Open source focus
Open Source Alternatives to Portaa
60 open source Web Development Platform options similar to Portaa, 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.
Lovable75No-Code/Low-CodeStockholm, Sweden$1.2BOpen source
Pipedream56Workflow AutomationSan Francisco, United States$55.0MOpen source
bolt.new49AI Coding AssistantSan Francisco, United StatesOpen source
Base4444No CodeTel Aviv, IsraelOpen source
Blink41Agentic AISan Francisco, United StatesOpen source
Magick AI28Agentic AIOpen source
Kantu26Workflow AutomationOpen source · Self-hostable
Camunda Pte. Limited18Workflow AutomationBerlin, GermanyOpen source · Self-hostable
Camunda Inc.17Process AutomationBerlin, GermanyOpen source · Self-hostable
kuafuai8Agentic AIBeijing, ChinaOpen source
Postman78API DevelopmentSan Francisco, United StatesOpen source
GitHub77Developer ToolsSan Francisco, United States$100.0MOpen source · Self-hostable
TestMu AI (Formerly LambdaTest)77MLOpsSan Francisco, United States$121Open source
Together AI76AI InfrastructureSan Francisco, United States$906.0MOpen source · Self-hostable
Neon72DatabaseSan Francisco, United States$1.2BOpen source
Temporal71Workflow AutomationSeattle, United States$134.0MOpen source
- Supabase70DatabaseSan Francisco, United States$933.0M
Open source · Self-hostable
Qdrant70Vector DatabaseBerlin, Germany$96.5MOpen source · Self-hostable
Vercel70Web DevelopmentSan Francisco, United States$687.5MOpen source
Netlify69Developer ToolsSan Francisco, United States$202.1MOpen source
npm65Developer ToolsOakland, USA$10.6MOpen source · Self-hostable
ABLY63Realtime CommunicationLondon, United Kingdom$88.0MOpen source
RadixArk62Artificial IntelligencePalo Alto, USA$20.0MOpen source
Appwrite61EnterpriseSan Francisco, United States$37.0MOpen source · Self-hostable
Komodor61Software DevelopmentTel Aviv, Israel$67.0MOpen source
Liblab58Developer ToolsAustin, United States$42.0MOpen source · Self-hostable
Dash058ObservabilitySan Francisco, United States$147.2MOpen source
Steel.dev58Developer ToolsTel Aviv, Israel$17.0MOpen source · Self-hostable
FriendliAI57AI InfrastructureRedwood City, United States$89.0MOpen source
Baseten57MLOpsSan Francisco, United States$2.3BOpen source
Blaxel56Agentic AISan Francisco, United States$14.6MOpen source
Robusta Dev55DevelopmentTel Aviv, IsraelOpen source · Self-hostable
Paperspace55AI InfrastructureNew York, United States$166.5MOpen source
LightningAI55AI InfrastructureSan Francisco, United StatesOpen source
- HYHyphen AI54AI InfrastructureSeattle, United States$36.5M
Open source
KiloClaw54Artificial IntelligenceOpen source · Self-hostable
BreezoMeter54Weather$42.9MOpen source
MosaicML (now Databricks)54Foundation ModelSan Francisco, United States$21.7MOpen source
OctoParse54Data ExtractionWalnut, United States$15.4MOpen source
Wing Cloud54EnterpriseTel Aviv, Israel$20.0MOpen source · Self-hostable
Lambdatest India Private Limited53MLOpsSan Francisco, United StatesOpen source
Svix53EnterpriseSan Francisco, United States$2.6MOpen source
Langflow53Agentic AILisbon, PortugalOpen source · Self-hostable
Runhouse52EnterpriseSan Francisco, United States$4.9MOpen source
D-Wave51Quantum ComputingBurnaby, CanadaOpen source
Estuary51Data StreamingSan Francisco, United States$28.0MOpen source
- COCodeSandbox51Developer ToolsAmsterdam, Netherlands$15.2M
Open source
Agora.io50Real-Time EngagementSanta Clara, United States$706.0MOpen source
Runpod49AI InfrastructureNew York, United StatesOpen source
Inngest Inc.48Developer ToolsSan Francisco, United States$5.0MOpen source
Kryon47EnterpriseBellevue, United States$68.0MOpen source
Taskade46SpaceTechNew York, United States$1.0MOpen source
Bitloops45Developer ToolsAthens, Greece$1.5MOpen source
Kiro IDE44Artificial IntelligenceSan Francisco, United StatesOpen source
Alpic44AI InfrastructureParis, France$12.0MOpen source
- COConvex43Backend as a ServiceSan Francisco, United States
Open source
Vybe42Internal ToolsSan Francisco, United States$2.5MOpen source
MindStudio41Agentic AITel Aviv, IsraelOpen source
- ATAttio41CRMLondon, United Kingdom$93.5M
Open source
Responsive40EnterpriseSan Francisco, United StatesOpen source · Self-hostable
| Company | Sector | License | HQ | Funding | Score |
|---|---|---|---|---|---|
| Lovable | No-Code/Low-Code | Open source | Stockholm, Sweden | $1.2B | 75 |
| Pipedream | Workflow Automation | Open source | San Francisco, United States | $55.0M | 56 |
| bolt.new | AI Coding Assistant | Open source | San Francisco, United States | — | 49 |
| Base44 | No Code | Open source | Tel Aviv, Israel | — | 44 |
| Blink | Agentic AI | Open source | San Francisco, United States | — | 41 |
| Magick AI | Agentic AI | Open source | — | — | 28 |
| Kantu | Workflow Automation | Open source · Self-hostable | — | — | 26 |
| Camunda Pte. Limited | Workflow Automation | Open source · Self-hostable | Berlin, Germany | — | 18 |
| Camunda Inc. | Process Automation | Open source · Self-hostable | Berlin, Germany | — | 17 |
| kuafuai | Agentic AI | Open source | Beijing, China | — | 8 |
| Postman | API Development | Open source | San Francisco, United States | — | 78 |
| GitHub | Developer Tools | Open source · Self-hostable | San Francisco, United States | $100.0M | 77 |
| TestMu AI (Formerly LambdaTest) | MLOps | Open source | San Francisco, United States | $121 | 77 |
| Together AI | AI Infrastructure | Open source · Self-hostable | San Francisco, United States | $906.0M | 76 |
| Neon | Database | Open source | San Francisco, United States | $1.2B | 72 |
| Temporal | Workflow Automation | Open source | Seattle, United States | $134.0M | 71 |
| Database | Open source · Self-hostable | San Francisco, United States | $933.0M | 70 | |
| Qdrant | Vector Database | Open source · Self-hostable | Berlin, Germany | $96.5M | 70 |
| Vercel | Web Development | Open source | San Francisco, United States | $687.5M | 70 |
| Netlify | Developer Tools | Open source | San Francisco, United States | $202.1M | 69 |
| npm | Developer Tools | Open source · Self-hostable | Oakland, USA | $10.6M | 65 |
| ABLY | Realtime Communication | Open source | London, United Kingdom | $88.0M | 63 |
| RadixArk | Artificial Intelligence | Open source | Palo Alto, USA | $20.0M | 62 |
| Appwrite | Enterprise | Open source · Self-hostable | San Francisco, United States | $37.0M | 61 |
| Komodor | Software Development | Open source | Tel Aviv, Israel | $67.0M | 61 |
| Liblab | Developer Tools | Open source · Self-hostable | Austin, United States | $42.0M | 58 |
| Dash0 | Observability | Open source | San Francisco, United States | $147.2M | 58 |
| Steel.dev | Developer Tools | Open source · Self-hostable | Tel Aviv, Israel | $17.0M | 58 |
| FriendliAI | AI Infrastructure | Open source | Redwood City, United States | $89.0M | 57 |
| Baseten | MLOps | Open source | San Francisco, United States | $2.3B | 57 |
| Blaxel | Agentic AI | Open source | San Francisco, United States | $14.6M | 56 |
| Robusta Dev | Development | Open source · Self-hostable | Tel Aviv, Israel | — | 55 |
| Paperspace | AI Infrastructure | Open source | New York, United States | $166.5M | 55 |
| LightningAI | AI Infrastructure | Open source | San Francisco, United States | — | 55 |
| HYHyphen AI | AI Infrastructure | Open source | Seattle, United States | $36.5M | 54 |
| KiloClaw | Artificial Intelligence | Open source · Self-hostable | — | — | 54 |
| BreezoMeter | Weather | Open source | — | $42.9M | 54 |
| MosaicML (now Databricks) | Foundation Model | Open source | San Francisco, United States | $21.7M | 54 |
| OctoParse | Data Extraction | Open source | Walnut, United States | $15.4M | 54 |
| Wing Cloud | Enterprise | Open source · Self-hostable | Tel Aviv, Israel | $20.0M | 54 |
| Lambdatest India Private Limited | MLOps | Open source | San Francisco, United States | — | 53 |
| Svix | Enterprise | Open source | San Francisco, United States | $2.6M | 53 |
| Langflow | Agentic AI | Open source · Self-hostable | Lisbon, Portugal | — | 53 |
| Runhouse | Enterprise | Open source | San Francisco, United States | $4.9M | 52 |
| D-Wave | Quantum Computing | Open source | Burnaby, Canada | — | 51 |
| Estuary | Data Streaming | Open source | San Francisco, United States | $28.0M | 51 |
| COCodeSandbox | Developer Tools | Open source | Amsterdam, Netherlands | $15.2M | 51 |
| Agora.io | Real-Time Engagement | Open source | Santa Clara, United States | $706.0M | 50 |
| Runpod | AI Infrastructure | Open source | New York, United States | — | 49 |
| Inngest Inc. | Developer Tools | Open source | San Francisco, United States | $5.0M | 48 |
| Kryon | Enterprise | Open source | Bellevue, United States | $68.0M | 47 |
| Taskade | SpaceTech | Open source | New York, United States | $1.0M | 46 |
| Bitloops | Developer Tools | Open source | Athens, Greece | $1.5M | 45 |
| Kiro IDE | Artificial Intelligence | Open source | San Francisco, United States | — | 44 |
| Alpic | AI Infrastructure | Open source | Paris, France | $12.0M | 44 |
| COConvex | Backend as a Service | Open source | San Francisco, United States | — | 43 |
| Vybe | Internal Tools | Open source | San Francisco, United States | $2.5M | 42 |
| MindStudio | Agentic AI | Open source | Tel Aviv, Israel | — | 41 |
| ATAttio | CRM | Open source | London, United Kingdom | $93.5M | 41 |
| Responsive | Enterprise | Open source · Self-hostable | San Francisco, United States | — | 40 |