Open source focus
Open Source Alternatives to Captionai
60 open source MarTech options similar to Captionai, 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.
Slopbyslop6Generative AIOpen source
HavablastMarTechOpen source
CircularcontentMarTechOpen source
Hightouch70Customer Data PlatformSan Francisco, United States$322.0MOpen source
Tot54Creative OperationsNew York, United States$7.6MOpen source
Akool47Generative AIPalo Alto, United States$40.0MOpen source
Postiz37Agentic AITel Aviv, Israel$1.0MOpen source
Gizzmo27MediaOpen source
Neuralbids17AdTechOpen source
FireRed Image10AI Image GenerationOpen source
- AigrowwContent Creation AI
Open source
BrandsystemsMarTechOpen source
RunninglocalMarTechOpen source
GeminatorGenerative AIOpen source
GhoztAgentic AIOpen source
LiveitallAgentic AIOpen source
BellepropertyProptechOpen source
FlipdascriptGenerative AINew Jersey, United StatesOpen source
ProvendSales AutomationOpen source
MakeitflowGenerative AITel Aviv, IsraelOpen source
CultivateaiSales AutomationOpen source
NemoClaw75Artificial IntelligenceOpen source · Self-hostable
Manus AI75Agentic AISingapore, Singapore$150.0MOpen source
Runway AI72Generative AINew York, United States$666.5MOpen source
runway gen 571Generative AINew York City, United States$859.5MOpen source
PandaDoc70Document Management & eSignaturePhiladelphia, United StatesOpen source
Dust65Agentic AIParis, France$15.0MOpen source
Trigger Device Inc63AI AgentsLondon, United Kingdom$16.5MOpen source · Self-hostable
Weights & Biases (W&B)63MLOpsSan Francisco, United States$521.0MOpen source
KNIME62Data Science PlatformZurich, Switzerland$30.0MOpen source
Viktor62Artificial IntelligenceWarsaw, Poland$64.7MOpen source
Workiva62Enterprise SoftwareAmes, United StatesOpen source
Spacelift61Infrastructure as CodeWarsaw, Poland$73.6MOpen source
LangChain61Agentic AISan Francisco, United States$260.0MOpen source
Juro60LegalTechLondon, United KingdomOpen source
Composio59Agentic AISan Francisco, United States$50.0MOpen source
Agency58Agentic AISan Francisco, United States$20.0MOpen source
Axiom58LegalTechNew York, United States$764.0MOpen source
Fal58Agentic AISan Francisco, United States$182.3MOpen source
Comfy Org58AI Image Generation$30.0MOpen source
Auto-GPT56Agentic AI$12.0MOpen source · Self-hostable
timeOS56PersonalSan Francisco, United States$3.3MOpen source
- BRBria56Generative AITel Aviv, Israel$130.5M
Open source
Julius AI55Analytics PlatformSan Francisco, United States$20.5MOpen source
Spotlight.ai55EnterpriseTel Aviv, Israel$1.0MOpen source
Resemble AI55Voice AINew York, United States$36.5MOpen source
Merge Labs54Agentic AISan Francisco, United States$24.0MOpen source
KiloClaw54Artificial IntelligenceOpen source · Self-hostable
giniX54Generative AITel Aviv, IsraelOpen source
M Magical54Artificial IntelligenceSan Francisco, United StatesOpen source
Lumen554AI Video GenerationSan Francisco, United StatesOpen source
Flux Kontext AI54AI Image GenerationFreiburg im Breisgau, GermanyOpen source
Toolbase54Developer ToolsSan Francisco, United StatesOpen source
Ann Education53Education$1.0MOpen source
Delve AI53MarTechNew York, United States$33.5MOpen source
Relevance AI53Agentic AITel Aviv, Israel$12.0MOpen source
Aviro52Agentic AISan Francisco, United States$500KOpen source
Aviator51MLOpsSan Francisco, United States$2.4MOpen source
All-Hands AI50Agentic AIBoston, United States$5.0MOpen source · Self-hostable
Sharplink50Agentic AITel Aviv, Israel$996.0MOpen source
| Company | Sector | License | HQ | Funding | Score | Website |
|---|---|---|---|---|---|---|
| Slopbyslop | Generative AI | Open source | — | — | 6 | |
| Havablast | MarTech | Open source | — | — | — | |
| Circularcontent | MarTech | Open source | — | — | — | |
| Hightouch | Customer Data Platform | Open source | San Francisco, United States | $322.0M | 70 | |
| Tot | Creative Operations | Open source | New York, United States | $7.6M | 54 | |
| Akool | Generative AI | Open source | Palo Alto, United States | $40.0M | 47 | |
| Postiz | Agentic AI | Open source | Tel Aviv, Israel | $1.0M | 37 | |
| Gizzmo | Media | Open source | — | — | 27 | |
| Neuralbids | AdTech | Open source | — | — | 17 | |
| FireRed Image | AI Image Generation | Open source | — | — | 10 | |
| Content Creation AI | Open source | — | — | — | ||
| Brandsystems | MarTech | Open source | — | — | — | |
| Runninglocal | MarTech | Open source | — | — | — | |
| Geminator | Generative AI | Open source | — | — | — | |
| Ghozt | Agentic AI | Open source | — | — | — | |
| Liveitall | Agentic AI | Open source | — | — | — | |
| Belleproperty | Proptech | Open source | — | — | — | |
| Flipdascript | Generative AI | Open source | New Jersey, United States | — | — | |
| Provend | Sales Automation | Open source | — | — | — | |
| Makeitflow | Generative AI | Open source | Tel Aviv, Israel | — | — | |
| Cultivateai | Sales Automation | Open source | — | — | — | |
| NemoClaw | Artificial Intelligence | Open source · Self-hostable | — | — | 75 | |
| Manus AI | Agentic AI | Open source | Singapore, Singapore | $150.0M | 75 | |
| Runway AI | Generative AI | Open source | New York, United States | $666.5M | 72 | |
| runway gen 5 | Generative AI | Open source | New York City, United States | $859.5M | 71 | |
| PandaDoc | Document Management & eSignature | Open source | Philadelphia, United States | — | 70 | |
| Dust | Agentic AI | Open source | Paris, France | $15.0M | 65 | |
| Trigger Device Inc | AI Agents | Open source · Self-hostable | London, United Kingdom | $16.5M | 63 | |
| Weights & Biases (W&B) | MLOps | Open source | San Francisco, United States | $521.0M | 63 | |
| KNIME | Data Science Platform | Open source | Zurich, Switzerland | $30.0M | 62 | |
| Viktor | Artificial Intelligence | Open source | Warsaw, Poland | $64.7M | 62 | |
| Workiva | Enterprise Software | Open source | Ames, United States | — | 62 | |
| Spacelift | Infrastructure as Code | Open source | Warsaw, Poland | $73.6M | 61 | |
| LangChain | Agentic AI | Open source | San Francisco, United States | $260.0M | 61 | |
| Juro | LegalTech | Open source | London, United Kingdom | — | 60 | |
| Composio | Agentic AI | Open source | San Francisco, United States | $50.0M | 59 | |
| Agency | Agentic AI | Open source | San Francisco, United States | $20.0M | 58 | |
| Axiom | LegalTech | Open source | New York, United States | $764.0M | 58 | |
| Fal | Agentic AI | Open source | San Francisco, United States | $182.3M | 58 | |
| Comfy Org | AI Image Generation | Open source | — | $30.0M | 58 | |
| Auto-GPT | Agentic AI | Open source · Self-hostable | — | $12.0M | 56 | |
| timeOS | Personal | Open source | San Francisco, United States | $3.3M | 56 | |
| BRBria | Generative AI | Open source | Tel Aviv, Israel | $130.5M | 56 | |
| Julius AI | Analytics Platform | Open source | San Francisco, United States | $20.5M | 55 | |
| Spotlight.ai | Enterprise | Open source | Tel Aviv, Israel | $1.0M | 55 | |
| Resemble AI | Voice AI | Open source | New York, United States | $36.5M | 55 | |
| Merge Labs | Agentic AI | Open source | San Francisco, United States | $24.0M | 54 | |
| KiloClaw | Artificial Intelligence | Open source · Self-hostable | — | — | 54 | |
| giniX | Generative AI | Open source | Tel Aviv, Israel | — | 54 | |
| M Magical | Artificial Intelligence | Open source | San Francisco, United States | — | 54 | |
| Lumen5 | AI Video Generation | Open source | San Francisco, United States | — | 54 | |
| Flux Kontext AI | AI Image Generation | Open source | Freiburg im Breisgau, Germany | — | 54 | |
| Toolbase | Developer Tools | Open source | San Francisco, United States | — | 54 | |
| Ann Education | Education | Open source | — | $1.0M | 53 | |
| Delve AI | MarTech | Open source | New York, United States | $33.5M | 53 | |
| Relevance AI | Agentic AI | Open source | Tel Aviv, Israel | $12.0M | 53 | |
| Aviro | Agentic AI | Open source | San Francisco, United States | $500K | 52 | |
| Aviator | MLOps | Open source | San Francisco, United States | $2.4M | 51 | |
| All-Hands AI | Agentic AI | Open source · Self-hostable | Boston, United States | $5.0M | 50 | |
| Sharplink | Agentic AI | Open source | Tel Aviv, Israel | $996.0M | 50 |