Open source focus
Open Source Alternatives to Telclone
60 open source Voice AI options similar to Telclone, 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.
Coqui48Voice AIBerlin, Germany$2.0MOpen source · Self-hostable
Cartesia64Voice AISan Francisco, United States$191.0MOpen source
Resemble AI55Voice AINew York, United States$36.5MOpen source
Vocode50Open SourceSan Francisco, United States$3.8MOpen source · Self-hostable
Saperly43Voice AISan Francisco, United States$2.0MOpen source
- Anyvoice22Voice AI
Open source
Lionwire17Voice AIOpen source
Metadialogues17Conversational AIOpen source
Google Cloud Text-to-Speech15Voice AIMountain View, United StatesOpen source
Mirrorfly11Agentic AIChennai, IndiaOpen source
GetpointVoice AIOpen source
IbodycamVoice AIOpen source
CallrichVoice AIOpen source
DhvanixVoice AIOpen source
ElevenLabs79AILondon, United Kingdom$1.6BOpen source
SpaceXAI76Frontier AI LabPalo Alto, United States$90.0BOpen source
Vapi65Voice AISan Francisco, United States$74.3MOpen source
Genesys Cloud CX64Contact Center AIDaly City, United States$3.9BOpen source
Bland64Voice AISan Francisco, United States$51.0MOpen source
Cognigy (NICE)63Voice AgentDüsseldorf, GermanyOpen source
Sendbird61Conversational AISan Mateo, United StatesOpen source
- BRBria56Generative AITel Aviv, Israel$130.5M
Open source
Meaning55Artificial IntelligenceTel Aviv, IsraelOpen source
Ann Education55Education$1.0MOpen source
regard54HealthcareSan Francisco, United StatesOpen source
Ultravox.ai52Agentic AISan Francisco, United States$10.0MOpen source
- COCognigy49Voice AgentDüsseldorf, Germany$156.5M
Open source
- SASales Interaction Agent49Agentic AISan Francisco, United States$5.0M
Open source
- OBOBOt AI49Conversational AITel Aviv, Israel$5.0M
Open source
Rasa49Conversational AIBerlin, Germany$13.0MOpen source · Self-hostable
Dante45Artificial Intelligence$1.5MOpen source
- OBoBot.ai45Conversational AITel Aviv, Israel$3.5M
Open source
- BLBlip42Voice AISão Paulo, Brazil$10.0M
Open source
Postiz38Agentic AITel Aviv, Israel$1.0MOpen source
Symbl.ai36Voice AISan Francisco, United States$6.4MOpen source
Tryagentically35Agentic AIOpen source
Clara Ai35Conversational AIOpen source
Callbravo35Voice AI$1.5MOpen source
Plurai34Conversational AITel Aviv, IsraelOpen source
Vambe31Generative AITel Aviv, Israel$14.0MOpen source
Theo AI30AI Tools & AppsTel Aviv, Israel$6.4MOpen source
Gizzmo30MediaOpen source
Aquotiq28Conversational AILouth, United KingdomOpen source
Magick AI28Agentic AIOpen source
Hume AI25Voice AIUnited StatesOpen source
Reelkey23Generative AIOpen source
Thenvoi AI Ltd21Conversational AILondon, United KingdomOpen source
Jako.ai20EnterpriseTel Aviv, IsraelOpen source
Brieflow19Conversational AILondon, United KingdomOpen source
Darim17Conversational AIOpen source
Zenthic15Conversational AISan Francisco, United StatesOpen source
Etherwaves AI14Conversational AIOpen source
Modelglass12AI InfrastructureSydney, AustraliaOpen source
evo.ninja12Agentic AIOpen source
Airevl4Agentic AIOpen source
Appquest2Conversational AIOpen source
FwrapGenerative AIOpen source
DomulisConversational AIOpen source
- Chisp TechnologiesConversational AITel Aviv, Israel
Open source
MakeitflowGenerative AIOpen source
| Company | Sector | License | HQ | Funding | Score | Website |
|---|---|---|---|---|---|---|
| Coqui | Voice AI | Open source · Self-hostable | Berlin, Germany | $2.0M | 48 | |
| 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 | |
| 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 | |
| Voice AI | Open source | — | — | 22 | ||
| Lionwire | Voice AI | Open source | — | — | 17 | |
| Metadialogues | Conversational AI | Open source | — | — | 17 | |
| Google Cloud Text-to-Speech | Voice AI | Open source | Mountain View, United States | — | 15 | |
| Mirrorfly | Agentic AI | Open source | Chennai, India | — | 11 | |
| Getpoint | Voice AI | Open source | — | — | — | |
| Ibodycam | Voice AI | Open source | — | — | — | |
| Callrich | Voice AI | Open source | — | — | — | |
| Dhvanix | Voice AI | Open source | — | — | — | |
| ElevenLabs | AI | Open source | London, United Kingdom | $1.6B | 79 | |
| SpaceXAI | Frontier AI Lab | Open source | Palo Alto, United States | $90.0B | 76 | |
| Vapi | Voice AI | Open source | San Francisco, United States | $74.3M | 65 | |
| Genesys Cloud CX | Contact Center AI | Open source | Daly City, United States | $3.9B | 64 | |
| 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 | |
| BRBria | Generative AI | Open source | Tel Aviv, Israel | $130.5M | 56 | |
| Meaning | Artificial Intelligence | Open source | Tel Aviv, Israel | — | 55 | |
| Ann Education | Education | Open source | — | $1.0M | 55 | |
| regard | Healthcare | Open source | San Francisco, United States | — | 54 | |
| Ultravox.ai | Agentic AI | Open source | San Francisco, United States | $10.0M | 52 | |
| COCognigy | Voice Agent | Open source | Düsseldorf, Germany | $156.5M | 49 | |
| SASales Interaction Agent | Agentic AI | Open source | San Francisco, United States | $5.0M | 49 | |
| OBOBOt AI | Conversational AI | Open source | Tel Aviv, Israel | $5.0M | 49 | |
| Rasa | Conversational AI | Open source · Self-hostable | Berlin, Germany | $13.0M | 49 | |
| Dante | Artificial Intelligence | Open source | — | $1.5M | 45 | |
| OBoBot.ai | Conversational AI | Open source | Tel Aviv, Israel | $3.5M | 45 | |
| BLBlip | Voice AI | Open source | São Paulo, Brazil | $10.0M | 42 | |
| Postiz | Agentic AI | Open source | Tel Aviv, Israel | $1.0M | 38 | |
| Symbl.ai | Voice AI | Open source | San Francisco, United States | $6.4M | 36 | |
| Tryagentically | Agentic AI | Open source | — | — | 35 | |
| Clara Ai | Conversational AI | Open source | — | — | 35 | |
| Callbravo | Voice AI | Open source | — | $1.5M | 35 | |
| Plurai | Conversational AI | Open source | Tel Aviv, Israel | — | 34 | |
| Vambe | Generative AI | Open source | Tel Aviv, Israel | $14.0M | 31 | |
| Theo AI | AI Tools & Apps | Open source | Tel Aviv, Israel | $6.4M | 30 | |
| Gizzmo | Media | Open source | — | — | 30 | |
| Aquotiq | Conversational AI | Open source | Louth, United Kingdom | — | 28 | |
| Magick AI | Agentic AI | Open source | — | — | 28 | |
| Hume AI | Voice AI | Open source | United States | — | 25 | |
| Reelkey | Generative AI | Open source | — | — | 23 | |
| Thenvoi AI Ltd | Conversational AI | Open source | London, United Kingdom | — | 21 | |
| Jako.ai | Enterprise | Open source | Tel Aviv, Israel | — | 20 | |
| Brieflow | Conversational AI | Open source | London, United Kingdom | — | 19 | |
| Darim | Conversational AI | Open source | — | — | 17 | |
| Zenthic | Conversational AI | Open source | San Francisco, United States | — | 15 | |
| Etherwaves AI | Conversational AI | Open source | — | — | 14 | |
| Modelglass | AI Infrastructure | Open source | Sydney, Australia | — | 12 | |
| evo.ninja | Agentic AI | Open source | — | — | 12 | |
| Airevl | Agentic AI | Open source | — | — | 4 | |
| Appquest | Conversational AI | Open source | — | — | 2 | |
| Fwrap | Generative AI | Open source | — | — | — | |
| Domulis | Conversational AI | Open source | — | — | — | |
| Conversational AI | Open source | Tel Aviv, Israel | — | — | ||
| Makeitflow | Generative AI | Open source | — | — | — |