Open source focus
Melissa is open source
Open Source Alternatives to Melissa
60 open source Customer Data Platform options similar to Melissa, 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.
Theo AI30AI Tools & AppsTel Aviv, Israel$6.4MOpen source
FlyingelephantsGenerative AITel Aviv, IsraelOpen source
MotorwerkGenerative AITel Aviv, IsraelOpen source
- EffervescenceGenerative AISan Francisco, United States
Open source
AdsmuseAdTechTel Aviv, IsraelOpen source
CohartcocoGenerative AIOpen source
FounderKitSaaS ToolkitSan Francisco, United StatesOpen source
BugaboohaGenerative AITel Aviv, IsraelOpen source
Pola.rs63AI Search EngineTel Aviv, Israel$26.0MOpen source
Stable Diffusion61Generative AILondon, United Kingdom$101.0MOpen source · Self-hostable
Warp59AI Tools & AppsSan Francisco, United States$60.0MOpen source
Black Forest Labs50EdTechSan Francisco, United States$611.0MOpen source
- MKMK147Generative AISan Francisco, United States
Open source
AI Garden45Agentic AITel Aviv, IsraelOpen source
SuperPop42Generative AISan Francisco, United StatesOpen source
Ann Education40Education$1.0MOpen source
Firstprinciplesgtm33Agentic AISan Francisco, United StatesOpen source
Vambe31Generative AITel Aviv, Israel$14.0MOpen source
Gemini CLI27AI Tools & AppsOpen source · Self-hostable
Uzerz26AI EnablersOpen source
Bitrawr25AI Tools & AppsTel Aviv, IsraelOpen source
RE2320Real EstateNew York, United StatesOpen source
Peerreviewai18AI InfrastructureOpen source
- Mightymob14Agentic AITel Aviv, Israel
Open source
AllAspect14MarketingOpen source
Reworkd13Agentic AITel Aviv, IsraelOpen source
LlamaAi (DefiLlama)10FintechOpen source
lIdée10AI Search EngineTel Aviv, IsraelOpen source
Algorythms8AI Tools & AppsOpen source
Amadeusbio6BiotechOpen source
360sprint4Agentic AITel Aviv, IsraelOpen source
LozaraAgentic AITel Aviv, IsraelOpen source
StewardshipintelligenceAI Tools & AppsOpen source
CardinaleaAI Tools & AppsOpen source
MedinanetAgentic AITel Aviv, IsraelOpen source
Loop IqAI Tools & AppsOpen source
MmosGamingOpen source
PinarliAgentic AITel Aviv, IsraelOpen source
RevanipulseAgentic AIOpen source
RajyanEdTechSan Francisco, United StatesOpen source
DarkmarketE-commerceOpen source
CreatstratGenerative AITel Aviv, Israel$1.0MOpen source
FwrapGenerative AITel Aviv, IsraelOpen source
Cyntra AiGenerative AITel Aviv, IsraelOpen source
Aurora PlatformGenerative AITel Aviv, IsraelOpen source
LiveitallAgentic AIOpen source
LeanmarketingMarTechOpen source
DroppixGenerative AITel Aviv, IsraelOpen source
CausrCustomer Journey OptimizationTel Aviv, IsraelOpen source
GhoztAgentic AIOpen source
InstructionlabAI Tools & AppsSan Francisco, United StatesOpen source
SteliausercontentGenerative AITel Aviv, IsraelOpen source
- XAxAI78Frontier AI LabPalo Alto, United States$90.0B
Open source
Together AI76AI InfrastructureSan Francisco, United States$906.0MOpen source · Self-hostable
NemoClaw75Artificial IntelligenceOpen source · Self-hostable
Lovable75No-Code/Low-CodeStockholm, Sweden$880.2MOpen source
Algolia75Search TechnologySan Francisco, United States$334.2MOpen source
Manus AI75Agentic AISingapore, Singapore$150.0MOpen source
Thinking Machines Lab74Frontier AI LabSan Francisco, United States$3.4BOpen source
Arena71Artificial IntelligenceBerkeley, USA$250.0MOpen source
| Company | Sector | License | HQ | Funding | Score |
|---|---|---|---|---|---|
| Theo AI | AI Tools & Apps | Open source | Tel Aviv, Israel | $6.4M | 30 |
| Flyingelephants | Generative AI | Open source | Tel Aviv, Israel | — | — |
| Motorwerk | Generative AI | Open source | Tel Aviv, Israel | — | — |
| Generative AI | Open source | San Francisco, United States | — | — | |
| Adsmuse | AdTech | Open source | Tel Aviv, Israel | — | — |
| Cohartcoco | Generative AI | Open source | — | — | — |
| FounderKit | SaaS Toolkit | Open source | San Francisco, United States | — | — |
| Bugabooha | Generative AI | Open source | Tel Aviv, Israel | — | — |
| Pola.rs | AI Search Engine | Open source | Tel Aviv, Israel | $26.0M | 63 |
| Stable Diffusion | Generative AI | Open source · Self-hostable | London, United Kingdom | $101.0M | 61 |
| Warp | AI Tools & Apps | Open source | San Francisco, United States | $60.0M | 59 |
| Black Forest Labs | EdTech | Open source | San Francisco, United States | $611.0M | 50 |
| MKMK1 | Generative AI | Open source | San Francisco, United States | — | 47 |
| AI Garden | Agentic AI | Open source | Tel Aviv, Israel | — | 45 |
| SuperPop | Generative AI | Open source | San Francisco, United States | — | 42 |
| Ann Education | Education | Open source | — | $1.0M | 40 |
| Firstprinciplesgtm | Agentic AI | Open source | San Francisco, United States | — | 33 |
| Vambe | Generative AI | Open source | Tel Aviv, Israel | $14.0M | 31 |
| Gemini CLI | AI Tools & Apps | Open source · Self-hostable | — | — | 27 |
| Uzerz | AI Enablers | Open source | — | — | 26 |
| Bitrawr | AI Tools & Apps | Open source | Tel Aviv, Israel | — | 25 |
| RE23 | Real Estate | Open source | New York, United States | — | 20 |
| Peerreviewai | AI Infrastructure | Open source | — | — | 18 |
| Agentic AI | Open source | Tel Aviv, Israel | — | 14 | |
| AllAspect | Marketing | Open source | — | — | 14 |
| Reworkd | Agentic AI | Open source | Tel Aviv, Israel | — | 13 |
| LlamaAi (DefiLlama) | Fintech | Open source | — | — | 10 |
| lIdée | AI Search Engine | Open source | Tel Aviv, Israel | — | 10 |
| Algorythms | AI Tools & Apps | Open source | — | — | 8 |
| Amadeusbio | Biotech | Open source | — | — | 6 |
| 360sprint | Agentic AI | Open source | Tel Aviv, Israel | — | 4 |
| Lozara | Agentic AI | Open source | Tel Aviv, Israel | — | — |
| Stewardshipintelligence | AI Tools & Apps | Open source | — | — | — |
| Cardinalea | AI Tools & Apps | Open source | — | — | — |
| Medinanet | Agentic AI | Open source | Tel Aviv, Israel | — | — |
| Loop Iq | AI Tools & Apps | Open source | — | — | — |
| Mmos | Gaming | Open source | — | — | — |
| Pinarli | Agentic AI | Open source | Tel Aviv, Israel | — | — |
| Revanipulse | Agentic AI | Open source | — | — | — |
| Rajyan | EdTech | Open source | San Francisco, United States | — | — |
| Darkmarket | E-commerce | Open source | — | — | — |
| Creatstrat | Generative AI | Open source | Tel Aviv, Israel | $1.0M | — |
| Fwrap | Generative AI | Open source | Tel Aviv, Israel | — | — |
| Cyntra Ai | Generative AI | Open source | Tel Aviv, Israel | — | — |
| Aurora Platform | Generative AI | Open source | Tel Aviv, Israel | — | — |
| Liveitall | Agentic AI | Open source | — | — | — |
| Leanmarketing | MarTech | Open source | — | — | — |
| Droppix | Generative AI | Open source | Tel Aviv, Israel | — | — |
| Causr | Customer Journey Optimization | Open source | Tel Aviv, Israel | — | — |
| Ghozt | Agentic AI | Open source | — | — | — |
| Instructionlab | AI Tools & Apps | Open source | San Francisco, United States | — | — |
| Steliausercontent | Generative AI | Open source | Tel Aviv, Israel | — | — |
| XAxAI | Frontier AI Lab | Open source | Palo Alto, United States | $90.0B | 78 |
| Together AI | AI Infrastructure | Open source · Self-hostable | San Francisco, United States | $906.0M | 76 |
| NemoClaw | Artificial Intelligence | Open source · Self-hostable | — | — | 75 |
| Lovable | No-Code/Low-Code | Open source | Stockholm, Sweden | $880.2M | 75 |
| Algolia | Search Technology | Open source | San Francisco, United States | $334.2M | 75 |
| Manus AI | Agentic AI | Open source | Singapore, Singapore | $150.0M | 75 |
| Thinking Machines Lab | Frontier AI Lab | Open source | San Francisco, United States | $3.4B | 74 |
| Arena | Artificial Intelligence | Open source | Berkeley, USA | $250.0M | 71 |