Open source focus
Open Source Alternatives to Nitro Brain
60 open source Conversational AI options similar to Nitro Brain, 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.
- OBOBOt AI49Conversational AITel Aviv, Israel$5.0M
Open source
- SASales Interaction Agent47Agentic AISan Francisco, United States$5.0M
Open source
Callbravo34Voice AITel Aviv, Israel$1.5MOpen source
Mister WolfAgentic AITel Aviv, IsraelOpen source
GetpointVoice AITel Aviv, IsraelOpen source
- Chisp TechnologiesConversational AITel Aviv, Israel
Open 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
- COCognigy50Voice AgentDüsseldorf, Germany$156.5M
Open source
Dante45Artificial Intelligence$1.5MOpen source
- BLBlip41Voice AISão Paulo, Brazil$10.0M
Open source
Tryagentically40Agentic AISan Francisco, United StatesOpen source
Plurai34Conversational AITel Aviv, IsraelOpen source
Aquotiq32Conversational AILouth, United KingdomOpen source
Thenvoi AI Ltd31Conversational AILondon, United KingdomOpen source
Lionwire17Voice AIOpen source
Zenthic15Conversational AISan Francisco, United StatesOpen source
Metadialogues15Conversational AIOpen source
Darim14Conversational AIOpen source
Appquest2Conversational AITel Aviv, IsraelOpen source
- PipclawAI Agent
Open source
- QmogConversational AI
Open source
TelenowVoice AISan Francisco, United StatesOpen source
RevochatConversational AIOpen source
ConvousConversational AIOpen source
KotokuConversational AITel Aviv, IsraelOpen source
XallarapConversational AIOpen source
ScalinaConversational AIOpen source
MaiqaConversational AIOpen source
- CallrichVoice AI
Open source
AsqsConversational AITel Aviv, IsraelOpen source
KaaiaConversational AITel Aviv, IsraelOpen source
FlintgptConversational AIOpen source
ZentokConversational AITel Aviv, IsraelOpen source
CowpokeAI AgentOpen source
MoriwaConversational AIOpen source
DomulisConversational AILondon, United KingdomOpen source
Vapi65Voice AISan Francisco, United States$74.3MOpen source
Vocode50Open SourceSan Francisco, United States$3.8MOpen source · Self-hostable
Rasa49Conversational AIBerlin, Germany$13.0MOpen source · Self-hostable
- OBoBot.ai45Conversational AITel Aviv, Israel$3.5M
Open source
Hyper44Conversational AISan Francisco, United States$12.3MOpen source
Saperly43Voice AISan Francisco, United States$2.0MOpen source
Clara Ai40Conversational AISan Francisco, United StatesOpen source
Cekura40Agentic AITel Aviv, IsraelOpen source
Symbl.ai36Voice AISan Francisco, United States$6.4MOpen source
Akacia35Conversational AITel Aviv, Israel$1.5MOpen source
Aengus35Conversational AISan Francisco, United StatesOpen source
Tavvo34Conversational AITel Aviv, Israel$4.0MOpen source
Raincheck AI28Agentic AISan Francisco, United StatesOpen source
Corereflex22Customer Service AutomationTel Aviv, IsraelOpen source
Jako.ai20EnterpriseTel Aviv, IsraelOpen source
- Meares17Conversational AI
Open source
Onenexa14Conversational AIOpen source
Axscore7Customer Service AutomationTel Aviv, IsraelOpen source
Afcor4Customer Service AutomationTel Aviv, IsraelOpen source
SarhanConversational AITel Aviv, IsraelOpen source
AskhorizonConversational AILondon, United KingdomOpen source
| Company | Sector | License | HQ | Funding | Score |
|---|---|---|---|---|---|
| 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 |
| Callbravo | Voice AI | Open source | Tel Aviv, Israel | $1.5M | 34 |
| Mister Wolf | Agentic AI | Open source | Tel Aviv, Israel | — | — |
| Getpoint | Voice AI | Open source | Tel Aviv, Israel | — | — |
| Conversational AI | Open source | Tel Aviv, Israel | — | — | |
| 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 |
| COCognigy | Voice Agent | Open source | Düsseldorf, Germany | $156.5M | 50 |
| Dante | Artificial Intelligence | Open source | — | $1.5M | 45 |
| BLBlip | Voice AI | Open source | São Paulo, Brazil | $10.0M | 41 |
| Tryagentically | Agentic AI | Open source | San Francisco, United States | — | 40 |
| 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 |
| Lionwire | Voice AI | Open source | — | — | 17 |
| Zenthic | Conversational AI | Open source | San Francisco, United States | — | 15 |
| Metadialogues | Conversational AI | Open source | — | — | 15 |
| Darim | Conversational AI | Open source | — | — | 14 |
| Appquest | Conversational AI | Open source | Tel Aviv, Israel | — | 2 |
| AI Agent | Open source | — | — | — | |
| Conversational AI | Open source | — | — | — | |
| Telenow | Voice AI | Open source | San Francisco, United States | — | — |
| Revochat | Conversational AI | Open source | — | — | — |
| Convous | Conversational AI | Open source | — | — | — |
| Kotoku | Conversational AI | Open source | Tel Aviv, Israel | — | — |
| Xallarap | Conversational AI | Open source | — | — | — |
| Scalina | Conversational AI | Open source | — | — | — |
| Maiqa | Conversational AI | Open source | — | — | — |
| Voice AI | Open source | — | — | — | |
| Asqs | Conversational AI | Open source | Tel Aviv, Israel | — | — |
| Kaaia | Conversational AI | Open source | Tel Aviv, Israel | — | — |
| Flintgpt | Conversational AI | Open source | — | — | — |
| Zentok | Conversational AI | Open source | Tel Aviv, Israel | — | — |
| Cowpoke | AI Agent | Open source | — | — | — |
| Moriwa | Conversational AI | Open source | — | — | — |
| Domulis | Conversational AI | Open source | London, United Kingdom | — | — |
| Vapi | Voice AI | Open source | San Francisco, United States | $74.3M | 65 |
| Vocode | Open Source | Open source · Self-hostable | San Francisco, United States | $3.8M | 50 |
| Rasa | Conversational AI | Open source · Self-hostable | Berlin, Germany | $13.0M | 49 |
| OBoBot.ai | Conversational AI | Open source | Tel Aviv, Israel | $3.5M | 45 |
| Hyper | Conversational AI | Open source | San Francisco, United States | $12.3M | 44 |
| Saperly | Voice AI | Open source | San Francisco, United States | $2.0M | 43 |
| Clara Ai | Conversational AI | Open source | San Francisco, United States | — | 40 |
| Cekura | Agentic AI | Open source | Tel Aviv, Israel | — | 40 |
| Symbl.ai | Voice AI | Open source | San Francisco, United States | $6.4M | 36 |
| Akacia | Conversational AI | Open source | Tel Aviv, Israel | $1.5M | 35 |
| Aengus | Conversational AI | Open source | San Francisco, United States | — | 35 |
| Tavvo | Conversational AI | Open source | Tel Aviv, Israel | $4.0M | 34 |
| Raincheck AI | Agentic AI | Open source | San Francisco, United States | — | 28 |
| Corereflex | Customer Service Automation | Open source | Tel Aviv, Israel | — | 22 |
| Jako.ai | Enterprise | Open source | Tel Aviv, Israel | — | 20 |
| Conversational AI | Open source | — | — | 17 | |
| Onenexa | Conversational AI | Open source | — | — | 14 |
| Axscore | Customer Service Automation | Open source | Tel Aviv, Israel | — | 7 |
| Afcor | Customer Service Automation | Open source | Tel Aviv, Israel | — | 4 |
| Sarhan | Conversational AI | Open source | Tel Aviv, Israel | — | — |
| Askhorizon | Conversational AI | Open source | London, United Kingdom | — | — |