Bitrix24 Open Source -

The on-premise version includes all the core Bitrix24 tools plus enterprise-specific modules:

Gantt charts, Kanban boards, and workload management.

The self-hosted edition is preferred by large enterprises and businesses with strict security or customization needs for several reasons: bitrix24 open source

Includes AD/LDAP integration, Single Sign-On (SSO), and MS Exchange synchronization. Best Open Source Alternatives to Bitrix24

A standard SaaS solution where the vendor handles hosting and updates. It is ready to use immediately but does not allow backend code modifications. The on-premise version includes all the core Bitrix24

This is the version often referred to as "open source." While it is not "free" software (it requires a commercial license), it provides the full PHP source code . This allows you to host the platform on your own servers and customize every module, from the CRM to the HR tools. Why Choose the Bitrix24 Open Source Edition?

With access to the source code, PHP, and JavaScript, you can change the UI to match your corporate branding or develop entirely new modules. It is ready to use immediately but does

While the upfront license fee is higher, the annual renewal is typically only 50% of the original price . This can be cheaper over many years compared to monthly per-user cloud subscriptions. Key Features Available in the Self-Hosted Version

You host the data on your own servers (or a private cloud), which is vital for industries like healthcare, finance, or government that have strict data privacy laws.

Understanding the difference is critical for developers and IT managers: