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Microsoft Dynamics 365 Sales alternatives · CRM

Open-source alternatives to Microsoft Dynamics 365 Sales

Microsoft Dynamics 365 Sales is not described as open source on its own site. 6 of the 72 other CRM tools in this directory are open source, according to their own sites.

Microsoft Dynamics 365 Sales is a paid product with a free trial, starting at $65 per user / month, paid yearly. All of them are free or have a free plan.

6 tools · Listings checked up to Nov 2, 2026 · Where the facts come from

How each one differs from Microsoft Dynamics 365 Sales

  1. Odoo CRM

    Open-source CRM app from the Odoo business suite

    • Odoo CRM starts at $31.10 per user / month, billed yearly ($38.90 billed monthly). Microsoft Dynamics 365 Sales starts at $65 per user / month, paid yearly.
    • Odoo CRM has a free plan. Microsoft Dynamics 365 Sales does not, though it has a free trial.
    • Odoo CRM is open source and self-hostable, according to its own site.
    • Odoo CRM also covers kanban boards.
    Odoo CRM vs Microsoft Dynamics 365 SalesOdoo CRM pricing and details

  2. SuiteCRM

    Open-source CRM with no per-user license fees

    • SuiteCRM starts at £130 / month, billed annually excl. VAT, unlimited users (£143 billed monthly). Microsoft Dynamics 365 Sales starts at $65 per user / month, paid yearly.
    • SuiteCRM has a free plan. Microsoft Dynamics 365 Sales does not, though it has a free trial.
    • Only Microsoft Dynamics 365 Sales lists iOS and Android apps.
    • SuiteCRM is open source and self-hostable, according to its own site.
    SuiteCRM vs Microsoft Dynamics 365 SalesSuiteCRM pricing and details

  3. Twenty

    Open-source CRM with a custom data model, cloud or self-hosted

    • Twenty starts at $9 per user / month, billed yearly ($12 billed monthly). Microsoft Dynamics 365 Sales starts at $65 per user / month, paid yearly.
    • Twenty has a free plan. Microsoft Dynamics 365 Sales does not, though it has a free trial.
    • Only Microsoft Dynamics 365 Sales lists iOS and Android apps.
    • Twenty is open source and self-hostable, according to its own site.
    Twenty pricing and details

  4. Vtiger

    All-in-one CRM with a free cloud plan and an open-source edition

    • Vtiger starts at $12 per user / month, billed annually ($15 billed monthly). Microsoft Dynamics 365 Sales starts at $65 per user / month, paid yearly.
    • Vtiger has a free plan. Microsoft Dynamics 365 Sales does not, though it has a free trial.
    • Vtiger is open source and self-hostable, according to its own site.
    • Vtiger also covers marketing automation and invoicing.
    Vtiger pricing and details

  5. EspoCRM

    Open-source CRM you can self-host for free or rent in the cloud

    • EspoCRM starts at $15 per user / month, minimum 3 users, billed for 6 months or 1 year. Microsoft Dynamics 365 Sales starts at $65 per user / month, paid yearly.
    • EspoCRM has a free plan. Microsoft Dynamics 365 Sales does not, though it has a free trial.
    • Only Microsoft Dynamics 365 Sales lists iOS and Android apps.
    • EspoCRM is open source and self-hostable, according to its own site.
    EspoCRM pricing and details

  6. Monica Personal CRM

    Open-source personal CRM for friends, family and colleagues

    • Monica Personal CRM starts at $9 / month per account, or $90 billed yearly. Microsoft Dynamics 365 Sales starts at $65 per user / month, paid yearly.
    • Monica Personal CRM has a free plan. Microsoft Dynamics 365 Sales does not, though it has a free trial.
    • Only Microsoft Dynamics 365 Sales lists iOS and Android apps.
    • Monica Personal CRM is open source and self-hostable, according to its own site.
    Monica Personal CRM pricing and details

Common questions

Is there an open-source alternative to Microsoft Dynamics 365 Sales?

Yes. Odoo CRM, SuiteCRM, Twenty, Vtiger, EspoCRM and Monica Personal CRM are open source, according to their own sites.

Is Microsoft Dynamics 365 Sales open source?

Microsoft Dynamics 365 Sales is not described as open source on its own site. The listing was checked on Oct 5, 2026 against the pages it cites.

When was this checked?

Each listing shows its own date. On this page they run from Oct 5, 2026 to Nov 2, 2026. Vendors change prices and plans without notice, so confirm on their site before you buy.

This page is built from the listings. A tool is here because its listing says so, and the order is how close each is to Microsoft Dynamics 365 Sales: the alternatives its listing names first, then the tools that share the most features with it.