Open source focus
Open Source Alternatives to Custom SaaS
60 open source Enterprise Software options similar to Custom SaaS, 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.
Versa DigitalCustom Software DevelopmentExeter, EnglandOpen source
Abundantwisdom4AI SolutionsOpen source
HooyooAI SolutionsOpen source
Manus AI75Agentic AISingapore, Singapore$150.0MOpen source
NemoClaw75Artificial IntelligenceOpen source · Self-hostable
Temporal71Workflow AutomationSeattle, United States$134.0MOpen source
Orkes62Artificial IntelligenceSanta Clara, USA$89.3MOpen source
Viktor62Artificial IntelligenceWarsaw, Poland$64.7MOpen source
Spacelift61Infrastructure as CodeWarsaw, Poland$73.6MOpen source
Agency58Agentic AISan Francisco, United States$20.0MOpen source
BotCity57RPASão Paulo, Brazil$16.5MOpen source
Raycast55ProductivityLondon, United Kingdom$17.7MOpen source
Spotlight.ai55EnterpriseTel Aviv, Israel$1.0MOpen source
KiloClaw54Artificial IntelligenceOpen source · Self-hostable
- HOHOOTL54Artificial IntelligenceCharlottesville, USA$6.5M
Open source
giniX54Generative AITel Aviv, IsraelOpen source
Relevance AI53Agentic AITel Aviv, Israel$12.0MOpen source
Svix53EnterpriseSan Francisco, United States$2.6MOpen source
Kestra49Data OrchestrationParis, France$36.0MOpen source · Self-hostable
Clause48LegalTechNew York, United StatesOpen source
Inngest Inc.48Developer ToolsSan Francisco, United States$5.0MOpen source
Orderful48Supply Chain ManagementSan Francisco, USA$35.0MOpen source
Emergence AI48Agentic AISan Francisco, United StatesOpen source
cal.com47Scheduling SoftwareBerlin, GermanyOpen source · Self-hostable
Wirespeed47AI InfrastructureSan Francisco, United States$2.5MOpen source
Fleet46Agentic AISan Francisco, United StatesOpen source
Timefold46Artificial IntelligenceAmsterdam, Netherlands$13.0MOpen source
SmythOS45Agentic AISan Francisco, United StatesOpen source · Self-hostable
Outlit45Agentic AI$500KOpen source
Bitloops45Developer ToolsAthens, Greece$1.5MOpen source
Nex AI45Agentic AISan Francisco, United StatesOpen source
Amplication44EnterpriseTel Aviv, IsraelOpen source · Self-hostable
- ATAttio41CRMLondon, United Kingdom$93.5M
Open source
Orq.ai41Agentic AIAmsterdam, Netherlands$8.9MOpen source
Duely41LegalTechGhent, Belgium$1.1MOpen source
Behrings40Agentic AISan Francisco, United StatesOpen source
Co Build40AI Collaboration Tools$8.5MOpen source
Bindwell38AI InfrastructureSan Francisco, United States$9.5MOpen source
Zynk36Agentic AILondon, United Kingdom$110.0MOpen source
Joulix AI Technologies35AI Tools & AppsSan Francisco, Israel$2.3MOpen source
Skyridge Systems34Agentic AISan Francisco, United StatesOpen source
- Adamczyk34Agentic AISan Francisco, United States$1.0M
Open source
PromptQL31Artificial IntelligenceSan Francisco, United StatesOpen source · Self-hostable
Kantu26Workflow AutomationOpen source · Self-hostable
Swagger24API DevelopmentSomerville, United StatesOpen source · Self-hostable
- Arkano21Agentic AITel Aviv, Israel
Open source
Apache Airflow19MLOpsOpen source · Self-hostable
Camunda Pte. Limited18Workflow AutomationBerlin, GermanyOpen source · Self-hostable
Agent Claws17Agentic AISan Francisco, United StatesOpen source
Ssbs14Agentic AIOpen source
Etherwaves AI14Conversational AIOpen source
Integuru13API PlatformOpen source
- syonix.ai11Agentic AIפרדסיה, Israel
Open source
MCP.so10Developer ToolsOpen source · Self-hostable
Bayouops4Cloud InfrastructureHouston, United StatesOpen source
LeiriaWorkflow AutomationOpen source
CitalaAI InfrastructureOpen source
AgenticnotificationsAgentic AIOpen source
- InbrowserAgentic AI
Open source
- SheafData PlatformMaidenhead, England
Open source
| Company | Sector | License | HQ | Funding | Score | Website |
|---|---|---|---|---|---|---|
| Versa Digital | Custom Software Development | Open source | Exeter, England | — | — | |
| Abundantwisdom | AI Solutions | Open source | — | — | 4 | |
| Hooyoo | AI Solutions | Open source | — | — | — | |
| Manus AI | Agentic AI | Open source | Singapore, Singapore | $150.0M | 75 | |
| NemoClaw | Artificial Intelligence | Open source · Self-hostable | — | — | 75 | |
| Temporal | Workflow Automation | Open source | Seattle, United States | $134.0M | 71 | |
| Orkes | Artificial Intelligence | Open source | Santa Clara, USA | $89.3M | 62 | |
| Viktor | Artificial Intelligence | Open source | Warsaw, Poland | $64.7M | 62 | |
| Spacelift | Infrastructure as Code | Open source | Warsaw, Poland | $73.6M | 61 | |
| Agency | Agentic AI | Open source | San Francisco, United States | $20.0M | 58 | |
| BotCity | RPA | Open source | São Paulo, Brazil | $16.5M | 57 | |
| Raycast | Productivity | Open source | London, United Kingdom | $17.7M | 55 | |
| Spotlight.ai | Enterprise | Open source | Tel Aviv, Israel | $1.0M | 55 | |
| KiloClaw | Artificial Intelligence | Open source · Self-hostable | — | — | 54 | |
| HOHOOTL | Artificial Intelligence | Open source | Charlottesville, USA | $6.5M | 54 | |
| giniX | Generative AI | Open source | Tel Aviv, Israel | — | 54 | |
| Relevance AI | Agentic AI | Open source | Tel Aviv, Israel | $12.0M | 53 | |
| Svix | Enterprise | Open source | San Francisco, United States | $2.6M | 53 | |
| Kestra | Data Orchestration | Open source · Self-hostable | Paris, France | $36.0M | 49 | |
| Clause | LegalTech | Open source | New York, United States | — | 48 | |
| Inngest Inc. | Developer Tools | Open source | San Francisco, United States | $5.0M | 48 | |
| Orderful | Supply Chain Management | Open source | San Francisco, USA | $35.0M | 48 | |
| Emergence AI | Agentic AI | Open source | San Francisco, United States | — | 48 | |
| cal.com | Scheduling Software | Open source · Self-hostable | Berlin, Germany | — | 47 | |
| Wirespeed | AI Infrastructure | Open source | San Francisco, United States | $2.5M | 47 | |
| Fleet | Agentic AI | Open source | San Francisco, United States | — | 46 | |
| Timefold | Artificial Intelligence | Open source | Amsterdam, Netherlands | $13.0M | 46 | |
| SmythOS | Agentic AI | Open source · Self-hostable | San Francisco, United States | — | 45 | |
| Outlit | Agentic AI | Open source | — | $500K | 45 | |
| Bitloops | Developer Tools | Open source | Athens, Greece | $1.5M | 45 | |
| Nex AI | Agentic AI | Open source | San Francisco, United States | — | 45 | |
| Amplication | Enterprise | Open source · Self-hostable | Tel Aviv, Israel | — | 44 | |
| ATAttio | CRM | Open source | London, United Kingdom | $93.5M | 41 | |
| Orq.ai | Agentic AI | Open source | Amsterdam, Netherlands | $8.9M | 41 | |
| Duely | LegalTech | Open source | Ghent, Belgium | $1.1M | 41 | |
| Behrings | Agentic AI | Open source | San Francisco, United States | — | 40 | |
| Co Build | AI Collaboration Tools | Open source | — | $8.5M | 40 | |
| Bindwell | AI Infrastructure | Open source | San Francisco, United States | $9.5M | 38 | |
| Zynk | Agentic AI | Open source | London, United Kingdom | $110.0M | 36 | |
| Joulix AI Technologies | AI Tools & Apps | Open source | San Francisco, Israel | $2.3M | 35 | |
| Skyridge Systems | Agentic AI | Open source | San Francisco, United States | — | 34 | |
| Agentic AI | Open source | San Francisco, United States | $1.0M | 34 | ||
| PromptQL | Artificial Intelligence | Open source · Self-hostable | San Francisco, United States | — | 31 | |
| Kantu | Workflow Automation | Open source · Self-hostable | — | — | 26 | |
| Swagger | API Development | Open source · Self-hostable | Somerville, United States | — | 24 | |
| Agentic AI | Open source | Tel Aviv, Israel | — | 21 | ||
| Apache Airflow | MLOps | Open source · Self-hostable | — | — | 19 | |
| Camunda Pte. Limited | Workflow Automation | Open source · Self-hostable | Berlin, Germany | — | 18 | |
| Agent Claws | Agentic AI | Open source | San Francisco, United States | — | 17 | |
| Ssbs | Agentic AI | Open source | — | — | 14 | |
| Etherwaves AI | Conversational AI | Open source | — | — | 14 | |
| Integuru | API Platform | Open source | — | — | 13 | |
| Agentic AI | Open source | פרדסיה, Israel | — | 11 | ||
| MCP.so | Developer Tools | Open source · Self-hostable | — | — | 10 | |
| Bayouops | Cloud Infrastructure | Open source | Houston, United States | — | 4 | |
| Leiria | Workflow Automation | Open source | — | — | — | |
| Citala | AI Infrastructure | Open source | — | — | — | |
| Agenticnotifications | Agentic AI | Open source | — | — | — | |
| Agentic AI | Open source | — | — | — | ||
| Data Platform | Open source | Maidenhead, England | — | — |