Open source focus
Open Source Alternatives to Arc And Delta
60 open source Fractional CTO options similar to Arc And Delta, 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.
Ubuntu85Operating SystemsLondon, United Kingdom$63.0MOpen source · Self-hostable
Polygon81BlockchainMumbai, India$400.0MOpen source
Cursor80Artificial IntelligenceSan Francisco, United States$2.9BOpen source
Cursor (Anysphere)77Artificial IntelligenceSan Francisco, United States$4.8BOpen source
NemoClaw75Artificial IntelligenceOpen source · Self-hostable
StarkWare73BlockchainTel Aviv, Israel$180.0MOpen source
Codeium71Artificial IntelligenceMountain View, United States$396.7MOpen source
Nx64Software DevelopmentSan Francisco, USA$63.0MOpen source
Qodo64AI Coding AssistantTel Aviv, Israel$1.5MOpen source
Netguru63Software DevelopmentPoznań, Poland$63.0MOpen source
Aurora Labs63AutomotiveTel Aviv, Israel$99.6MOpen source
Odigos62Enterprise$13.0MOpen source · Self-hostable
Lightrun62EnterpriseTel Aviv, Israel$115.0MOpen source
Monad Labs62BlockchainNew York, United States$266.0MOpen source
Veracode62CybersecurityBurlington, United States$40.0MOpen source
Auto-Gen62Artificial IntelligenceRedmond, USA$100.0MOpen source
Solana61BlockchainSan Francisco, United States$195.5MOpen source
Codefresh61EnterpriseBrisbane, Australia$42.0MOpen source · Self-hostable
Komodor61Software DevelopmentTel Aviv, Israel$67.0MOpen source
Gitar61Artificial IntelligenceSan Francisco, USA$9.0MOpen source
Appwrite61EnterpriseSan Francisco, United States$37.0MOpen source · Self-hostable
Continue61AISan Francisco, United States$70.1MOpen source
JetBrains60Software DevelopmentPrague, Czech RepublicOpen source
flox58EnterpriseSan Francisco, United States$42.6MOpen source
Axiom Quant58Artificial IntelligenceSan Francisco, United States$264.0MOpen source
BLACKBOX.AI57AISan Francisco, United States$38.3MOpen source
Boost Security57CybersecuritySan Francisco, USA$12.0MOpen source
Salto56DevOpsTel Aviv, Israel$69.0MOpen source
GitGuardian56CybersecurityParis, France$50.0MOpen source
Bluebricks55EnterpriseSan Francisco, United States$4.5MOpen source
Datree55KubernetesTel Aviv, Israel$14.0MOpen source
- SHSheBuilds55Artificial IntelligenceSan Francisco, USA$63.0M
Open source
Metoro55Software DevelopmentSan Fransisco, USOpen source
KiloClaw54Artificial IntelligenceOpen source · Self-hostable
MetalBear54Software DevelopmentSan Francisco, United States$12.5MOpen source · Self-hostable
Insomnia54API ManagementSan Francisco, United States$75.0MOpen source
StepSecurity54CybersecuritySan Francisco, USA$63.0MOpen source
Ingenium Marine Solutions Pvt. Ltd.54Maritime TechnologyMumbai, India$701KOpen source
Korbit AI54AI Coding AssistantTel Aviv, IsraelOpen source
Speedb52EnterpriseTel Aviv, Israel$17.0MOpen source · Self-hostable
Runhouse52EnterpriseSan Francisco, United States$4.9MOpen source
Monad50BlockchainNew York, United States$259.0MOpen source
TanStack50Software DevelopmentSan Francisco, Canada$1.0MOpen source · Self-hostable
All-Hands AI50Agentic AIBoston, United States$5.0MOpen source · Self-hostable
Ryvn50Software DevelopmentNew York, US$500KOpen source
Oplane49CybersecurityMalmö, Sweden$4.5MOpen source
Astral Software49Developer ToolsSan Francisco, United StatesOpen source
- 2121st.dev46AISan Francisco, United States$500K
Open source
- CRCrash Override44CybersecuritySan Francisco, United States$5.0M
Open source
- GRGreptile44AI Coding AssistantSan Francisco, United States$6.5M
Open source
Bubble Lab44Artificial IntelligenceOpen source · Self-hostable
Kiro IDE44Artificial IntelligenceSan Francisco, United StatesOpen source
Open Source Endowment44Open SourceSan Francisco, United States$750KOpen source · Self-hostable
Graftcode44Software DevelopmentWarsaw, Poland$2.1MOpen source
Lava Network43BlockchainWilmington, United States$27.0MOpen source
OWASP37CybersecurityRaleigh, USAOpen source · Self-hostable
Gigaroo37Fintech$2.5MOpen source
Cloud Native Computing Foundation35Cloud ComputingIrvine, United StatesOpen source · Self-hostable
Provengo34EnterpriseTel Aviv, IsraelOpen source
Galaxy33Software DevelopmentNew York City, United States$2.0BOpen source
| Company | Sector | License | HQ | Funding | Score | Website |
|---|---|---|---|---|---|---|
| Ubuntu | Operating Systems | Open source · Self-hostable | London, United Kingdom | $63.0M | 85 | |
| Polygon | Blockchain | Open source | Mumbai, India | $400.0M | 81 | |
| Cursor | Artificial Intelligence | Open source | San Francisco, United States | $2.9B | 80 | |
| Cursor (Anysphere) | Artificial Intelligence | Open source | San Francisco, United States | $4.8B | 77 | |
| NemoClaw | Artificial Intelligence | Open source · Self-hostable | — | — | 75 | |
| StarkWare | Blockchain | Open source | Tel Aviv, Israel | $180.0M | 73 | |
| Codeium | Artificial Intelligence | Open source | Mountain View, United States | $396.7M | 71 | |
| Nx | Software Development | Open source | San Francisco, USA | $63.0M | 64 | |
| Qodo | AI Coding Assistant | Open source | Tel Aviv, Israel | $1.5M | 64 | |
| Netguru | Software Development | Open source | Poznań, Poland | $63.0M | 63 | |
| Aurora Labs | Automotive | Open source | Tel Aviv, Israel | $99.6M | 63 | |
| Odigos | Enterprise | Open source · Self-hostable | — | $13.0M | 62 | |
| Lightrun | Enterprise | Open source | Tel Aviv, Israel | $115.0M | 62 | |
| Monad Labs | Blockchain | Open source | New York, United States | $266.0M | 62 | |
| Veracode | Cybersecurity | Open source | Burlington, United States | $40.0M | 62 | |
| Auto-Gen | Artificial Intelligence | Open source | Redmond, USA | $100.0M | 62 | |
| Solana | Blockchain | Open source | San Francisco, United States | $195.5M | 61 | |
| Codefresh | Enterprise | Open source · Self-hostable | Brisbane, Australia | $42.0M | 61 | |
| Komodor | Software Development | Open source | Tel Aviv, Israel | $67.0M | 61 | |
| Gitar | Artificial Intelligence | Open source | San Francisco, USA | $9.0M | 61 | |
| Appwrite | Enterprise | Open source · Self-hostable | San Francisco, United States | $37.0M | 61 | |
| Continue | AI | Open source | San Francisco, United States | $70.1M | 61 | |
| JetBrains | Software Development | Open source | Prague, Czech Republic | — | 60 | |
| flox | Enterprise | Open source | San Francisco, United States | $42.6M | 58 | |
| Axiom Quant | Artificial Intelligence | Open source | San Francisco, United States | $264.0M | 58 | |
| BLACKBOX.AI | AI | Open source | San Francisco, United States | $38.3M | 57 | |
| Boost Security | Cybersecurity | Open source | San Francisco, USA | $12.0M | 57 | |
| Salto | DevOps | Open source | Tel Aviv, Israel | $69.0M | 56 | |
| GitGuardian | Cybersecurity | Open source | Paris, France | $50.0M | 56 | |
| Bluebricks | Enterprise | Open source | San Francisco, United States | $4.5M | 55 | |
| Datree | Kubernetes | Open source | Tel Aviv, Israel | $14.0M | 55 | |
| SHSheBuilds | Artificial Intelligence | Open source | San Francisco, USA | $63.0M | 55 | |
| Metoro | Software Development | Open source | San Fransisco, US | — | 55 | |
| KiloClaw | Artificial Intelligence | Open source · Self-hostable | — | — | 54 | |
| MetalBear | Software Development | Open source · Self-hostable | San Francisco, United States | $12.5M | 54 | |
| Insomnia | API Management | Open source | San Francisco, United States | $75.0M | 54 | |
| StepSecurity | Cybersecurity | Open source | San Francisco, USA | $63.0M | 54 | |
| Ingenium Marine Solutions Pvt. Ltd. | Maritime Technology | Open source | Mumbai, India | $701K | 54 | |
| Korbit AI | AI Coding Assistant | Open source | Tel Aviv, Israel | — | 54 | |
| Speedb | Enterprise | Open source · Self-hostable | Tel Aviv, Israel | $17.0M | 52 | |
| Runhouse | Enterprise | Open source | San Francisco, United States | $4.9M | 52 | |
| Monad | Blockchain | Open source | New York, United States | $259.0M | 50 | |
| TanStack | Software Development | Open source · Self-hostable | San Francisco, Canada | $1.0M | 50 | |
| All-Hands AI | Agentic AI | Open source · Self-hostable | Boston, United States | $5.0M | 50 | |
| Ryvn | Software Development | Open source | New York, US | $500K | 50 | |
| Oplane | Cybersecurity | Open source | Malmö, Sweden | $4.5M | 49 | |
| Astral Software | Developer Tools | Open source | San Francisco, United States | — | 49 | |
| 2121st.dev | AI | Open source | San Francisco, United States | $500K | 46 | |
| CRCrash Override | Cybersecurity | Open source | San Francisco, United States | $5.0M | 44 | |
| GRGreptile | AI Coding Assistant | Open source | San Francisco, United States | $6.5M | 44 | |
| Bubble Lab | Artificial Intelligence | Open source · Self-hostable | — | — | 44 | |
| Kiro IDE | Artificial Intelligence | Open source | San Francisco, United States | — | 44 | |
| Open Source Endowment | Open Source | Open source · Self-hostable | San Francisco, United States | $750K | 44 | |
| Graftcode | Software Development | Open source | Warsaw, Poland | $2.1M | 44 | |
| Lava Network | Blockchain | Open source | Wilmington, United States | $27.0M | 43 | |
| OWASP | Cybersecurity | Open source · Self-hostable | Raleigh, USA | — | 37 | |
| Gigaroo | Fintech | Open source | — | $2.5M | 37 | |
| Cloud Native Computing Foundation | Cloud Computing | Open source · Self-hostable | Irvine, United States | — | 35 | |
| Provengo | Enterprise | Open source | Tel Aviv, Israel | — | 34 | |
| Galaxy | Software Development | Open source | New York City, United States | $2.0B | 33 |