Open source focus
Open Source Alternatives to Winterlight Labs
60 open source Voice AI options similar to Winterlight Labs, 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.
EyeControl54HealthcareTel Aviv, Israel$20.0MOpen source
CogMe33HealthcareTel Aviv, IsraelOpen source
Qure.ai58HealthTechMumbai, India$144.2MOpen source
regard54HealthcareSan Francisco, United StatesOpen source
Symbl.ai36Voice AISan Francisco, United States$6.4MOpen source
AsculapianHealthTechTel Aviv, IsraelOpen source
- AimicrophoneVoice AITel Aviv, Israel
Open source
- ULUltragenyx70BiotechNovato, United States$100.0M
Open source
Kyutai69Frontier AI LabParis, France$300.0MOpen source · Self-hostable
Deepgram65NeocloudSan Francisco, United States$177.1MOpen source
Vapi65Voice AISan Francisco, United States$74.3MOpen source
Bland64Voice AISan Francisco, United States$51.0MOpen source
Cognigy (NICE)63Voice AgentDüsseldorf, GermanyOpen source
Icometrix62HealthTechAntwerp, BelgiumOpen source
Sendbird61Conversational AISan Mateo, United StatesOpen source
Cluely58Agentic AISan Francisco, United StatesOpen source
Nomi57AI CopilotSan Francisco, United States$180.0MOpen source
Voca.ai54SpeechTel Aviv, Israel$6.1MOpen source
Carta Healthcare54HealthTechSan Francisco, United StatesOpen source
QART Medical52HealthcareTel Aviv, IsraelOpen source
- COCognigy50Voice AgentDüsseldorf, Germany$156.5M
Open source
SOMAREALITY50Artificial IntelligenceVienna, Austria$3.0MOpen source
Vocode50Open SourceSan Francisco, United States$3.8MOpen source · Self-hostable
DermaDetect46DiagnosticsTel Aviv, Israel$1.5MOpen source
PhenoTA45Life SciencesBoston, United StatesOpen source
Saperly43Voice AISan Francisco, United States$2.0MOpen source
Cekura40Agentic AITel Aviv, IsraelOpen source
CatAI36HealthcareNew York, United StatesOpen source
SensifAI Health35HealthcareTel Aviv, IsraelOpen source
Latica Med25InVitro Fertilization (IVF)Tel Aviv, IsraelOpen source
Biolinked21AI-Driven Protein DesignTel Aviv, IsraelOpen source
Jako.ai20EnterpriseTel Aviv, IsraelOpen source
Lionwire17Voice AIOpen source
- MEMemorial Sloan Kettering Cancer Center17HealthTechNew York, United States
Open source
Metadialogues15Conversational AIOpen source
Aemetis15Climate TechCupertino, United StatesOpen source · Self-hostable
Mirrorfly11Agentic AIOpen source
Convo10Voice AISan Francisco, United StatesOpen source
Axonmedical4HealthTechOpen source
IntervyouAI AgentOpen source
NeuroscreenMedTechGrays, EnglandOpen source
AI Health FundArtificial IntelligenceNew York, United StatesOpen source
LingseeVoice AITel Aviv, IsraelOpen source
EazycareHealthTechOpen source
IbodycamVoice AIOpen source
RawcandorConversational AITel Aviv, IsraelOpen source
VoicevalueVoice AIOpen source
- Helena BioinformaticsHealthTechBerlin, Germany
Open source
GetpointVoice AITel Aviv, IsraelOpen source
RegenxcelBiotechOpen source
- CallrichVoice AI
Open source
Weave70Voice AILehi, United StatesOpen source
Genesys Cloud CX64Contact Center AIDaly City, United States$3.9BOpen source
Cartesia64Voice AISan Francisco, United States$191.0MOpen source
- MAMay Health62HealthTechParis, France$36.7M
Open source
Rasa Technologies GmbH62Conversational AISan Francisco, United States$73.4MOpen source
Elicit62Artificial IntelligenceOakland, United States$31.0MOpen source
Nanit61HealthcareNew York, United States$74.0MOpen source
Rhino Health60HealthcareNew York, United States$20.0MOpen source
Belkin Vision56HealthcareGeneva, Switzerland$38.5MOpen source
| Company | Sector | License | HQ | Funding | Score |
|---|---|---|---|---|---|
| EyeControl | Healthcare | Open source | Tel Aviv, Israel | $20.0M | 54 |
| CogMe | Healthcare | Open source | Tel Aviv, Israel | — | 33 |
| Qure.ai | HealthTech | Open source | Mumbai, India | $144.2M | 58 |
| regard | Healthcare | Open source | San Francisco, United States | — | 54 |
| Symbl.ai | Voice AI | Open source | San Francisco, United States | $6.4M | 36 |
| Asculapian | HealthTech | Open source | Tel Aviv, Israel | — | — |
| Voice AI | Open source | Tel Aviv, Israel | — | — | |
| ULUltragenyx | Biotech | Open source | Novato, United States | $100.0M | 70 |
| Kyutai | Frontier AI Lab | Open source · Self-hostable | Paris, France | $300.0M | 69 |
| Deepgram | Neocloud | Open source | San Francisco, United States | $177.1M | 65 |
| Vapi | Voice AI | Open source | San Francisco, United States | $74.3M | 65 |
| Bland | Voice AI | Open source | San Francisco, United States | $51.0M | 64 |
| Cognigy (NICE) | Voice Agent | Open source | Düsseldorf, Germany | — | 63 |
| Icometrix | HealthTech | Open source | Antwerp, Belgium | — | 62 |
| Sendbird | Conversational AI | Open source | San Mateo, United States | — | 61 |
| Cluely | Agentic AI | Open source | San Francisco, United States | — | 58 |
| Nomi | AI Copilot | Open source | San Francisco, United States | $180.0M | 57 |
| Voca.ai | Speech | Open source | Tel Aviv, Israel | $6.1M | 54 |
| Carta Healthcare | HealthTech | Open source | San Francisco, United States | — | 54 |
| QART Medical | Healthcare | Open source | Tel Aviv, Israel | — | 52 |
| COCognigy | Voice Agent | Open source | Düsseldorf, Germany | $156.5M | 50 |
| SOMAREALITY | Artificial Intelligence | Open source | Vienna, Austria | $3.0M | 50 |
| Vocode | Open Source | Open source · Self-hostable | San Francisco, United States | $3.8M | 50 |
| DermaDetect | Diagnostics | Open source | Tel Aviv, Israel | $1.5M | 46 |
| PhenoTA | Life Sciences | Open source | Boston, United States | — | 45 |
| Saperly | Voice AI | Open source | San Francisco, United States | $2.0M | 43 |
| Cekura | Agentic AI | Open source | Tel Aviv, Israel | — | 40 |
| CatAI | Healthcare | Open source | New York, United States | — | 36 |
| SensifAI Health | Healthcare | Open source | Tel Aviv, Israel | — | 35 |
| Latica Med | InVitro Fertilization (IVF) | Open source | Tel Aviv, Israel | — | 25 |
| Biolinked | AI-Driven Protein Design | Open source | Tel Aviv, Israel | — | 21 |
| Jako.ai | Enterprise | Open source | Tel Aviv, Israel | — | 20 |
| Lionwire | Voice AI | Open source | — | — | 17 |
| MEMemorial Sloan Kettering Cancer Center | HealthTech | Open source | New York, United States | — | 17 |
| Metadialogues | Conversational AI | Open source | — | — | 15 |
| Aemetis | Climate Tech | Open source · Self-hostable | Cupertino, United States | — | 15 |
| Mirrorfly | Agentic AI | Open source | — | — | 11 |
| Convo | Voice AI | Open source | San Francisco, United States | — | 10 |
| Axonmedical | HealthTech | Open source | — | — | 4 |
| Intervyou | AI Agent | Open source | — | — | — |
| Neuroscreen | MedTech | Open source | Grays, England | — | — |
| AI Health Fund | Artificial Intelligence | Open source | New York, United States | — | — |
| Lingsee | Voice AI | Open source | Tel Aviv, Israel | — | — |
| Eazycare | HealthTech | Open source | — | — | — |
| Ibodycam | Voice AI | Open source | — | — | — |
| Rawcandor | Conversational AI | Open source | Tel Aviv, Israel | — | — |
| Voicevalue | Voice AI | Open source | — | — | — |
| HealthTech | Open source | Berlin, Germany | — | — | |
| Getpoint | Voice AI | Open source | Tel Aviv, Israel | — | — |
| Regenxcel | Biotech | Open source | — | — | — |
| Voice AI | Open source | — | — | — | |
| Weave | Voice AI | Open source | Lehi, United States | — | 70 |
| Genesys Cloud CX | Contact Center AI | Open source | Daly City, United States | $3.9B | 64 |
| Cartesia | Voice AI | Open source | San Francisco, United States | $191.0M | 64 |
| MAMay Health | HealthTech | Open source | Paris, France | $36.7M | 62 |
| Rasa Technologies GmbH | Conversational AI | Open source | San Francisco, United States | $73.4M | 62 |
| Elicit | Artificial Intelligence | Open source | Oakland, United States | $31.0M | 62 |
| Nanit | Healthcare | Open source | New York, United States | $74.0M | 61 |
| Rhino Health | Healthcare | Open source | New York, United States | $20.0M | 60 |
| Belkin Vision | Healthcare | Open source | Geneva, Switzerland | $38.5M | 56 |