head to head · open source
SuiteCRM vs sellbird
SuiteCRM has 5,852 GitHub stars, 2,441 forks, 1,382 open issues and last shipped 4 days ago. sellbird has 4,775 stars, 1,013 forks, 30 open issues and last shipped yesterday. SuiteCRM leads on adoption by 23% (5,852 vs 4,775 stars). SuiteCRM is written in PHP under AGPL-3.0; sellbird is written in Python under AGPL-3.0. SuiteCRM has attracted 42% as many forks as stars, sellbird 21%. 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
| SuiteCRM | sellbird | |
|---|---|---|
| GitHub stars | ★ 5.9K | ★ 4.8K |
| License | AGPL-3.0 | AGPL-3.0 |
| Written in | PHP | Python |
| Last push | 2026-11-04 | 2026-11-07 |
| Forks | ⑂ 2.4K | ⑂ 1.0K |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick SuiteCRM if
- You weight community size — 5.9K stars and counting
- You want the AGPL-3.0 license terms
- Your stack matches PHP
- You value the larger contributor base for long-term maintenance
pick sellbird if
- You want the sellbird feature set and don't need the biggest community
- You prefer the AGPL-3.0 license terms
- Your stack matches Python
- You evaluated both and sellbird fits your workflow better
About SuiteCRM
SuiteCRM 7.15.2 Website Demo Maintainers Contributors Community Forum Partners Extensions Directory Translations SuiteCRM is the award winning open source, enterprise ready Customer Relationship Management (CRM) software application. Our vision is to be the most adopted open source enterprise CRM in the world, giving users full control of their data and freedom to own and customise their business solution. SuiteCRM 7 is a mature and stable CRM with a large community and regular releases containing new features, security patches and bug fixes from both our community and the SuiteCRM team. You may also be…
read the full SuiteCRM overview →
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 →
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Frequently asked questions
Is SuiteCRM or sellbird more popular?
SuiteCRM has 5,852 GitHub stars and sellbird has 4,775. SuiteCRM has the larger community by that measure.
Are SuiteCRM and sellbird free?
Both are open source. SuiteCRM is licensed under AGPL-3.0 and sellbird under AGPL-3.0. Neither carries a licence fee.
What is the difference between SuiteCRM and sellbird?
SuiteCRM is written in PHP and sellbird 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, SuiteCRM or sellbird?
Choose SuiteCRM if you want the larger community (5,852 stars) or its AGPL-3.0 licence terms. Choose sellbird if its feature set, stack or AGPL-3.0 licence fits better. Both are self-hostable.