How we review: Ratings are editorial scores based on vendor documentation, published pricing and recurring themes in public user reviews. No vendor paid for placement and we earn no affiliate commission. Prices change often — confirm on each vendor's site.
The best open source CRM for most teams in 2026 is SuiteCRM if you want a full Salesforce-style feature set, EspoCRM if you want a fast, clean system that is easy to run, and Twenty if your developers want a modern stack. Odoo CRM is the pick when you also need ERP.
Open-source CRMs remove per-user license fees and give you full control of your data and code. They also shift hosting, security and upgrades onto you. If you need finance, inventory or HR too, compare them with open-source ERP systems. Below we review 10 options with an eye on real-world running costs.
Quick picks: the best open source CRM platforms
All ten platforms, with their best fit and how you can get started.
| Tool | Best for | Starting price* |
|---|---|---|
| SuiteCRM | Salesforce-style CRM without license fees | Free self-hosted (AGPL-3.0) |
| Odoo CRM | CRM inside a modular ERP | Free Community edition |
| EspoCRM | Fast, clean CRM with good docs | Free self-hosted (AGPL-3.0) |
| Twenty | Modern, developer-friendly CRM | Free self-hosted (AGPL-3.0) |
| Vtiger CRM (Open Source Edition) | Mature community-backed CRM | Free open-source edition |
| Frappe CRM | Lean sales CRM, pairs with ERPNext | Free self-hosted |
| Krayin CRM | Laravel developers building custom CRM | Free (MIT) |
| YetiForce | Feature-dense CRM for technical teams | Free open-source core |
| OroCRM | B2B customization and commerce | Free open-source edition |
| Dolibarr ERP & CRM | Simple CRM plus invoicing | Free (GPL-3.0) |
*Prices checked October 2026 on vendor sites and recent reviews; they change often, so confirm on the vendor’s pricing page.
How we chose and rated these tools
We rated each open source CRM on five weighted criteria: features and fit for sales and support teams (30%), ease of use and installation (20%), pricing and value including hosting and paid extensions (20%), integrations and API (15%), and support, community health and reliability (15%).
Ratings are editorial scores based on vendor documentation, published pricing, project activity and common themes in public user reviews on G2 and Capterra. They are not paid placements and not lab benchmarks. Prices for hosted plans and extensions were checked in October 2026.
The 10 best open source CRM platforms in 2026
1. SuiteCRM — best for teams that want Salesforce-style enterprise CRM without per-user license fees
SuiteCRM, maintained by SalesAgility, grew out of the SugarCRM Community Edition and is one of the most complete open-source CRMs. It covers sales, marketing, service, workflows, reporting and a customer portal.
SuiteCRM 8 introduced a modernized interface, though many installations still run the 7.x line, so check compatibility of any extensions you plan to use.
Key features
- Accounts, contacts, leads and opportunities
- Workflow automation and reports
- Campaigns and email marketing
- Case management and customer portal
- Studio for custom fields and modules
Pricing: SuiteCRM is free to self-host under AGPL-3.0; paid hosting and support are available from the vendor. Visit SuiteCRM
Pros
- Very broad feature set
- No per-user fees
- Large community and partner network
Cons
- Interface feels heavier than newer tools
- Upgrades and customizations need care
What users say: Reviewers often praise the depth of features and the freedom to customize. Common complaints mention a dated feel, performance tuning on larger datasets and effort to upgrade customized installs.
2. Odoo CRM — best for teams that want CRM inside a modular open-source ERP suite
Odoo CRM is a clean pipeline-focused CRM within the wider Odoo suite. You can add sales, invoicing, inventory, helpdesk and more on the same database.
Key features
- Kanban sales pipeline
- Lead scoring and assignment
- Quotes and sales orders in one flow
- Connects to every Odoo app
Pricing: Odoo Community is free; Odoo Online offers a free One App plan, with paid plans for more apps and Enterprise features; see the vendor. Visit Odoo CRM
Pros
- Grows into full ERP
- Modern, friendly interface
Cons
- Some features are Enterprise-only
- Customization needs Odoo expertise
What users say: Users like the pipeline view and integration with other Odoo apps. Complaints usually concern the gap between Community and Enterprise and the cost of implementation partners.
3. EspoCRM — best for teams that want a fast, clean CRM with strong docs and extensions
EspoCRM is a lightweight PHP CRM known for a responsive single-page interface and clear documentation. It is easy to install and customize without code using its entity manager.
Key features
- No-code entity and layout manager
- Email integration and calendar
- REST API
- Paid extensions for advanced workflows and sales
Pricing: EspoCRM is free to self-host under AGPL-3.0; paid Cloud plans and extensions are available; see the vendor. Visit EspoCRM
Pros
- Fast and lightweight
- Excellent documentation
- Easy to customize
Cons
- Advanced workflows are paid extensions
- Smaller ecosystem than SuiteCRM
What users say: Reviewers often praise speed and ease of setup. A common complaint is that key automation features require paid add-ons.
4. Twenty — best for startups and SMEs that want a modern, developer-friendly Salesforce alternative
Twenty is a newer open-source CRM built with a modern TypeScript stack and a spreadsheet-like interface. It is designed to be extended by developers through its data model and APIs.
Key features
- Customizable objects and fields
- GraphQL and REST APIs
- Kanban and table views
- Docker-based self-hosting
Pricing: Twenty is free to self-host under AGPL-3.0; a paid cloud version is available; see the vendor. Visit Twenty
Pros
- Modern UX
- Developer-friendly stack
Cons
- Younger project with fewer built-in modules
- Features still maturing
What users say: Users like the clean design and API-first approach. Common complaints mention missing features compared with mature CRMs.
5. Vtiger CRM (Open Source Edition) — best for sales and support teams that want a mature community-backed CRM
Vtiger’s Open Source Edition is a long-established CRM covering sales, marketing and support. The vendor’s cloud product is more actively developed and feature-rich than the open-source edition.
Key features
- Sales pipeline and quotes
- Help desk tickets
- Email campaigns
- Module customization
Pricing: The open-source edition is free; paid cloud plans are available; see the vendor. Visit Vtiger CRM (Open Source Edition)
Pros
- Mature, stable feature set
- Covers sales and support
Cons
- Open-source edition lags the cloud product
- Interface looks dated
What users say: Reviewers value its breadth. Complaints point to slower updates for the open-source edition.
6. Frappe CRM — best for lean sales teams on the Frappe framework, especially those pairing it with ERPNext
Frappe CRM is a modern, focused sales CRM from Frappe Technologies, the team behind ERPNext. It runs on the Frappe framework and integrates naturally with ERPNext.
Key features
- Leads and deals with Kanban views
- Email and call logging
- Integration with ERPNext
- Customizable via Frappe framework
Pricing: Frappe CRM is free to self-host; Frappe Cloud hosting is available; see the vendor. Visit Frappe CRM
Pros
- Clean modern interface
- Strong ERPNext pairing
Cons
- Narrower scope than SuiteCRM
- Best with Frappe expertise
What users say: Users like the simplicity and ERPNext link. Complaints mention a smaller feature set for marketing and service.
7. Krayin CRM — best for Laravel and PHP developers building a customized CRM
Krayin is an MIT-licensed CRM from Webkul built on Laravel and Vue. It is a good foundation for developers who want to build a tailored CRM.
Key features
- Leads, contacts and pipelines
- Email integration
- Laravel-based extensibility
- Paid extensions
Pricing: Krayin is free under the MIT license; paid extensions are available; see the vendor. Visit Krayin CRM
Pros
- Permissive license
- Familiar Laravel stack
Cons
- Less out-of-the-box depth
- Smaller community
What users say: Developers praise the clean codebase. Complaints mention gaps that require custom work.
8. YetiForce — best for teams with in-house developers that want a feature-dense CRM
YetiForce is a feature-rich open-source CRM, originally forked from Vtiger, with many modules for sales, projects, support and more.
Key features
- Large number of modules
- Detailed permissions
- Workflows
- Self-hosting options
Pricing: YetiForce has a free open-source core; paid support and hosting are available; see the vendor. Visit YetiForce
Pros
- Extensive functionality
- Granular access control
Cons
- Complex for small teams
- Steep learning curve
What users say: Reviewers note its breadth. Complaints focus on complexity and configuration effort.
9. OroCRM — best for B2B companies that need deep customization and commerce integration
OroCRM is a Symfony-based CRM from Oro Inc., designed for B2B businesses and closely linked with OroCommerce.
Key features
- B2B account and customer management
- Workflow engine
- Commerce integration
- Developer-friendly PHP framework
Pricing: OroCRM has a free open-source edition; hosted and enterprise editions are quote-based. Visit OroCRM
Pros
- Strong for B2B commerce
- Highly customizable
Cons
- Demanding to host and develop
- Enterprise features cost extra
What users say: Users value the flexibility. Common complaints mention complexity and need for specialist developers.
10. Dolibarr ERP & CRM — best for small businesses that want simple CRM plus invoicing modules
Dolibarr is a modular open-source ERP and CRM for small businesses. You switch on the modules you need, such as contacts, proposals, invoices and stock.
Key features
- Contacts and proposals
- Invoicing and payments
- Modular activation
- Add-ons marketplace
Pricing: Dolibarr is free under GPL-3.0. Visit Dolibarr ERP & CRM
Pros
- Simple and light
- CRM plus invoicing in one
Cons
- Basic sales features
- Interface looks dated
What users say: Reviewers like its simplicity. Complaints mention limited sales automation.
Open source CRM platforms compared
| CRM | License | Hosted option | Main stack |
|---|---|---|---|
| SuiteCRM | AGPL-3.0 | Yes (paid) | PHP |
| Odoo CRM | Community: open source | Yes | Python |
| EspoCRM | AGPL-3.0 | Yes (paid) | PHP |
| Twenty | AGPL-3.0 | Yes (paid) | TypeScript |
| Vtiger OSE | Open source | Cloud product | PHP |
| Frappe CRM | Open source | Frappe Cloud | Python |
| Krayin CRM | MIT | — | PHP (Laravel) |
| YetiForce | Open source | Yes (paid) | PHP |
| OroCRM | Open source | Quote-based | PHP (Symfony) |
| Dolibarr | GPL-3.0 | Via partners | PHP |
How to choose an open source CRM
- Check the license. AGPL requires sharing source code of modifications offered over a network; MIT is more permissive.
- Match your stack. Pick a CRM in a language your team or partner already supports.
- Evaluate community health. Look at release frequency, open issues and forum activity.
- Budget for hosting. Servers, backups, monitoring and SSL are now your job.
- Price paid extensions. Some key features, such as advanced workflows, are paid add-ons.
- Plan upgrades. Heavy customizations can make version upgrades costly.
- Compare with SaaS. For teams without technical support, paid CRM options for small businesses may cost less overall.
When an off-the-shelf open source CRM is not enough
Open source gives you the code, but you still need someone to run it. Self-hosting means servers, backups, updates and security patches; hosting and DevOps support can set up containers, monitoring and disaster recovery so the CRM stays fast and available.
The real total cost includes upgrades and fixes over time, so plan for ongoing maintenance rather than a one-off install. Many teams also need CRM development and customisation to add industry workflows, integrate billing or build a portal. If you are deciding between a CRM and a broader system, read our guide on CRM vs ERP. Teams leaving Salesforce can also compare our list of Salesforce alternatives. When you are ready, get a quote for setup or customization.
Final verdict
SuiteCRM is the most complete open source CRM for teams that want enterprise features without license fees. EspoCRM is the best balance of speed, simplicity and documentation, and Odoo CRM is the strongest choice when you want CRM and ERP together.
Developer-led startups should look at Twenty or Krayin, while ERPNext users will find Frappe CRM a natural fit. Small businesses that need basic contacts plus invoicing can start with Dolibarr.
