Open source focus
Callano is open source
Open Source Alternatives to Callano
60 open source Conversational AI options similar to Callano, 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.
LetustalkVoice AIOpen source
Mirrorfly11Agentic AIChennai, IndiaOpen source
DhvanixVoice AIBengaluru, IndiaOpen source
Saperly43Voice AISan Francisco, United States$2.0MOpen source
Callbravo34Voice AITel Aviv, Israel$1.5MOpen source
ConveyaiConversational AITel Aviv, IsraelOpen source
- Chisp TechnologiesConversational AITel Aviv, Israel
Open source
Mister WolfAgentic AITel Aviv, IsraelOpen source
PipclawAI AgentOpen source
XallarapConversational AIOpen source
Bluebutler42Customer Service AutomationTel Aviv, Israel$12.0MOpen source
Aquotiq32Conversational AILouth, United KingdomOpen source
Lionwire17Voice AIOpen source
Darim14Conversational AIOpen source
MoriwaConversational AIOpen source
CallrichVoice AIOpen source
RevochatConversational AIOpen source
TelenowVoice AISan Francisco, United StatesOpen source
Bland64Voice AISan Francisco, United States$51.0MOpen source
- OBOBOt AI49Conversational AITel Aviv, Israel$5.0M
Open source
- SASales Interaction Agent47Agentic AISan Francisco, United States$5.0M
Open source
Clara Ai40Conversational AISan Francisco, United StatesOpen source
Zenthic15Conversational AISan Francisco, United StatesOpen source
Onenexa14Conversational AIOpen source
GetpointVoice AITel Aviv, IsraelOpen source
AsqsConversational AITel Aviv, IsraelOpen source
MaiqaConversational AIOpen source
ConvousConversational AIOpen source
CowpokeAI AgentOpen source
FlintgptConversational AIOpen source
ZentokConversational AITel Aviv, IsraelOpen source
Genesys Cloud CX64Contact Center AIDaly City, United States$3.9BOpen source
Cognigy (NICE)63Voice AgentDüsseldorf, GermanyOpen source
Sendbird61Conversational AISan Mateo, United StatesOpen source
- COCognigy50Voice AgentDüsseldorf, Germany$156.5M
Open source
- OBoBot.ai45Conversational AITel Aviv, Israel$3.5M
Open 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
Cekura40Agentic AITel Aviv, IsraelOpen source
- RERefold AI39Customer Service AutomationLondon, United Kingdom$6.5M
Open source
Aengus35Conversational AISan Francisco, United StatesOpen source
Akacia35Conversational AITel Aviv, Israel$1.5MOpen source
Tavvo34Conversational AITel Aviv, Israel$4.0MOpen source
Plurai34Conversational AITel Aviv, IsraelOpen source
Thenvoi AI Ltd31Conversational AILondon, United KingdomOpen source
Raincheck AI28Agentic AISan Francisco, United StatesOpen source
Corereflex22Customer Service AutomationTel Aviv, IsraelOpen source
- Meares17Conversational AI
Open source
Metadialogues15Conversational AIOpen source
Axscore7Customer Service AutomationTel Aviv, IsraelOpen source
Afcor4Customer Service AutomationTel Aviv, IsraelOpen source
Appquest2Conversational AITel Aviv, IsraelOpen source
SubioConversational AITel Aviv, IsraelOpen source
KotokuConversational AITel Aviv, IsraelOpen source
- LounehCustomer Service AutomationTel Aviv, Israel
Open source
SarhanConversational AITel Aviv, IsraelOpen source
OceanyxConversational AITel Aviv, IsraelOpen source
RawqConversational AITel Aviv, IsraelOpen source
| Company | Sector | License | HQ | Funding | Score | Website |
|---|---|---|---|---|---|---|
| Letustalk | Voice AI | Open source | — | — | — | |
| Mirrorfly | Agentic AI | Open source | Chennai, India | — | 11 | |
| Dhvanix | Voice AI | Open source | Bengaluru, India | — | — | |
| Saperly | Voice AI | Open source | San Francisco, United States | $2.0M | 43 | |
| Callbravo | Voice AI | Open source | Tel Aviv, Israel | $1.5M | 34 | |
| Conveyai | Conversational AI | Open source | Tel Aviv, Israel | — | — | |
| Conversational AI | Open source | Tel Aviv, Israel | — | — | ||
| Mister Wolf | Agentic AI | Open source | Tel Aviv, Israel | — | — | |
| Pipclaw | AI Agent | Open source | — | — | — | |
| Xallarap | Conversational AI | Open source | — | — | — | |
| Bluebutler | Customer Service Automation | Open source | Tel Aviv, Israel | $12.0M | 42 | |
| Aquotiq | Conversational AI | Open source | Louth, United Kingdom | — | 32 | |
| Lionwire | Voice AI | Open source | — | — | 17 | |
| Darim | Conversational AI | Open source | — | — | 14 | |
| Moriwa | Conversational AI | Open source | — | — | — | |
| Callrich | Voice AI | Open source | — | — | — | |
| Revochat | Conversational AI | Open source | — | — | — | |
| Telenow | Voice AI | Open source | San Francisco, United States | — | — | |
| Bland | Voice AI | Open source | San Francisco, United States | $51.0M | 64 | |
| 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 | |
| Clara Ai | Conversational AI | Open source | San Francisco, United States | — | 40 | |
| Zenthic | Conversational AI | Open source | San Francisco, United States | — | 15 | |
| Onenexa | Conversational AI | Open source | — | — | 14 | |
| Getpoint | Voice AI | Open source | Tel Aviv, Israel | — | — | |
| Asqs | Conversational AI | Open source | Tel Aviv, Israel | — | — | |
| Maiqa | Conversational AI | Open source | — | — | — | |
| Convous | Conversational AI | Open source | — | — | — | |
| Cowpoke | AI Agent | Open source | — | — | — | |
| Flintgpt | Conversational AI | Open source | — | — | — | |
| Zentok | Conversational AI | Open source | Tel Aviv, Israel | — | — | |
| Genesys Cloud CX | Contact Center AI | Open source | Daly City, United States | $3.9B | 64 | |
| Cognigy (NICE) | Voice Agent | Open source | Düsseldorf, Germany | — | 63 | |
| Sendbird | Conversational AI | Open source | San Mateo, United States | — | 61 | |
| COCognigy | Voice Agent | Open source | Düsseldorf, Germany | $156.5M | 50 | |
| OBoBot.ai | Conversational AI | Open source | Tel Aviv, Israel | $3.5M | 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 | |
| Cekura | Agentic AI | Open source | Tel Aviv, Israel | — | 40 | |
| RERefold AI | Customer Service Automation | Open source | London, United Kingdom | $6.5M | 39 | |
| Aengus | Conversational AI | Open source | San Francisco, United States | — | 35 | |
| Akacia | Conversational AI | Open source | Tel Aviv, Israel | $1.5M | 35 | |
| Tavvo | Conversational AI | Open source | Tel Aviv, Israel | $4.0M | 34 | |
| Plurai | Conversational AI | Open source | Tel Aviv, Israel | — | 34 | |
| 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 | |
| Conversational AI | Open source | — | — | 17 | ||
| Metadialogues | Conversational AI | Open source | — | — | 15 | |
| Axscore | Customer Service Automation | Open source | Tel Aviv, Israel | — | 7 | |
| Afcor | Customer Service Automation | Open source | Tel Aviv, Israel | — | 4 | |
| Appquest | Conversational AI | Open source | Tel Aviv, Israel | — | 2 | |
| Subio | Conversational AI | Open source | Tel Aviv, Israel | — | — | |
| Kotoku | Conversational AI | Open source | Tel Aviv, Israel | — | — | |
| Customer Service Automation | Open source | Tel Aviv, Israel | — | — | ||
| Sarhan | Conversational AI | Open source | Tel Aviv, Israel | — | — | |
| Oceanyx | Conversational AI | Open source | Tel Aviv, Israel | — | — | |
| Rawq | Conversational AI | Open source | Tel Aviv, Israel | — | — |