Open-source CRM Sales tools

The best open-source CRM Sales tools, curated: 9 in the registry, including Dataverse Business Skills, Atomic CRM, Frappe CRM. Every tool is open-source; each entry lists license, self-hostability, and links.

9 tools · ← all categories · JSON

• Dataverse Business Skills · tool, 2026-10-02
  Dataverse Business Skills is Microsoft's open (MIT) catalog of agent skills for Microsoft Dataverse: natural-language instructions that capture CRM and Dynamics 365 Sales processes (logging activity, prepping briefings, outreach, forecasting) as files an agent reads and follows. Open source: yes (MIT) for the skill definitions; NOT standalone — requires a Microsoft Dataverse / Dynamics 365 environment. Free (MIT); ~52 stars; from microsoft.
• Atomic CRM · tool, 2026-09-15
  MIT-licensed full-featured CRM built with React, shadcn-admin-kit and Supabase: contact management, kanban deal pipeline, tasks with reminders, email capture via CC and multi-provider auth (Google, Azure, Keycloak, Auth0). Its fork-first model lets you customize deeply yet pull upstream component updates via the shadcn registry. An open alternative to Attio.
• Frappe CRM · tool, 2026-09-13
  Open-source (AGPL-3.0) CRM for modern sales teams — leads, deals and customer interactions, positioned against CRMs it calls too complex with steep pricing. Built-in telephony: make, receive and record calls inside the CRM via Twilio and Exotel. Self-hostable; an open alternative to Attio.
• Youkti launches: an AI revenue-action platform with outcome-based pricing and a free tier of contact data and buying signals · news, 2026-09-12
  Youkti launched on Product Hunt: it tracks accounts, conversations and deals, filters 45+ buying signals into next actions, flags stalled deals and renewal risk, and syncs CRM automatically; its ARYA agent builds outbound flows in plain English. The pricing inversion is the story: unlimited contact data and live signals free, paid tiers charging on revenue outcomes rather than data usage. SaaS, not open source.
• ERPNext · tool, 2026-09-03
  OSS alt to SAP/NetSuite; ~37793 stars; broad ERP; CRM is one module; via ossinsight.io
• Ever Gauzy · tool, 2026-09-03
  OSS alt to Attio; ~4305 stars; via openalternative.co
• Open Mercato · tool, 2026-09-03
  OSS alt to SAP; ~1580 stars; via openalternative.co
• Relaticle · tool, 2026-09-03
  OSS alt to Attio; ~1494 stars; via openalternative.co
• Twenty · tool, 2026-08-29
  Open-source, self-hostable CRM and system-of-record — an OSS alternative to Salesforce/HubSpot with a REST/GraphQL API to persist records. Core is AGPL-3.0; SDKs MIT; some features gated behind a paid Enterprise license.