Open source focus
CodeSandbox is open source
Open Source Alternatives to CodeSandbox
60 open source Developer Tools options similar to CodeSandbox, 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.
Glitch37Developer ToolsNew York, United StatesOpen source · Self-hostable
- STStackBlitz62Developer ToolsBerlin, Germany$113.4M
Open source
Steel.dev58Developer ToolsTel Aviv, Israel$17.0MOpen source · Self-hostable
Blaxel56Agentic AISan Francisco, United States$14.6MOpen source
Bubble Lab44Artificial IntelligenceOpen source · Self-hostable
Alpic44AI InfrastructureParis, France$12.0MOpen source
- Drawer7Agentic AISan Francisco, United States
Open source
Codeium71Artificial IntelligenceMountain View, United States$396.7MOpen source
Vercel70Web DevelopmentSan Francisco, United States$687.5MOpen source
Netlify69Developer ToolsSan Francisco, United States$202.1MOpen source
Daytona66AI InfrastructureNew York, United States$46.0MOpen source
Dust65Agentic AIParis, France$15.0MOpen source
Firecrawl65Agentic AISan Francisco, United States$29.0MOpen source
CopilotKit64Agentic AISan Francisco, United States$42.0MOpen source
Airweave63Agentic AISan Francisco, United States$6.0MOpen source · Self-hostable
Entire62Artificial Intelligence$60.0MOpen source · Self-hostable
LangChain61Agentic AISan Francisco, United States$260.0MOpen source
Composio59Agentic AISan Francisco, United States$50.0MOpen source
Fal58Agentic AISan Francisco, United States$182.3MOpen source
AgentMail58Agentic AISan Francisco, United States$7.5MOpen source
Browserbase57AI InfrastructureSan Francisco, United States$67.5MOpen source
xpander.ai57Artificial IntelligenceTel Aviv, Israel$3.0MOpen source
Paid57Agentic AISan Francisco, United States$21.0MOpen source
Auto-GPT56Agentic AI$12.0MOpen source · Self-hostable
Nottecore55Agentic AISan Francisco, United StatesOpen source
- SASapiom55Agentic AISan Francisco, United States$15.8M
Open source
Arcten55Agentic AISan Francisco, United StatesOpen source
Vijil55Agentic AISan Francisco, United States$17.0MOpen source
KiloClaw54Artificial IntelligenceOpen source · Self-hostable
- AGAgentDesk / BrowserTools54Recruitment Tech$17.0M
Open source
Anon53Agentic AI$6.5MOpen source
Lambdatest India Private Limited53MLOpsSan Francisco, United StatesOpen source
Lunar.dev53EnterpriseTel Aviv, Israel$6.0MOpen source
Langflow53Agentic AILisbon, PortugalOpen source · Self-hostable
Tiger Data53Artificial IntelligenceNew York, USA$100.0MOpen source
Hyperspell52Agentic AISan Francisco, United States$1.5MOpen source
Modal Labs52Agentic AISan Francisco, United States$693.0MOpen source
Magnitude51Agentic AISan Francisco, United States$10.0MOpen source · Self-hostable
RelAI51Agentic AISan Francisco, United States$10.0MOpen source · Self-hostable
Kriya50Agentic AISan Francisco, United States$330.0MOpen source
Protocol47Agentic AISan Francisco, United States$3.2MOpen source · Self-hostable
microsandbox46Agentic AISan Francisco, United StatesOpen source
Twill46Agentic AISan Francisco, United StatesOpen source · Self-hostable
Arcade46Artificial IntelligenceSan Francisco, USA$60.0MOpen source
Mendral46Agentic AISan Francisco, United States$15.0MOpen source
Glue46Agentic AISan Francisco, United States$4.2MOpen source · Self-hostable
Stably AI45Agentic AITel Aviv, IsraelOpen source
Base4444No CodeTel Aviv, IsraelOpen source
Kiro IDE44Artificial IntelligenceSan Francisco, United StatesOpen source
Code Input43Developer Tools$6.5MOpen source
- MIMind Lab41Artificial IntelligenceSan Francisco, United States
Open source
Blink41Agentic AISan Francisco, United StatesOpen source
Natural39Agentic PaymentsSan Francisco, United States$12.0MOpen source
Reshuffle37Agentic AISan Francisco, United StatesOpen source
Superagent34Agentic AISan Francisco, United StatesOpen source · Self-hostable
hyperbrowser31Agentic AISan Francisco, United StatesOpen source
Halluminate28Agentic AIOpen source
Magick AI28Agentic AIOpen source
MemGPT28Foundation ModelOpen source
CRAB26Agentic AIOpen source · Self-hostable
| Company | Sector | License | HQ | Funding | Score |
|---|---|---|---|---|---|
| Glitch | Developer Tools | Open source · Self-hostable | New York, United States | — | 37 |
| STStackBlitz | Developer Tools | Open source | Berlin, Germany | $113.4M | 62 |
| Steel.dev | Developer Tools | Open source · Self-hostable | Tel Aviv, Israel | $17.0M | 58 |
| Blaxel | Agentic AI | Open source | San Francisco, United States | $14.6M | 56 |
| Bubble Lab | Artificial Intelligence | Open source · Self-hostable | — | — | 44 |
| Alpic | AI Infrastructure | Open source | Paris, France | $12.0M | 44 |
| Agentic AI | Open source | San Francisco, United States | — | 7 | |
| Codeium | Artificial Intelligence | Open source | Mountain View, United States | $396.7M | 71 |
| Vercel | Web Development | Open source | San Francisco, United States | $687.5M | 70 |
| Netlify | Developer Tools | Open source | San Francisco, United States | $202.1M | 69 |
| Daytona | AI Infrastructure | Open source | New York, United States | $46.0M | 66 |
| Dust | Agentic AI | Open source | Paris, France | $15.0M | 65 |
| Firecrawl | Agentic AI | Open source | San Francisco, United States | $29.0M | 65 |
| CopilotKit | Agentic AI | Open source | San Francisco, United States | $42.0M | 64 |
| Airweave | Agentic AI | Open source · Self-hostable | San Francisco, United States | $6.0M | 63 |
| Entire | Artificial Intelligence | Open source · Self-hostable | — | $60.0M | 62 |
| LangChain | Agentic AI | Open source | San Francisco, United States | $260.0M | 61 |
| Composio | Agentic AI | Open source | San Francisco, United States | $50.0M | 59 |
| Fal | Agentic AI | Open source | San Francisco, United States | $182.3M | 58 |
| AgentMail | Agentic AI | Open source | San Francisco, United States | $7.5M | 58 |
| Browserbase | AI Infrastructure | Open source | San Francisco, United States | $67.5M | 57 |
| xpander.ai | Artificial Intelligence | Open source | Tel Aviv, Israel | $3.0M | 57 |
| Paid | Agentic AI | Open source | San Francisco, United States | $21.0M | 57 |
| Auto-GPT | Agentic AI | Open source · Self-hostable | — | $12.0M | 56 |
| Nottecore | Agentic AI | Open source | San Francisco, United States | — | 55 |
| SASapiom | Agentic AI | Open source | San Francisco, United States | $15.8M | 55 |
| Arcten | Agentic AI | Open source | San Francisco, United States | — | 55 |
| Vijil | Agentic AI | Open source | San Francisco, United States | $17.0M | 55 |
| KiloClaw | Artificial Intelligence | Open source · Self-hostable | — | — | 54 |
| AGAgentDesk / BrowserTools | Recruitment Tech | Open source | — | $17.0M | 54 |
| Anon | Agentic AI | Open source | — | $6.5M | 53 |
| Lambdatest India Private Limited | MLOps | Open source | San Francisco, United States | — | 53 |
| Lunar.dev | Enterprise | Open source | Tel Aviv, Israel | $6.0M | 53 |
| Langflow | Agentic AI | Open source · Self-hostable | Lisbon, Portugal | — | 53 |
| Tiger Data | Artificial Intelligence | Open source | New York, USA | $100.0M | 53 |
| Hyperspell | Agentic AI | Open source | San Francisco, United States | $1.5M | 52 |
| Modal Labs | Agentic AI | Open source | San Francisco, United States | $693.0M | 52 |
| Magnitude | Agentic AI | Open source · Self-hostable | San Francisco, United States | $10.0M | 51 |
| RelAI | Agentic AI | Open source · Self-hostable | San Francisco, United States | $10.0M | 51 |
| Kriya | Agentic AI | Open source | San Francisco, United States | $330.0M | 50 |
| Protocol | Agentic AI | Open source · Self-hostable | San Francisco, United States | $3.2M | 47 |
| microsandbox | Agentic AI | Open source | San Francisco, United States | — | 46 |
| Twill | Agentic AI | Open source · Self-hostable | San Francisco, United States | — | 46 |
| Arcade | Artificial Intelligence | Open source | San Francisco, USA | $60.0M | 46 |
| Mendral | Agentic AI | Open source | San Francisco, United States | $15.0M | 46 |
| Glue | Agentic AI | Open source · Self-hostable | San Francisco, United States | $4.2M | 46 |
| Stably AI | Agentic AI | Open source | Tel Aviv, Israel | — | 45 |
| Base44 | No Code | Open source | Tel Aviv, Israel | — | 44 |
| Kiro IDE | Artificial Intelligence | Open source | San Francisco, United States | — | 44 |
| Code Input | Developer Tools | Open source | — | $6.5M | 43 |
| MIMind Lab | Artificial Intelligence | Open source | San Francisco, United States | — | 41 |
| Blink | Agentic AI | Open source | San Francisco, United States | — | 41 |
| Natural | Agentic Payments | Open source | San Francisco, United States | $12.0M | 39 |
| Reshuffle | Agentic AI | Open source | San Francisco, United States | — | 37 |
| Superagent | Agentic AI | Open source · Self-hostable | San Francisco, United States | — | 34 |
| hyperbrowser | Agentic AI | Open source | San Francisco, United States | — | 31 |
| Halluminate | Agentic AI | Open source | — | — | 28 |
| Magick AI | Agentic AI | Open source | — | — | 28 |
| MemGPT | Foundation Model | Open source | — | — | 28 |
| CRAB | Agentic AI | Open source · Self-hostable | — | — | 26 |