| Model | Hosting | Code Access | License | Cost | |-------|---------|-------------|---------|------| | | Bitrix servers | No access | Proprietary | Subscription (free tier limited) | | On-Premise (Self-Hosted) | Your own server | Full access to PHP/JS files | Proprietary with source code access | One-time fee + annual support |

(If you’d like, I can tailor this review for a specific industry, company size, or comparison against a named competitor.)

Because you own the environment, you aren't limited by cloud-tier storage or user caps in the same way. It grows as you grow, making it a favorite for scaling teams that want the reliability of without the "black box" limitations of standard software. Is your team ready to move from the cloud to total control? Check out the Bitrix24 Migration Guide to see how to make the switch. Best Free Open‑Source CRM for Business - Bitrix24

It is critical to immediately address the terminology regarding Bitrix24’s licensing to avoid legal and operational misunderstandings.