Open source focus
Open Source Alternatives to NLX
60 open source Conversational AI options similar to NLX, 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.
Mirrorfly11Agentic AIChennai, IndiaOpen 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
Saperly43Voice AISan Francisco, United States$2.0MOpen source
RevochatConversational AIOpen source
Cekura40Agentic AITel Aviv, IsraelOpen source
Aquotiq32Conversational AILouth, United KingdomOpen source
Lionwire17Voice AIOpen source
Metadialogues15Conversational AIOpen source
XallarapConversational AIOpen source
GetpointVoice AITel Aviv, IsraelOpen source
- Chisp TechnologiesConversational AITel Aviv, Israel
Open source
LetustalkVoice AIOpen source
TelenowVoice AISan Francisco, United StatesOpen source
PipclawAI AgentOpen source
Mister WolfAgentic AITel Aviv, IsraelOpen source
MoriwaConversational AIOpen source
Vapi65Voice AISan Francisco, United States$74.3MOpen source
Nomi55AI CopilotSan Francisco, United States$180.0MOpen source
Vocode50Open SourceSan Francisco, United States$3.8MOpen source · Self-hostable
Dante45Artificial Intelligence$1.5MOpen source
Symbl.ai36Voice AISan Francisco, United States$6.4MOpen source
Callbravo34Voice AITel Aviv, Israel$1.5MOpen source
Zenthic15Conversational AISan Francisco, United StatesOpen source
Darim14Conversational AIOpen source
Convo10Voice AISan Francisco, United StatesOpen source
IbodycamVoice AIOpen source
CallanoConversational AITel Aviv, IsraelOpen source
DhvanixVoice AIBengaluru, IndiaOpen source
IntervyouAI AgentOpen source
CallrichVoice AIOpen source
KaaiaConversational AITel Aviv, IsraelOpen source
OpenAI84Artificial IntelligenceSan Francisco, United States$493.9BOpen source
Genesys Cloud CX64Contact Center AIDaly City, United States$3.9BOpen source
- OBOBOt AI49Conversational AITel Aviv, Israel$5.0M
Open source
- SASales Interaction Agent47Agentic AISan Francisco, United States$5.0M
Open source
- OBoBot.ai45Conversational AITel Aviv, Israel$3.5M
Open source
Bluebutler42Customer Service AutomationTel Aviv, Israel$12.0MOpen source
- BLBlip41Voice AISão Paulo, Brazil$10.0M
Open source
Clara Ai40Conversational AISan Francisco, United StatesOpen source
Akacia35Conversational AITel Aviv, Israel$1.5MOpen source
Plurai34Conversational AITel Aviv, IsraelOpen source
Tavvo34Conversational AITel Aviv, Israel$4.0MOpen source
Thenvoi AI Ltd31Conversational AILondon, United KingdomOpen source
Jako.ai20EnterpriseTel Aviv, IsraelOpen source
- Meares17Conversational AI
Open source
Appquest2Conversational AITel Aviv, IsraelOpen source
LingseeVoice AITel Aviv, IsraelOpen source
RawqConversational AITel Aviv, IsraelOpen source
ConveyaiConversational AITel Aviv, IsraelOpen source
FlintgptConversational AIOpen source
KotokuConversational AITel Aviv, IsraelOpen source
CowpokeAI AgentOpen source
ScalinaConversational AIOpen source
Resemble AI55Voice AINew York, United States$36.5MOpen source
Rasa49Conversational AIBerlin, Germany$13.0MOpen source · Self-hostable
Hyper44Conversational AISan Francisco, United States$12.3MOpen source
Tryagentically40Agentic AISan Francisco, United StatesOpen source
| Company | Sector | License | HQ | Funding | Score | Website |
|---|---|---|---|---|---|---|
| Mirrorfly | Agentic AI | Open source | Chennai, India | — | 11 | |
| 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 | |
| Saperly | Voice AI | Open source | San Francisco, United States | $2.0M | 43 | |
| Revochat | Conversational AI | Open source | — | — | — | |
| Cekura | Agentic AI | Open source | Tel Aviv, Israel | — | 40 | |
| Aquotiq | Conversational AI | Open source | Louth, United Kingdom | — | 32 | |
| Lionwire | Voice AI | Open source | — | — | 17 | |
| Metadialogues | Conversational AI | Open source | — | — | 15 | |
| Xallarap | Conversational AI | Open source | — | — | — | |
| Getpoint | Voice AI | Open source | Tel Aviv, Israel | — | — | |
| Conversational AI | Open source | Tel Aviv, Israel | — | — | ||
| Letustalk | Voice AI | Open source | — | — | — | |
| Telenow | Voice AI | Open source | San Francisco, United States | — | — | |
| Pipclaw | AI Agent | Open source | — | — | — | |
| Mister Wolf | Agentic AI | Open source | Tel Aviv, Israel | — | — | |
| Moriwa | Conversational AI | Open source | — | — | — | |
| Vapi | Voice AI | Open source | San Francisco, United States | $74.3M | 65 | |
| Nomi | AI Copilot | Open source | San Francisco, United States | $180.0M | 55 | |
| Vocode | Open Source | Open source · Self-hostable | San Francisco, United States | $3.8M | 50 | |
| Dante | Artificial Intelligence | Open source | — | $1.5M | 45 | |
| Symbl.ai | Voice AI | Open source | San Francisco, United States | $6.4M | 36 | |
| Callbravo | Voice AI | Open source | Tel Aviv, Israel | $1.5M | 34 | |
| Zenthic | Conversational AI | Open source | San Francisco, United States | — | 15 | |
| Darim | Conversational AI | Open source | — | — | 14 | |
| Convo | Voice AI | Open source | San Francisco, United States | — | 10 | |
| Ibodycam | Voice AI | Open source | — | — | — | |
| Callano | Conversational AI | Open source | Tel Aviv, Israel | — | — | |
| Dhvanix | Voice AI | Open source | Bengaluru, India | — | — | |
| Intervyou | AI Agent | Open source | — | — | — | |
| Callrich | Voice AI | Open source | — | — | — | |
| Kaaia | Conversational AI | Open source | Tel Aviv, Israel | — | — | |
| OpenAI | Artificial Intelligence | Open source | San Francisco, United States | $493.9B | 84 | |
| Genesys Cloud CX | Contact Center AI | Open source | Daly City, United States | $3.9B | 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 | |
| OBoBot.ai | Conversational AI | Open source | Tel Aviv, Israel | $3.5M | 45 | |
| Bluebutler | Customer Service Automation | Open source | Tel Aviv, Israel | $12.0M | 42 | |
| BLBlip | Voice AI | Open source | São Paulo, Brazil | $10.0M | 41 | |
| Clara Ai | Conversational AI | Open source | San Francisco, United States | — | 40 | |
| Akacia | Conversational AI | Open source | Tel Aviv, Israel | $1.5M | 35 | |
| Plurai | Conversational AI | Open source | Tel Aviv, Israel | — | 34 | |
| Tavvo | Conversational AI | Open source | Tel Aviv, Israel | $4.0M | 34 | |
| Thenvoi AI Ltd | Conversational AI | Open source | London, United Kingdom | — | 31 | |
| Jako.ai | Enterprise | Open source | Tel Aviv, Israel | — | 20 | |
| Conversational AI | Open source | — | — | 17 | ||
| Appquest | Conversational AI | Open source | Tel Aviv, Israel | — | 2 | |
| Lingsee | Voice AI | Open source | Tel Aviv, Israel | — | — | |
| Rawq | Conversational AI | Open source | Tel Aviv, Israel | — | — | |
| Conveyai | Conversational AI | Open source | Tel Aviv, Israel | — | — | |
| Flintgpt | Conversational AI | Open source | — | — | — | |
| Kotoku | Conversational AI | Open source | Tel Aviv, Israel | — | — | |
| Cowpoke | AI Agent | Open source | — | — | — | |
| Scalina | Conversational AI | Open source | — | — | — | |
| Resemble AI | Voice AI | Open source | New York, United States | $36.5M | 55 | |
| Rasa | Conversational AI | Open source · Self-hostable | Berlin, Germany | $13.0M | 49 | |
| Hyper | Conversational AI | Open source | San Francisco, United States | $12.3M | 44 | |
| Tryagentically | Agentic AI | Open source | San Francisco, United States | — | 40 |