is it really FOSS?

Twenty

A customer relationship management platform

Issues exist
There's some FOSS code here, but there are licensing, marketing or transparency issues.

Details

The project is provided under a license which appears primarily AGPLv3, but there’s also “Commercial License” terms, after the APLGv3 text, which applies to files which contain a specific comment string. The “Commercial License” is not FOSS since it limits use, modification & distribution.

The method of designating the code under the “Commercial License” makes it difficult to understand what elements are intended to be under AGPLv3/FOSS terms since you’d have to check each file containing such a comment to understand their use.

No clear guidance to the “Commercial License” features could be found, but from a search of the files these seem primarily related to billing and authentication/SSO.

Based on a quick sample check, the FOSS appears to depend upon the non-FOSS code. This can be seen in this function in a “Commercial License” file which is used here, in an AGPLv3 licensed file.

The project prominently advertises itself as “The #1 Open-Source CRM” on its homepage and project readme. On their homepage they emphasise being open source under the GPL:

The Power of Open Source Twenty is GPL-licensed. It means you own, not rent, the software. You get the simplicity of SaaS, with the freedom and cost savings of Open Source.

There’s no mention of the non-FOSS license within the readme or homepage, where these statements are show.

The project appears to have received at least $5m in funding from investors including Runa Capital and YC. They appear to generate revenue from selling their software as a service with support offerings.

Details last reviewed 2025-06-25. Our reviews are performed manually, without legal expertise, and therefore may be inaccurate or missing detail relevant for your use. Please don't treat this as legal guidance or assurance of any kind.

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