OSI-licensed only · self-hostable

Open-Source Bitrix24 Alternatives (2026)

Bitrix24 is a proprietary suite that combines CRM, tasks, chat, file sharing and more. No single open-source project matches every module, but you can assemble an equivalent from CRM, project and file tools you host yourself.

Every tool below is under an OSI-approved licence (LGPL-3.0, GPL-3.0, AGPL-3.0), checked against its repository. Twenty includes some commercially licensed enterprise files; see its entry.

Licences checked against each repository on November 7, 2026.

What you're replacing

  • •CRM, leads and sales pipeline
  • •Tasks and project tracking
  • •Team collaboration and file sharing
  • •Business apps such as invoicing and HR

At a glance

ToolBest forLicenceRuns as
OdooAll-in-one business suiteLGPL-3.0Docker
ERPNextERP-style company managementGPL-3.0Docker
EspoCRMStraightforward CRMAGPL-3.0Docker
SuiteCRMFeature-rich CRMAGPL-3.0Server
Frappe CRMSimple CRM for sales teamsAGPL-3.0Docker
TwentyModern CRMAGPL-3.0Docker
NextcloudFiles and collaborationAGPL-3.0Server
OpenProjectTasks and projectsGPL-3.0Docker

1. Odoo

LGPL-3.0

Best for: All-in-one business suite

Open-source apps to grow your business, published under LGPL-3.0.

Strengths

  • + CRM plus many other business apps
  • + Modern interface
  • + Customisable

Trade-offs

  • − Some editions add paid components
  • − Complex to configure

2. ERPNext

GPL-3.0

Best for: ERP-style company management

A free, open-source ERP covering accounting, order management, manufacturing, asset management and project tracking.

Strengths

  • + Broad modules
  • + Open source
  • + Active

Trade-offs

  • − ERP heavy for CRM-only use
  • − Learning curve

3. EspoCRM

AGPL-3.0

Best for: Straightforward CRM

A free, open-source CRM platform for managing leads, contacts, sales, marketing and support cases.

Strengths

  • + Clean CRM focus
  • + Self-hostable
  • + AGPL-3.0

Trade-offs

  • − No built-in team chat
  • − Fewer collaboration tools

4. SuiteCRM

AGPL-3.0

Best for: Feature-rich CRM

A free, open-source CRM application that anyone can use, self-host and modify.

Strengths

  • + Mature CRM
  • + Self-hostable
  • + AGPL-3.0

Trade-offs

  • − Dated interface
  • − PHP stack to maintain

5. Frappe CRM

AGPL-3.0

Best for: Simple CRM for sales teams

A low-cost, open-source CRM for sales teams of any size, with no user limits.

Strengths

  • + No user limits
  • + Modern interface
  • + AGPL-3.0

Trade-offs

  • − Narrower than Bitrix24
  • − Needs Frappe stack

6. Twenty

AGPL-3.0

Best for: Modern CRM

Describes itself as the open alternative to Salesforce, designed for AI. The project is mostly AGPL-3.0, but files marked Enterprise are under a commercial licence.

Strengths

  • + Modern CRM interface
  • + Self-hostable
  • + Mostly AGPL-3.0

Trade-offs

  • − Some enterprise files are commercial
  • − Younger project

7. Nextcloud

AGPL-3.0

Best for: Files and collaboration

A self-hosted platform for storing, syncing and sharing files and other data.

Strengths

  • + Strong file sharing
  • + Self-hosted
  • + AGPL-3.0

Trade-offs

  • − Not a CRM
  • − Apps vary in polish

8. OpenProject

GPL-3.0

Best for: Tasks and projects

A self-hostable, open source project management tool covering planning, agile boards and issue tracking.

Strengths

  • + Gantt and boards
  • + Self-hostable
  • + GPL-3.0

Trade-offs

  • − No CRM
  • − Some features are paid

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How to choose

If you need…Start with
One suite for everythingOdoo
CRM onlyEspoCRM or SuiteCRM
Modern sales CRMTwenty or Frappe CRM
Files and sharingNextcloud
Project managementOpenProject

Open-source Bitrix24 alternatives: FAQ

Quick answers to common questions

Is there an open-source version of Bitrix24?

Bitrix24 is proprietary. Odoo is the closest all-in-one open-source suite.

What is the best open-source Bitrix24 CRM alternative?

EspoCRM, SuiteCRM and Frappe CRM are straightforward choices.

Is Twenty fully open source?

Mostly. It is AGPL-3.0 but files marked Enterprise are under a commercial licence.

Can I self-host a Bitrix24 alternative?

Yes. All of the above can run on your own server.

Can I migrate CRM data from Bitrix24?

Usually through CSV exports and each tool's import features. Test with a copy first.

Maintain an open-source Bitrix24 alternative?

List it on TechLogHub and we'll review it for this page.

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