head to head · open source
sellbird vs Warpdrive
sellbird has 4,775 GitHub stars, 1,013 forks, 30 open issues and last shipped yesterday. Warpdrive has 588 stars, 12 forks, 0 open issues and last shipped 4 days ago. sellbird leads on adoption by 712% (4,775 vs 588 stars). sellbird is written in Python under AGPL-3.0; Warpdrive is written in TypeScript under MIT. sellbird has attracted 21% as many forks as stars, Warpdrive 2%. sellbird 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
| sellbird | Warpdrive | |
|---|---|---|
| GitHub stars | ★ 4.8K | ★ 588 |
| License | AGPL-3.0 | MIT |
| Written in | Python | TypeScript |
| Last push | 2026-11-07 | 2026-11-04 |
| Forks | ⑂ 1.0K | ⑂ 12 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick sellbird if
- You weight community size — 4.8K stars and counting
- You want the AGPL-3.0 license terms
- Your stack matches Python
- You value the larger contributor base for long-term maintenance
pick Warpdrive if
- You want the Warpdrive feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches TypeScript
- You evaluated both and Warpdrive fits your workflow better
About sellbird
The open source outreach platform that runs on your Claude or ChatGPT plan. Sellbird finds companies that need what you sell, finds the person who decides, checks their email address, writes each one a personal cold email, sends it and handles the replies. It runs on your own machine, and by default nothing goes out until you approve it. Harvey is now Sellbird. Same project, same history, new name. Already running Harvey? Your setup carries over: see Upgrading from Harvey. Prefer not to run it yourself? sellbird.ai is the hosted version, with sending domains, inboxes and warmup set up for you. It's in early…
read the full sellbird overview →
About Warpdrive
warpdrive An open source, self hosted Pipedrive alternative for business development teams. Pipeline management, a deal workspace, contacts, and two way Gmail, running entirely on your own infrastructure. warpdrive reimplements the core business development workflow of Pipedrive as software you run yourself. It is single tenant and self hosted : your own box, your own Postgres and object storage, authenticated with your own Google Workspace. Your customer data never leaves your infrastructure, and there is no per seat bill. The information architecture and workflows follow the tools BD teams already know, but…
read the full Warpdrive overview →
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Frequently asked questions
Is sellbird or Warpdrive more popular?
sellbird has 4,775 GitHub stars and Warpdrive has 588. sellbird has the larger community by that measure.
Are sellbird and Warpdrive free?
Both are open source. sellbird is licensed under AGPL-3.0 and Warpdrive under MIT. Neither carries a licence fee.
What is the difference between sellbird and Warpdrive?
sellbird is written in Python and Warpdrive 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, sellbird or Warpdrive?
Choose sellbird if you want the larger community (4,775 stars) or its AGPL-3.0 licence terms. Choose Warpdrive if its feature set, stack or MIT licence fits better. Both are self-hostable.