Open source focus
Open Source Alternatives to Nemesysco
60 open source Speech options similar to Nemesysco, 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.
Lionwire17Voice AIOpen source
Metadialogues15Conversational AIOpen source
Mirrorfly11Agentic AIChennai, IndiaOpen source
DhvanixVoice AIBengaluru, IndiaOpen source
GetpointVoice AITel Aviv, IsraelOpen source
VoicevalueVoice AIOpen source
IbodycamVoice AIOpen source
Weave70Voice AILehi, United StatesOpen 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
Nomi55AI CopilotSan Francisco, United States$180.0MOpen source
Vocode50Open SourceSan Francisco, United States$3.8MOpen source · Self-hostable
- COCognigy50Voice AgentDüsseldorf, Germany$156.5M
Open source
Rasa49Conversational AIBerlin, Germany$13.0MOpen source · Self-hostable
- OBOBOt AI49Conversational AITel Aviv, Israel$5.0M
Open source
- SASales Interaction Agent47Agentic AISan Francisco, United States$5.0M
Open source
Dante45Artificial Intelligence$1.5MOpen source
Saperly43Voice AISan Francisco, United States$2.0MOpen source
- BLBlip41Voice AISão Paulo, Brazil$10.0M
Open source
Cekura40Agentic AITel Aviv, IsraelOpen source
Symbl.ai36Voice AISan Francisco, United States$6.4MOpen source
Plurai34Conversational AITel Aviv, IsraelOpen source
Callbravo34Voice AITel Aviv, Israel$1.5MOpen source
Aquotiq32Conversational AILouth, United KingdomOpen source
Thenvoi AI Ltd31Conversational AILondon, United KingdomOpen source
Zenthic15Conversational AISan Francisco, United StatesOpen source
Darim14Conversational AIOpen source
Appquest2Conversational AITel Aviv, IsraelOpen source
KaaiaConversational AITel Aviv, IsraelOpen source
CallrichVoice AIOpen source
PipclawAI AgentOpen source
- Chisp TechnologiesConversational AITel Aviv, Israel
Open source
Mister WolfAgentic AITel Aviv, IsraelOpen source
LetustalkVoice AIOpen source
RevochatConversational AIOpen source
QmogConversational AIOpen source
MoriwaConversational AIOpen source
TelenowVoice AISan Francisco, United StatesOpen source
ScalinaConversational AIOpen source
RawcandorConversational AITel Aviv, IsraelOpen source
XallarapConversational AIOpen source
ElevenLabs79AILondon, United Kingdom$1.6BOpen source
Vapi65Voice AISan Francisco, United States$74.3MOpen source
Cluely58Agentic AISan Francisco, United StatesOpen source
Resemble AI55Voice AINew York, United States$36.5MOpen source
Coqui48Voice AIBerlin, Germany$2.0MOpen source · Self-hostable
- OBoBot.ai45Conversational AITel Aviv, Israel$3.5M
Open source
Hyper44Conversational AISan Francisco, United States$12.3MOpen source
Bluebutler42Customer Service AutomationTel Aviv, Israel$12.0MOpen source
Tryagentically40Agentic AISan Francisco, United StatesOpen source
Clara Ai40Conversational AISan Francisco, United StatesOpen source
FrontSpin38Sales TechnologySan Diego, United StatesOpen source
Akacia35Conversational AITel Aviv, Israel$1.5MOpen source
Tavvo34Conversational AITel Aviv, Israel$4.0MOpen source
Corereflex22Customer Service AutomationTel Aviv, IsraelOpen source
Jako.ai20EnterpriseTel Aviv, IsraelOpen source
Brieflow19Conversational AILondon, United KingdomOpen source
Owin17Customer Service AutomationTel Aviv, IsraelOpen source
| Company | Sector | License | HQ | Funding | Score | Website |
|---|---|---|---|---|---|---|
| Lionwire | Voice AI | Open source | — | — | 17 | |
| Metadialogues | Conversational AI | Open source | — | — | 15 | |
| Mirrorfly | Agentic AI | Open source | Chennai, India | — | 11 | |
| Dhvanix | Voice AI | Open source | Bengaluru, India | — | — | |
| Getpoint | Voice AI | Open source | Tel Aviv, Israel | — | — | |
| Voicevalue | Voice AI | Open source | — | — | — | |
| Ibodycam | Voice AI | Open source | — | — | — | |
| Weave | Voice AI | Open source | Lehi, United States | — | 70 | |
| 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 | |
| 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 | |
| COCognigy | Voice Agent | Open source | Düsseldorf, Germany | $156.5M | 50 | |
| Rasa | Conversational AI | Open source · Self-hostable | Berlin, Germany | $13.0M | 49 | |
| 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 | |
| Dante | Artificial Intelligence | Open source | — | $1.5M | 45 | |
| Saperly | Voice AI | Open source | San Francisco, United States | $2.0M | 43 | |
| BLBlip | Voice AI | Open source | São Paulo, Brazil | $10.0M | 41 | |
| Cekura | Agentic AI | Open source | Tel Aviv, Israel | — | 40 | |
| Symbl.ai | Voice AI | Open source | San Francisco, United States | $6.4M | 36 | |
| Plurai | Conversational AI | Open source | Tel Aviv, Israel | — | 34 | |
| Callbravo | Voice AI | Open source | Tel Aviv, Israel | $1.5M | 34 | |
| Aquotiq | Conversational AI | Open source | Louth, United Kingdom | — | 32 | |
| Thenvoi AI Ltd | Conversational AI | Open source | London, United Kingdom | — | 31 | |
| Zenthic | Conversational AI | Open source | San Francisco, United States | — | 15 | |
| Darim | Conversational AI | Open source | — | — | 14 | |
| Appquest | Conversational AI | Open source | Tel Aviv, Israel | — | 2 | |
| Kaaia | Conversational AI | Open source | Tel Aviv, Israel | — | — | |
| Callrich | Voice AI | Open source | — | — | — | |
| Pipclaw | AI Agent | Open source | — | — | — | |
| Conversational AI | Open source | Tel Aviv, Israel | — | — | ||
| Mister Wolf | Agentic AI | Open source | Tel Aviv, Israel | — | — | |
| Letustalk | Voice AI | Open source | — | — | — | |
| Revochat | Conversational AI | Open source | — | — | — | |
| Qmog | Conversational AI | Open source | — | — | — | |
| Moriwa | Conversational AI | Open source | — | — | — | |
| Telenow | Voice AI | Open source | San Francisco, United States | — | — | |
| Scalina | Conversational AI | Open source | — | — | — | |
| Rawcandor | Conversational AI | Open source | Tel Aviv, Israel | — | — | |
| Xallarap | Conversational AI | Open source | — | — | — | |
| ElevenLabs | AI | Open source | London, United Kingdom | $1.6B | 79 | |
| Vapi | Voice AI | Open source | San Francisco, United States | $74.3M | 65 | |
| Cluely | Agentic AI | Open source | San Francisco, United States | — | 58 | |
| Resemble AI | Voice AI | Open source | New York, United States | $36.5M | 55 | |
| Coqui | Voice AI | Open source · Self-hostable | Berlin, Germany | $2.0M | 48 | |
| OBoBot.ai | Conversational AI | Open source | Tel Aviv, Israel | $3.5M | 45 | |
| Hyper | Conversational AI | Open source | San Francisco, United States | $12.3M | 44 | |
| Bluebutler | Customer Service Automation | Open source | Tel Aviv, Israel | $12.0M | 42 | |
| Tryagentically | Agentic AI | Open source | San Francisco, United States | — | 40 | |
| Clara Ai | Conversational AI | Open source | San Francisco, United States | — | 40 | |
| FrontSpin | Sales Technology | Open source | San Diego, United States | — | 38 | |
| Akacia | Conversational AI | Open source | Tel Aviv, Israel | $1.5M | 35 | |
| Tavvo | Conversational AI | Open source | Tel Aviv, Israel | $4.0M | 34 | |
| Corereflex | Customer Service Automation | Open source | Tel Aviv, Israel | — | 22 | |
| Jako.ai | Enterprise | Open source | Tel Aviv, Israel | — | 20 | |
| Brieflow | Conversational AI | Open source | London, United Kingdom | — | 19 | |
| Owin | Customer Service Automation | Open source | Tel Aviv, Israel | — | 17 |