Open source focus
Open Source Alternatives to Doppio Games
60 open source Conversational AI options similar to Doppio Games, 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.
Vapi65Voice AISan Francisco, United States$74.3MOpen source
Bland64Voice AISan Francisco, United States$51.0MOpen source
Cognigy (NICE)63Voice AgentDüsseldorf, GermanyOpen source
Sendbird61Conversational AISan Mateo, United StatesOpen source
Voca.ai54SpeechTel Aviv, Israel$6.1MOpen source
- COCognigy50Voice AgentDüsseldorf, Germany$156.5M
Open source
Vocode50Open SourceSan Francisco, United States$3.8MOpen source · Self-hostable
Saperly43Voice AISan Francisco, United States$2.0MOpen source
Cekura40Agentic AITel Aviv, IsraelOpen source
Symbl.ai36Voice AISan Francisco, United States$6.4MOpen source
Lionwire17Voice AIOpen source
Metadialogues15Conversational AIOpen source
Convo10Voice AISan Francisco, United StatesOpen source
LingseeVoice AITel Aviv, IsraelOpen source
IntervyouAI AgentOpen source
GetpointVoice AITel Aviv, IsraelOpen source
IbodycamVoice AIOpen source
- CallrichVoice AI
Open source
Nomi57AI CopilotSan Francisco, United States$180.0MOpen source
Jako.ai20EnterpriseTel Aviv, IsraelOpen source
Mirrorfly11Agentic AIOpen source
SynchumanVoice AITel Aviv, IsraelOpen source
Kyutai69Frontier AI LabParis, France$300.0MOpen source · Self-hostable
Genesys Cloud CX64Contact Center AIDaly City, United States$3.9BOpen source
Cartesia64Voice AISan Francisco, United States$191.0MOpen source
Resemble AI55Voice AINew York, United States$36.5MOpen source
- OBOBOt AI49Conversational AITel Aviv, Israel$5.0M
Open source
Coqui48Voice AIBerlin, Germany$2.0MOpen source · Self-hostable
- SASales Interaction Agent47Agentic AISan Francisco, United States$5.0M
Open source
Lucida AI46Artificial IntelligenceSan Francisco, United States$7.0MOpen source
- OBoBot.ai45Conversational AITel Aviv, Israel$3.5M
Open source
- BLBlip41Voice AISão Paulo, Brazil$10.0M
Open source
Tryagentically40Agentic AISan Francisco, United StatesOpen source
Clara Ai40Conversational AISan Francisco, United StatesOpen source
Plurai34Conversational AITel Aviv, IsraelOpen source
Callbravo34Voice AITel Aviv, Israel$1.5MOpen source
Aquotiq32Conversational AILouth, United KingdomOpen source
Thenvoi AI Ltd31Conversational AILondon, United KingdomOpen source
Zenthic15Conversational AISan Francisco, United StatesOpen source
Etherwaves AI14Conversational AIOpen source
evo.ninja12Agentic AIOpen source
Fluentco9Voice AISan Francisco, United StatesOpen source
Appquest2Conversational AITel Aviv, IsraelOpen source
KotokuConversational AITel Aviv, IsraelOpen source
LetustalkVoice AIOpen source
- Chisp TechnologiesConversational AITel Aviv, Israel
Open source
TelenowVoice AISan Francisco, United StatesOpen source
ScalinaConversational AIOpen source
KaaiaConversational AITel Aviv, IsraelOpen source
Mister WolfAgentic AITel Aviv, IsraelOpen source
RevochatConversational AIOpen source
DomulisConversational AILondon, United KingdomOpen source
Google Cloud Text-to-SpeechVoice AIMountain View, United StatesOpen source
XallarapConversational AIOpen source
Deepgram65NeocloudSan Francisco, United States$177.1MOpen source
Rasa Technologies GmbH62Conversational AISan Francisco, United States$73.4MOpen source
Cluely58Agentic AISan Francisco, United StatesOpen source
Meaning55Artificial IntelligenceTel Aviv, IsraelOpen source
regard54HealthcareSan Francisco, United StatesOpen source
Rasa49Conversational AIBerlin, Germany$13.0MOpen source · Self-hostable
| Company | Sector | License | HQ | Funding | Score |
|---|---|---|---|---|---|
| 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 |
| Sendbird | Conversational AI | Open source | San Mateo, United States | — | 61 |
| Voca.ai | Speech | Open source | Tel Aviv, Israel | $6.1M | 54 |
| COCognigy | Voice Agent | Open source | Düsseldorf, Germany | $156.5M | 50 |
| Vocode | Open Source | Open source · Self-hostable | San Francisco, United States | $3.8M | 50 |
| Saperly | Voice AI | Open source | San Francisco, United States | $2.0M | 43 |
| Cekura | Agentic AI | Open source | Tel Aviv, Israel | — | 40 |
| Symbl.ai | Voice AI | Open source | San Francisco, United States | $6.4M | 36 |
| Lionwire | Voice AI | Open source | — | — | 17 |
| Metadialogues | Conversational AI | Open source | — | — | 15 |
| Convo | Voice AI | Open source | San Francisco, United States | — | 10 |
| Lingsee | Voice AI | Open source | Tel Aviv, Israel | — | — |
| Intervyou | AI Agent | Open source | — | — | — |
| Getpoint | Voice AI | Open source | Tel Aviv, Israel | — | — |
| Ibodycam | Voice AI | Open source | — | — | — |
| Voice AI | Open source | — | — | — | |
| Nomi | AI Copilot | Open source | San Francisco, United States | $180.0M | 57 |
| Jako.ai | Enterprise | Open source | Tel Aviv, Israel | — | 20 |
| Mirrorfly | Agentic AI | Open source | — | — | 11 |
| Synchuman | Voice AI | Open source | Tel Aviv, Israel | — | — |
| Kyutai | Frontier AI Lab | Open source · Self-hostable | Paris, France | $300.0M | 69 |
| 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 |
| Resemble AI | Voice AI | Open source | New York, United States | $36.5M | 55 |
| OBOBOt AI | Conversational AI | Open source | Tel Aviv, Israel | $5.0M | 49 |
| Coqui | Voice AI | Open source · Self-hostable | Berlin, Germany | $2.0M | 48 |
| SASales Interaction Agent | Agentic AI | Open source | San Francisco, United States | $5.0M | 47 |
| Lucida AI | Artificial Intelligence | Open source | San Francisco, United States | $7.0M | 46 |
| OBoBot.ai | Conversational AI | Open source | Tel Aviv, Israel | $3.5M | 45 |
| BLBlip | Voice AI | Open source | São Paulo, Brazil | $10.0M | 41 |
| Tryagentically | Agentic AI | Open source | San Francisco, United States | — | 40 |
| Clara Ai | Conversational AI | Open source | San Francisco, United States | — | 40 |
| Plurai | Conversational AI | Open source | Tel Aviv, Israel | — | 34 |
| Callbravo | Voice AI | Open source | Tel Aviv, Israel | $1.5M | 34 |
| Aquotiq | Conversational AI | Open source | Louth, United Kingdom | — | 32 |
| Thenvoi AI Ltd | Conversational AI | Open source | London, United Kingdom | — | 31 |
| Zenthic | Conversational AI | Open source | San Francisco, United States | — | 15 |
| Etherwaves AI | Conversational AI | Open source | — | — | 14 |
| evo.ninja | Agentic AI | Open source | — | — | 12 |
| Fluentco | Voice AI | Open source | San Francisco, United States | — | 9 |
| Appquest | Conversational AI | Open source | Tel Aviv, Israel | — | 2 |
| Kotoku | Conversational AI | Open source | Tel Aviv, Israel | — | — |
| Letustalk | Voice AI | Open source | — | — | — |
| Conversational AI | Open source | Tel Aviv, Israel | — | — | |
| Telenow | Voice AI | Open source | San Francisco, United States | — | — |
| Scalina | Conversational AI | Open source | — | — | — |
| Kaaia | Conversational AI | Open source | Tel Aviv, Israel | — | — |
| Mister Wolf | Agentic AI | Open source | Tel Aviv, Israel | — | — |
| Revochat | Conversational AI | Open source | — | — | — |
| Domulis | Conversational AI | Open source | London, United Kingdom | — | — |
| Google Cloud Text-to-Speech | Voice AI | Open source | Mountain View, United States | — | — |
| Xallarap | Conversational AI | Open source | — | — | — |
| Deepgram | Neocloud | Open source | San Francisco, United States | $177.1M | 65 |
| Rasa Technologies GmbH | Conversational AI | Open source | San Francisco, United States | $73.4M | 62 |
| Cluely | Agentic AI | Open source | San Francisco, United States | — | 58 |
| Meaning | Artificial Intelligence | Open source | Tel Aviv, Israel | — | 55 |
| regard | Healthcare | Open source | San Francisco, United States | — | 54 |
| Rasa | Conversational AI | Open source · Self-hostable | Berlin, Germany | $13.0M | 49 |