has 4,775. Plunk has the larger community by that measure.
Are Plunk and useSend free?
Both are open source. Plunk is licensed under AGPL-3.0 and useSend under AGPL-3.0. Neither carries a licence fee.
What is the difference between Plunk and useSend?
Plunk is written in TypeScript and useSend 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, Plunk or useSend?
Choose Plunk if you want the larger community (5,573 stars) or its AGPL-3.0 licence terms. Choose useSend if its feature set, stack or AGPL-3.0 licence fits better. Both are self-hostable.