Open source focus
Open Source Alternatives to czaiczek, s.r.o.
60 open source AI Agents options similar to czaiczek, s.r.o., 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.
KNIME62Data Science PlatformZurich, Switzerland$30.0MOpen source
AIMLAPI26API PlatformTallinn, EstoniaOpen source
Fiducia AI18Artificial IntelligenceNew York, United StatesOpen source
AllAspect14MarketingOpen source
Modelglass12AI InfrastructureSydney, AustraliaOpen source
PipclawAI AgentOpen source
GlovityAI InfrastructureOpen source
FashinFashion TechOpen source
OpenAI84Artificial IntelligenceSan Francisco, United States$493.9BOpen source
SpaceXAI76Frontier AI LabPalo Alto, United States$90.0BOpen source
Arena71Artificial IntelligenceBerkeley, USA$250.0MOpen source
Coframe70AI-Managed PlatformSan Francisco, United States$9.3MOpen source
Qdrant70Vector DatabaseBerlin, Germany$96.5MOpen source · Self-hostable
Lacentral69Frontier AI Lab$11.3BOpen source
Pinecone69AI InfrastructureSan Francisco, United States$138.0MOpen source
- MOMoonshot AI68Frontier AI LabBeijing, China$3.9B
Open source
Arize AI65AI ObservabilityBerkeley, United StatesOpen source
ClearML64AutoMLTel Aviv, Israel$11.0MOpen source · Self-hostable
TwelveLabs64Video IntelligenceSan Francisco, United States$68.0MOpen source
Trigger Device Inc63AI AgentsLondon, United Kingdom$16.5MOpen source · Self-hostable
Rasa Technologies GmbH62Conversational AISan Francisco, United States$73.4MOpen source
Hyperstack62GPU-as-a-ServiceLondon, United KingdomOpen source
Fiddler Labs, Inc.62MLOpsMountain View, United States$39.0MOpen source
Embedder (YC S25)61AI AgentsSan Francisco, United States$625.0MOpen source
Shufti Pro61Identity VerificationLondon, United Kingdom$21.0MOpen source
Holistic AI61AI GovernanceLondon, United Kingdom$335.0MOpen source
Apify60Web ScrapingPrague, Czech Republic$3.5MOpen source
Smartex.ai58Textile ManufacturingPorto, Portugal$24.7MOpen source
Agency58Agentic AISan Francisco, United States$20.0MOpen source
Tavily57Generative AITel Aviv, Israel$5.0MOpen source
xpander.ai57Artificial IntelligenceTel Aviv, Israel$3.0MOpen source
Prior Labs56Foundation ModelFreiburg, Germany$9.3MOpen source
Auto-GPT56Agentic AI$12.0MOpen source · Self-hostable
RunwayML56Generative AINew York, United StatesOpen source
Quotient AI56Artificial IntelligenceBoston, United States$5.5MOpen source
Chai56AI ChatbotSan Francisco, United States$60.0MOpen source
- BRBria56Generative AITel Aviv, Israel$130.5M
Open source
Flux Kontext AI54AI Image GenerationFreiburg im Breisgau, GermanyOpen source
Leo54FintechNew York, United States$6.6MOpen source
Vellum54Synthetic Data GenerationSan Francisco, United States$15.0MOpen source
KiloClaw54Artificial IntelligenceOpen source · Self-hostable
Maneva .54AI Solutions for ManufacturingToronto, CanadaOpen source
Merge Labs54Agentic AISan Francisco, United States$24.0MOpen source
MosaicML (now Databricks)54Foundation ModelSan Francisco, United States$3.0BOpen source
M Magical54Artificial IntelligenceSan Francisco, United StatesOpen source
Senecio Robotics53AgritechTel Aviv, Israel$12.0MOpen source
Ultravox.ai52Agentic AISan Francisco, United States$10.0MOpen source
Modal Labs52Agentic AISan Francisco, United States$693.0MOpen source
Deepnen50New Media$115.3MOpen source
Visual Layer50DatabaseTel Aviv, Israel$7.0MOpen source · Self-hostable
OpenSpace50SpaceTechSan Francisco, United StatesOpen source
Rasa49Conversational AIBerlin, Germany$13.0MOpen source · Self-hostable
Twelve Labs49Video AISan Francisco, United States$62.0MOpen source
TestMu AI48AI TestingSan Francisco, United States$1.0MOpen source
CustomGPT46AI ChatbotTel Aviv, Israel$1.0MOpen source
Mendral46Agentic AISan Francisco, United States$15.0MOpen source
Dante45Artificial Intelligence$1.5MOpen source
Chaty.ai45AI AgentsGold Coast, Australia$1.0MOpen source
vibecode.dev44Agentic AISan Francisco, United States$1.5MOpen source
Frenn44EnterpriseOpen source
| Company | Sector | License | HQ | Funding | Score | Website |
|---|---|---|---|---|---|---|
| KNIME | Data Science Platform | Open source | Zurich, Switzerland | $30.0M | 62 | |
| AIMLAPI | API Platform | Open source | Tallinn, Estonia | — | 26 | |
| Fiducia AI | Artificial Intelligence | Open source | New York, United States | — | 18 | |
| AllAspect | Marketing | Open source | — | — | 14 | |
| Modelglass | AI Infrastructure | Open source | Sydney, Australia | — | 12 | |
| Pipclaw | AI Agent | Open source | — | — | — | |
| Glovity | AI Infrastructure | Open source | — | — | — | |
| Fashin | Fashion Tech | Open source | — | — | — | |
| OpenAI | Artificial Intelligence | Open source | San Francisco, United States | $493.9B | 84 | |
| SpaceXAI | Frontier AI Lab | Open source | Palo Alto, United States | $90.0B | 76 | |
| Arena | Artificial Intelligence | Open source | Berkeley, USA | $250.0M | 71 | |
| Coframe | AI-Managed Platform | Open source | San Francisco, United States | $9.3M | 70 | |
| Qdrant | Vector Database | Open source · Self-hostable | Berlin, Germany | $96.5M | 70 | |
| Lacentral | Frontier AI Lab | Open source | — | $11.3B | 69 | |
| Pinecone | AI Infrastructure | Open source | San Francisco, United States | $138.0M | 69 | |
| MOMoonshot AI | Frontier AI Lab | Open source | Beijing, China | $3.9B | 68 | |
| Arize AI | AI Observability | Open source | Berkeley, United States | — | 65 | |
| ClearML | AutoML | Open source · Self-hostable | Tel Aviv, Israel | $11.0M | 64 | |
| TwelveLabs | Video Intelligence | Open source | San Francisco, United States | $68.0M | 64 | |
| Trigger Device Inc | AI Agents | Open source · Self-hostable | London, United Kingdom | $16.5M | 63 | |
| Rasa Technologies GmbH | Conversational AI | Open source | San Francisco, United States | $73.4M | 62 | |
| Hyperstack | GPU-as-a-Service | Open source | London, United Kingdom | — | 62 | |
| Fiddler Labs, Inc. | MLOps | Open source | Mountain View, United States | $39.0M | 62 | |
| Embedder (YC S25) | AI Agents | Open source | San Francisco, United States | $625.0M | 61 | |
| Shufti Pro | Identity Verification | Open source | London, United Kingdom | $21.0M | 61 | |
| Holistic AI | AI Governance | Open source | London, United Kingdom | $335.0M | 61 | |
| Apify | Web Scraping | Open source | Prague, Czech Republic | $3.5M | 60 | |
| Smartex.ai | Textile Manufacturing | Open source | Porto, Portugal | $24.7M | 58 | |
| Agency | Agentic AI | Open source | San Francisco, United States | $20.0M | 58 | |
| Tavily | Generative AI | Open source | Tel Aviv, Israel | $5.0M | 57 | |
| xpander.ai | Artificial Intelligence | Open source | Tel Aviv, Israel | $3.0M | 57 | |
| Prior Labs | Foundation Model | Open source | Freiburg, Germany | $9.3M | 56 | |
| Auto-GPT | Agentic AI | Open source · Self-hostable | — | $12.0M | 56 | |
| RunwayML | Generative AI | Open source | New York, United States | — | 56 | |
| Quotient AI | Artificial Intelligence | Open source | Boston, United States | $5.5M | 56 | |
| Chai | AI Chatbot | Open source | San Francisco, United States | $60.0M | 56 | |
| BRBria | Generative AI | Open source | Tel Aviv, Israel | $130.5M | 56 | |
| Flux Kontext AI | AI Image Generation | Open source | Freiburg im Breisgau, Germany | — | 54 | |
| Leo | Fintech | Open source | New York, United States | $6.6M | 54 | |
| Vellum | Synthetic Data Generation | Open source | San Francisco, United States | $15.0M | 54 | |
| KiloClaw | Artificial Intelligence | Open source · Self-hostable | — | — | 54 | |
| Maneva . | AI Solutions for Manufacturing | Open source | Toronto, Canada | — | 54 | |
| Merge Labs | Agentic AI | Open source | San Francisco, United States | $24.0M | 54 | |
| MosaicML (now Databricks) | Foundation Model | Open source | San Francisco, United States | $3.0B | 54 | |
| M Magical | Artificial Intelligence | Open source | San Francisco, United States | — | 54 | |
| Senecio Robotics | Agritech | Open source | Tel Aviv, Israel | $12.0M | 53 | |
| Ultravox.ai | Agentic AI | Open source | San Francisco, United States | $10.0M | 52 | |
| Modal Labs | Agentic AI | Open source | San Francisco, United States | $693.0M | 52 | |
| Deepnen | New Media | Open source | — | $115.3M | 50 | |
| Visual Layer | Database | Open source · Self-hostable | Tel Aviv, Israel | $7.0M | 50 | |
| OpenSpace | SpaceTech | Open source | San Francisco, United States | — | 50 | |
| Rasa | Conversational AI | Open source · Self-hostable | Berlin, Germany | $13.0M | 49 | |
| Twelve Labs | Video AI | Open source | San Francisco, United States | $62.0M | 49 | |
| TestMu AI | AI Testing | Open source | San Francisco, United States | $1.0M | 48 | |
| CustomGPT | AI Chatbot | Open source | Tel Aviv, Israel | $1.0M | 46 | |
| Mendral | Agentic AI | Open source | San Francisco, United States | $15.0M | 46 | |
| Dante | Artificial Intelligence | Open source | — | $1.5M | 45 | |
| Chaty.ai | AI Agents | Open source | Gold Coast, Australia | $1.0M | 45 | |
| vibecode.dev | Agentic AI | Open source | San Francisco, United States | $1.5M | 44 | |
| Frenn | Enterprise | Open source | — | — | 44 |