Open source focus
Open Source Alternatives to Pstx
60 open source Developer Tools options similar to Pstx, 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.
Apigee25API PlatformSan Jose, United States$196.5MOpen source
PortacleDeveloper ToolsOpen 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
WorkOS71Developer ToolsSan Francisco, United States$198.0MOpen source
Temporal71Workflow AutomationSeattle, United States$134.0MOpen source
Vercel70Web DevelopmentSan Francisco, United States$687.5MOpen source
- Supabase70DatabaseSan Francisco, United States$933.0M
Open source · Self-hostable
Netlify69Developer ToolsSan Francisco, United States$202.1MOpen source
Logz.io69EnterpriseTel Aviv, Israel$132.0MOpen source · Self-hostable
npm65Developer ToolsOakland, USA$10.6MOpen source · Self-hostable
Gitpod64Developer ToolsTübingen, Germany$28.0MOpen 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
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
Raycast55ProductivityLondon, United Kingdom$17.7MOpen source
LightningAI55AI InfrastructureSan Francisco, United StatesOpen source
Paperspace55AI InfrastructureNew York, United States$166.5MOpen source
Wing Cloud54EnterpriseTel Aviv, Israel$20.0MOpen source · Self-hostable
KiloClaw54Artificial IntelligenceOpen source · Self-hostable
Lean54MLOpsSan Francisco, United StatesOpen source
- HYHyphen AI54AI InfrastructureSeattle, United States$36.5M
Open source
MosaicML (now Databricks)54Foundation ModelSan Francisco, United States$21.7MOpen source
BreezoMeter54Weather$42.9MOpen source
Lunar.dev53EnterpriseTel Aviv, Israel$6.0MOpen source
Lambdatest India Private Limited53MLOpsSan Francisco, United StatesOpen source
Runhouse52EnterpriseSan Francisco, United States$4.9MOpen source
Estuary51Data StreamingSan Francisco, United States$28.0MOpen source
- COCodeSandbox51Developer ToolsAmsterdam, Netherlands$15.2M
Open source
D-Wave51Quantum ComputingBurnaby, CanadaOpen 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
Bitloops45Developer ToolsAthens, Greece$1.5MOpen source
Alpic44AI InfrastructureParis, France$12.0MOpen source
Kiro IDE44Artificial IntelligenceSan Francisco, United StatesOpen source
- COConvex43Backend as a ServiceSan Francisco, United States
Open source
Responsive40EnterpriseSan Francisco, United StatesOpen source · Self-hostable
Glitch37Developer ToolsNew York, United StatesOpen source · Self-hostable
Joulix AI Technologies35AI Tools & AppsSan Francisco, Israel$2.3MOpen source
Firebase33Mobile DevelopmentSan Francisco, United States$5.0MOpen source
hyperbrowser31Agentic AISan Francisco, United StatesOpen source
Unpaper21AI Tools & AppsOpen source
Sigla21Developer ToolsOpen source
Apache CouchDB21DatabaseOpen source · Self-hostable
Joeyydevops19MLOpsOpen source
Camunda Pte. Limited18Workflow AutomationBerlin, GermanyOpen source · Self-hostable
Browserless12Web AutomationCamden, United StatesOpen source
Google Cloud AI Platform11MLOpsMountain View, United StatesOpen source
fixupx.com10Web DevelopmentSan Francisco, United StatesOpen source · Self-hostable
| Company | Sector | License | HQ | Funding | Score |
|---|---|---|---|---|---|
| Apigee | API Platform | Open source | San Jose, United States | $196.5M | 25 |
| Portacle | Developer Tools | Open source | — | — | — |
| 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 |
| WorkOS | Developer Tools | Open source | San Francisco, United States | $198.0M | 71 |
| Temporal | Workflow Automation | Open source | Seattle, United States | $134.0M | 71 |
| Vercel | Web Development | Open source | San Francisco, United States | $687.5M | 70 |
| Database | Open source · Self-hostable | San Francisco, United States | $933.0M | 70 | |
| Netlify | Developer Tools | Open source | San Francisco, United States | $202.1M | 69 |
| Logz.io | Enterprise | Open source · Self-hostable | Tel Aviv, Israel | $132.0M | 69 |
| npm | Developer Tools | Open source · Self-hostable | Oakland, USA | $10.6M | 65 |
| Gitpod | Developer Tools | Open source · Self-hostable | Tübingen, Germany | $28.0M | 64 |
| 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 |
| 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 |
| Raycast | Productivity | Open source | London, United Kingdom | $17.7M | 55 |
| LightningAI | AI Infrastructure | Open source | San Francisco, United States | — | 55 |
| Paperspace | AI Infrastructure | Open source | New York, United States | $166.5M | 55 |
| Wing Cloud | Enterprise | Open source · Self-hostable | Tel Aviv, Israel | $20.0M | 54 |
| KiloClaw | Artificial Intelligence | Open source · Self-hostable | — | — | 54 |
| Lean | MLOps | Open source | San Francisco, United States | — | 54 |
| HYHyphen AI | AI Infrastructure | Open source | Seattle, United States | $36.5M | 54 |
| MosaicML (now Databricks) | Foundation Model | Open source | San Francisco, United States | $21.7M | 54 |
| BreezoMeter | Weather | Open source | — | $42.9M | 54 |
| Lunar.dev | Enterprise | Open source | Tel Aviv, Israel | $6.0M | 53 |
| Lambdatest India Private Limited | MLOps | Open source | San Francisco, United States | — | 53 |
| Runhouse | Enterprise | Open source | San Francisco, United States | $4.9M | 52 |
| Estuary | Data Streaming | Open source | San Francisco, United States | $28.0M | 51 |
| COCodeSandbox | Developer Tools | Open source | Amsterdam, Netherlands | $15.2M | 51 |
| D-Wave | Quantum Computing | Open source | Burnaby, Canada | — | 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 |
| Bitloops | Developer Tools | Open source | Athens, Greece | $1.5M | 45 |
| Alpic | AI Infrastructure | Open source | Paris, France | $12.0M | 44 |
| Kiro IDE | Artificial Intelligence | Open source | San Francisco, United States | — | 44 |
| COConvex | Backend as a Service | Open source | San Francisco, United States | — | 43 |
| Responsive | Enterprise | Open source · Self-hostable | San Francisco, United States | — | 40 |
| Glitch | Developer Tools | Open source · Self-hostable | New York, United States | — | 37 |
| Joulix AI Technologies | AI Tools & Apps | Open source | San Francisco, Israel | $2.3M | 35 |
| Firebase | Mobile Development | Open source | San Francisco, United States | $5.0M | 33 |
| hyperbrowser | Agentic AI | Open source | San Francisco, United States | — | 31 |
| Unpaper | AI Tools & Apps | Open source | — | — | 21 |
| Sigla | Developer Tools | Open source | — | — | 21 |
| Apache CouchDB | Database | Open source · Self-hostable | — | — | 21 |
| Joeyydevops | MLOps | Open source | — | — | 19 |
| Camunda Pte. Limited | Workflow Automation | Open source · Self-hostable | Berlin, Germany | — | 18 |
| Browserless | Web Automation | Open source | Camden, United States | — | 12 |
| Google Cloud AI Platform | MLOps | Open source | Mountain View, United States | — | 11 |
| fixupx.com | Web Development | Open source · Self-hostable | San Francisco, United States | — | 10 |