Open source focus
Open Source Alternatives to Phaistos
60 open source Conversational AI options similar to Phaistos, 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.
MoriwaConversational AIOpen source
Darim14Conversational AIOpen source
AskhorizonConversational AILondon, United KingdomOpen source
CowpokeAI AgentOpen source
MaiqaConversational AIOpen source
Cognigy (NICE)63Voice AgentDüsseldorf, GermanyOpen source
Sendbird61Conversational AISan Mateo, United StatesOpen source
- PipclawAI Agent
Open source
FlintgptConversational AIOpen source
- QmogConversational AI
Open source
XallarapConversational AIOpen source
DomulisConversational AILondon, United KingdomOpen source
AsqsConversational AITel Aviv, IsraelOpen source
KedmahConversational AITel Aviv, IsraelOpen source
Genesys Cloud CX64Contact Center AIDaly City, United States$3.9BOpen source
- COCognigy50Voice AgentDüsseldorf, Germany$156.5M
Open source
- OBOBOt AI49Conversational AITel Aviv, Israel$5.0M
Open source
- SASales Interaction Agent47Agentic AISan Francisco, United States$5.0M
Open source
- RERefold AI39Customer Service AutomationLondon, United Kingdom$6.5M
Open source
Akacia35Conversational AITel Aviv, Israel$1.5MOpen source
Callbravo34Voice AITel Aviv, Israel$1.5MOpen source
Tavvo34Conversational AITel Aviv, Israel$4.0MOpen source
- Meares17Conversational AI
Open source
Metadialogues15Conversational AIOpen source
RawqConversational AITel Aviv, IsraelOpen source
- Chisp TechnologiesConversational AITel Aviv, Israel
Open source
RitonaAI AgentTel Aviv, IsraelOpen source
LetscConversational AIOpen source
RevulaConversational AITel Aviv, IsraelOpen source
KotokuConversational AITel Aviv, IsraelOpen source
ZentokConversational AITel Aviv, IsraelOpen source
ImpulsiaConversational AIOpen source
KaaiaConversational AITel Aviv, IsraelOpen source
Mister WolfAgentic AITel Aviv, IsraelOpen source
Instant365Conversational AITel Aviv, IsraelOpen source
RonivaConversational AITel Aviv, IsraelOpen source
- KlozioAgentic AISan Francisco, United States
Open source
SarhanConversational AITel Aviv, IsraelOpen source
GetpointVoice AITel Aviv, IsraelOpen source
Bland64Voice AISan Francisco, United States$51.0MOpen source
Voca.ai54SpeechTel Aviv, Israel$6.1MOpen source
Rasa49Conversational AIBerlin, Germany$13.0MOpen source · Self-hostable
Outlit45Agentic AI$500KOpen source
Dante45Artificial Intelligence$1.5MOpen source
Hyper44Conversational AISan Francisco, United States$12.3MOpen source
- BLBlip41Voice AISão Paulo, Brazil$10.0M
Open source
Tryagentically40Agentic AISan Francisco, United StatesOpen source
Aengus35Conversational AISan Francisco, United StatesOpen source
Plurai34Conversational AITel Aviv, IsraelOpen source
Aquotiq32Conversational AILouth, United KingdomOpen source
Thenvoi AI Ltd31Conversational AILondon, United KingdomOpen source
Raincheck AI28Agentic AISan Francisco, United StatesOpen source
Corereflex22Customer Service AutomationTel Aviv, IsraelOpen source
Lionwire17Voice AIOpen source
Zenthic15Conversational AISan Francisco, United StatesOpen source
Onenexa14Conversational AIOpen source
Etherwaves AI14Conversational AIOpen source
Axscore7Customer Service AutomationTel Aviv, IsraelOpen source
Answerarc4Conversational AITel Aviv, IsraelOpen source
Afcor4Customer Service AutomationTel Aviv, IsraelOpen source
| Company | Sector | License | HQ | Funding | Score |
|---|---|---|---|---|---|
| Moriwa | Conversational AI | Open source | — | — | — |
| Darim | Conversational AI | Open source | — | — | 14 |
| Askhorizon | Conversational AI | Open source | London, United Kingdom | — | — |
| Cowpoke | AI Agent | Open source | — | — | — |
| Maiqa | Conversational AI | Open source | — | — | — |
| Cognigy (NICE) | Voice Agent | Open source | Düsseldorf, Germany | — | 63 |
| Sendbird | Conversational AI | Open source | San Mateo, United States | — | 61 |
| AI Agent | Open source | — | — | — | |
| Flintgpt | Conversational AI | Open source | — | — | — |
| Conversational AI | Open source | — | — | — | |
| Xallarap | Conversational AI | Open source | — | — | — |
| Domulis | Conversational AI | Open source | London, United Kingdom | — | — |
| Asqs | Conversational AI | Open source | Tel Aviv, Israel | — | — |
| Kedmah | Conversational AI | Open source | Tel Aviv, Israel | — | — |
| Genesys Cloud CX | Contact Center AI | Open source | Daly City, United States | $3.9B | 64 |
| COCognigy | Voice Agent | Open source | Düsseldorf, Germany | $156.5M | 50 |
| OBOBOt AI | Conversational AI | Open source | Tel Aviv, Israel | $5.0M | 49 |
| SASales Interaction Agent | Agentic AI | Open source | San Francisco, United States | $5.0M | 47 |
| RERefold AI | Customer Service Automation | Open source | London, United Kingdom | $6.5M | 39 |
| Akacia | Conversational AI | Open source | Tel Aviv, Israel | $1.5M | 35 |
| Callbravo | Voice AI | Open source | Tel Aviv, Israel | $1.5M | 34 |
| Tavvo | Conversational AI | Open source | Tel Aviv, Israel | $4.0M | 34 |
| Conversational AI | Open source | — | — | 17 | |
| Metadialogues | Conversational AI | Open source | — | — | 15 |
| Rawq | Conversational AI | Open source | Tel Aviv, Israel | — | — |
| Conversational AI | Open source | Tel Aviv, Israel | — | — | |
| Ritona | AI Agent | Open source | Tel Aviv, Israel | — | — |
| Letsc | Conversational AI | Open source | — | — | — |
| Revula | Conversational AI | Open source | Tel Aviv, Israel | — | — |
| Kotoku | Conversational AI | Open source | Tel Aviv, Israel | — | — |
| Zentok | Conversational AI | Open source | Tel Aviv, Israel | — | — |
| Impulsia | Conversational AI | Open source | — | — | — |
| Kaaia | Conversational AI | Open source | Tel Aviv, Israel | — | — |
| Mister Wolf | Agentic AI | Open source | Tel Aviv, Israel | — | — |
| Instant365 | Conversational AI | Open source | Tel Aviv, Israel | — | — |
| Roniva | Conversational AI | Open source | Tel Aviv, Israel | — | — |
| Agentic AI | Open source | San Francisco, United States | — | — | |
| Sarhan | Conversational AI | Open source | Tel Aviv, Israel | — | — |
| Getpoint | Voice AI | Open source | Tel Aviv, Israel | — | — |
| Bland | Voice AI | Open source | San Francisco, United States | $51.0M | 64 |
| Voca.ai | Speech | Open source | Tel Aviv, Israel | $6.1M | 54 |
| Rasa | Conversational AI | Open source · Self-hostable | Berlin, Germany | $13.0M | 49 |
| Outlit | Agentic AI | Open source | — | $500K | 45 |
| Dante | Artificial Intelligence | Open source | — | $1.5M | 45 |
| Hyper | Conversational AI | Open source | San Francisco, United States | $12.3M | 44 |
| BLBlip | Voice AI | Open source | São Paulo, Brazil | $10.0M | 41 |
| Tryagentically | Agentic AI | Open source | San Francisco, United States | — | 40 |
| Aengus | Conversational AI | Open source | San Francisco, United States | — | 35 |
| Plurai | Conversational AI | Open source | Tel Aviv, Israel | — | 34 |
| Aquotiq | Conversational AI | Open source | Louth, United Kingdom | — | 32 |
| Thenvoi AI Ltd | Conversational AI | Open source | London, United Kingdom | — | 31 |
| Raincheck AI | Agentic AI | Open source | San Francisco, United States | — | 28 |
| Corereflex | Customer Service Automation | Open source | Tel Aviv, Israel | — | 22 |
| Lionwire | Voice AI | Open source | — | — | 17 |
| Zenthic | Conversational AI | Open source | San Francisco, United States | — | 15 |
| Onenexa | Conversational AI | Open source | — | — | 14 |
| Etherwaves AI | Conversational AI | Open source | — | — | 14 |
| Axscore | Customer Service Automation | Open source | Tel Aviv, Israel | — | 7 |
| Answerarc | Conversational AI | Open source | Tel Aviv, Israel | — | 4 |
| Afcor | Customer Service Automation | Open source | Tel Aviv, Israel | — | 4 |