Twenty
98 · HealthyModern CRM with a spreadsheet-like data model, custom objects and workflows.
Modern CRM with a spreadsheet-like data model, custom objects and workflows.
Modular business suite whose community edition includes CRM, sales, invoicing and inventory.
Laravel-based CRM aimed at small businesses, with leads, pipelines and quotes.
Full ERP suite covering accounting, inventory, sales, purchasing and HR, with a CRM module for leads and opportunities.
Lightweight contact and deal tracker built with React and Supabase, meant to be forked and customized.
Enterprise CRM descended from SugarCRM Community Edition, covering sales, marketing and service.
Sales CRM for leads, deals and contacts, with Kanban pipelines, email, calling integrations and SLAs.
CRM built around AI agents, which read and update contacts, companies and deals alongside the sales team.
Web CRM for leads, accounts, opportunities and email, with a customizable entity model.
Chat-first CRM for teams that sell over WhatsApp, with AI agents, sales pipelines and a shared inbox.
Laravel CRM for companies, people and opportunities, with custom fields, a REST API and tools AI agents can use over MCP.
Sales pipeline CRM for small teams, with deals, contacts and automations.
The code for these is public, but the license is not an OSI open source license, or we have not verified it yet. Check the license notes on each project before relying on it.
Plugin-based business platform that combines CRM, marketing campaigns, a team inbox and a support desk.
Lightweight contact and deal tracker built with React and Supabase, meant to be forked and customized.
Will it still be around?
Healthy
Score 85/100
Can a business use it freely?
Free to use
MIT · open source (permissive)

has,doesn't7 features
4/12 HubSpot features free in Atomic CRM
HubSpot has every feature Atomic CRM has on this list.
Headline HubSpot features on the Sales Hub Professional plan, and whether Atomic CRM has each in its free, self-hosted edition.
| Feature | HubSpotSales Hub Professional plan | Atomic CRM4 of 12 free |
|---|---|---|
| HubSpot has, Atomic CRM doesn't7 | ||
| Email sync and tracking | Included | PartlyCC emails to save them as notes |
| Email sequences | Included | No |
| Workflow automation | Included | No |
| Sales forecasting | Included | No |
| Quotes | Included | No |
| Calling | Included | No |
| Marketing email campaigns | Higher planMarketing Hub | No |
| Both have4 | ||
| Contacts and companies | Included | Yes |
| Deal pipelines | IncludedMultiple pipelines | YesKanban board |
| Tasks and activity timeline | Included | Yes |
| API | Included | Yes |
| Neither has fully1 | ||
| Custom objects | Higher planEnterprise plan | PartlyCustom fields; extend in code |
Sources
A 25-seat team on HubSpot Sales Hub Professional pays about $2,250 a month. Atomic CRM on OpenTools costs $15 a month, setup included, so you save $2,235 a month, about $80,460 over three years.
Monthly cost
You save each month
$2,235/mo
99% less than today
Saving from month one
You save
List price checked 7 Oct 2026 · Source · Disclaimer
Healthy · activity, bus factor and issue responsiveness, from GitHub
Score v2 · How it works
88/100
69/100
100/100
Free to use
MIT · Open source (permissive)
What you need to do
Use, change, host and sell it for any purpose, commercial included, with no license to buy. Keep the copyright notice.
MIT License · Open source (permissive). OSI-approved license with few conditions beyond keeping the copyright notice.
Detected by GitHub as MIT.
Snapshot from 2026-10-08
Points for pull requests merged into Atomic CRM and reviews of them since 10 October 2025. Building something another user asked for earns more. 11 people have points on Atomic CRM in all.