Open Source Alternatives to Close
60 open source CRM options similar to Close, ranked by named competitors first, sector overlap, and our 0-100 AI-readiness score. Each profile notes license and self-hosting where we have it.
- ATAttio41CRMLondon, United Kingdom$93.5M
Open source
CultivateaiSales AutomationOpen source
Interai54Enterprise$13.3MOpen source
DealerciteAutomotiveOpen source
Xplor Spot43Vertical SaaSTel Aviv, Israel$1.0MOpen source
Bothy35Nonprofit SoftwareSan Francisco, United States$1.5MOpen source
Flectra27Open SourceAhmedabad, IndiaOpen source · Self-hostable
Dolibarr18Open SourceOpen source · Self-hostable
- ERERPNext0Enterprise SoftwareBangalore, India
Open source · Self-hostable
ProvendSales AutomationOpen source
LairaosFoundation ModelLondon, United KingdomOpen source
TradetribeAgentic AITel Aviv, IsraelOpen source
ConvousConversational AIOpen source
Wix85WebsiteTel Aviv, Israel$1.3BOpen source
Cvent85Event Management SoftwareTysons, United States$232.0MOpen source
WooCommerce (Automattic)76E-commerceSan Francisco, United States$815.7MOpen source · Self-hostable
Birdeye70Reputation ManagementPalo Alto, United States$85.0MOpen source
Weave70Voice AILehi, United StatesOpen source
Orion Advisor Solutions67FintechOmaha, United States$223.0MOpen source
Coro65EnterpriseNew York, United States$235.0MOpen source
Mercury64FintechSan Francisco, United States$500.0MOpen source
Kyruus63HealthTechBoston, United States$35.0MOpen source
Warmly63Agentic AISan Francisco, United States$19.7MOpen source
GreytHR62HR TechBangalore, India$5.0MOpen source
Probo59SMB SoftwareTel Aviv, Israel$2.5MOpen source · Self-hostable
Jimdo58Website BuilderHamburg, Germany$27.5MOpen source
April57FintechNew York, United States$78.0MOpen source
Compass57Real EstateNew York, United States$1.1BOpen source
Shopify55E-commerce PlatformOttawa, Canada$122.3MOpen source
Dinero54FintechStockholm, Sweden$1.2MOpen source
Arthur51Agentic AISan Francisco, United States$10.0MOpen source
- OBOBOt AI49Conversational AITel Aviv, Israel$5.0M
Open source
SugarCRM49CRM & Sales SoftwareSan Francisco, United States$86.5MOpen source · Self-hostable
Dub48MarTechSan Francisco, United States$17.0MOpen source
Choco Insurance47FintechTel Aviv, IsraelOpen source
- SASales Interaction Agent47Agentic AISan Francisco, United States$5.0M
Open source
Outlit45Agentic AI$500KOpen source
Sauce Technologies43Enterprise SoftwareNew York, United StatesOpen source
Crisp42Customer EngagementParis, FranceOpen source
Tryagentically40Agentic AISan Francisco, United StatesOpen source
- RERefold AI39Customer Service AutomationLondon, United Kingdom$6.5M
Open source
FrontSpin38Sales TechnologySan Diego, United StatesOpen source
Aengus35Conversational AISan Francisco, United StatesOpen source
Callbravo34Voice AITel Aviv, Israel$1.5MOpen source
GoaffPro33Affiliate MarketingSirsa, IndiaOpen source
Kayko31FintechKigali, RwandaOpen source
Raincheck AI28Agentic AISan Francisco, United StatesOpen source
- SUSuiteCRM26Customer Relationship ManagementStirling, United Kingdom
Open source · Self-hostable
Biz Bloom24Agentic AITel Aviv, IsraelOpen source
RE2320Real EstateNew York, United StatesOpen source
Mercury Technologies, .19FintechSan Francisco, United StatesOpen source
Sparkboardapp18Collaboration SoftwareOpen source
Lionwire17Voice AIOpen source
Aemetis15Climate TechCupertino, United StatesOpen source · Self-hostable
Darim14Conversational AIOpen source
Onenexa14Conversational AIOpen source
Blackbaud10Vertical SaaSCharleston, United StatesOpen source
Ardeiro8Agentic AIOpen source
360sprint4Agentic AITel Aviv, IsraelOpen source
PayrollHero1HR TechMakati, PhilippinesOpen source
| Company | Sector | License | HQ | Funding | Score | Website |
|---|---|---|---|---|---|---|
| ATAttio | CRM | Open source | London, United Kingdom | $93.5M | 41 | |
| Sales Automation | Open source | — | — | — | ||
| Enterprise | Open source | — | $13.3M | 54 | ||
| Automotive | Open source | — | — | — | ||
| Vertical SaaS | Open source | Tel Aviv, Israel | $1.0M | 43 | ||
| Nonprofit Software | Open source | San Francisco, United States | $1.5M | 35 | ||
| Open Source | Open source · Self-hostable | Ahmedabad, India | — | 27 | ||
| Open Source | Open source · Self-hostable | — | — | 18 | ||
| ERERPNext | Enterprise Software | Open source · Self-hostable | Bangalore, India | — | 0 | |
| Sales Automation | Open source | — | — | — | ||
| Foundation Model | Open source | London, United Kingdom | — | — | ||
| Agentic AI | Open source | Tel Aviv, Israel | — | — | ||
| Conversational AI | Open source | — | — | — | ||
| Website | Open source | Tel Aviv, Israel | $1.3B | 85 | ||
| Event Management Software | Open source | Tysons, United States | $232.0M | 85 | ||
| E-commerce | Open source · Self-hostable | San Francisco, United States | $815.7M | 76 | ||
| Reputation Management | Open source | Palo Alto, United States | $85.0M | 70 | ||
| Voice AI | Open source | Lehi, United States | — | 70 | ||
| Fintech | Open source | Omaha, United States | $223.0M | 67 | ||
| Enterprise | Open source | New York, United States | $235.0M | 65 | ||
| Fintech | Open source | San Francisco, United States | $500.0M | 64 | ||
| HealthTech | Open source | Boston, United States | $35.0M | 63 | ||
| Agentic AI | Open source | San Francisco, United States | $19.7M | 63 | ||
| HR Tech | Open source | Bangalore, India | $5.0M | 62 | ||
| SMB Software | Open source · Self-hostable | Tel Aviv, Israel | $2.5M | 59 | ||
| Website Builder | Open source | Hamburg, Germany | $27.5M | 58 | ||
| Fintech | Open source | New York, United States | $78.0M | 57 | ||
| Real Estate | Open source | New York, United States | $1.1B | 57 | ||
| E-commerce Platform | Open source | Ottawa, Canada | $122.3M | 55 | ||
| Fintech | Open source | Stockholm, Sweden | $1.2M | 54 | ||
| Agentic AI | Open source | San Francisco, United States | $10.0M | 51 | ||
| OBOBOt AI | Conversational AI | Open source | Tel Aviv, Israel | $5.0M | 49 | |
| CRM & Sales Software | Open source · Self-hostable | San Francisco, United States | $86.5M | 49 | ||
| MarTech | Open source | San Francisco, United States | $17.0M | 48 | ||
| Fintech | Open source | Tel Aviv, Israel | — | 47 | ||
| SASales Interaction Agent | Agentic AI | Open source | San Francisco, United States | $5.0M | 47 | |
| Agentic AI | Open source | — | $500K | 45 | ||
| Enterprise Software | Open source | New York, United States | — | 43 | ||
| Customer Engagement | Open source | Paris, France | — | 42 | ||
| Agentic AI | Open source | San Francisco, United States | — | 40 | ||
| RERefold AI | Customer Service Automation | Open source | London, United Kingdom | $6.5M | 39 | |
| Sales Technology | Open source | San Diego, United States | — | 38 | ||
| Conversational AI | Open source | San Francisco, United States | — | 35 | ||
| Voice AI | Open source | Tel Aviv, Israel | $1.5M | 34 | ||
| Affiliate Marketing | Open source | Sirsa, India | — | 33 | ||
| Fintech | Open source | Kigali, Rwanda | — | 31 | ||
| Agentic AI | Open source | San Francisco, United States | — | 28 | ||
| SUSuiteCRM | Customer Relationship Management | Open source · Self-hostable | Stirling, United Kingdom | — | 26 | |
| Agentic AI | Open source | Tel Aviv, Israel | — | 24 | ||
| Real Estate | Open source | New York, United States | — | 20 | ||
| Fintech | Open source | San Francisco, United States | — | 19 | ||
| Collaboration Software | Open source | — | — | 18 | ||
| Voice AI | Open source | — | — | 17 | ||
| Climate Tech | Open source · Self-hostable | Cupertino, United States | — | 15 | ||
| Conversational AI | Open source | — | — | 14 | ||
| Conversational AI | Open source | — | — | 14 | ||
| Vertical SaaS | Open source | Charleston, United States | — | 10 | ||
| Agentic AI | Open source | — | — | 8 | ||
| Agentic AI | Open source | Tel Aviv, Israel | — | 4 | ||
| HR Tech | Open source | Makati, Philippines | — | 1 |