Open source focus

Open Source Alternatives to Presns

15 open source Voice AI options similar to Presns, ranked by named competitors first, sector overlap, and our 0-100 AI-readiness score. Every company listed publishes its source: each one carries an open source sector tag and a public GitHub repository.

View all alternatives to Presns →

Vocode50
Open SourceSan Francisco, United States$3.8M
Open-source library for building hyper-realistic voice agents and conversational AI applications.
Open source · Self-hostable
Rasa49
Conversational AIBerlin, Germany$13.0M
Open-source conversational AI platform for building custom chatbots and virtual assistants.
Open source · Self-hostable
Kyutai68
Frontier AI LabParis, France$300.0M
A non-profit AI research lab focused on open science and developing advanced multimodal and voice AI models.
Open source · Self-hostable
Coqui48
Voice AIBerlin, Germany$2.0M
Open-source AI models for voice synthesis, translation, and TTS.
Open source · Self-hostable
pyannote SAS23
Speech RecognitionParis, France
Company
Open source
Talkcan7
Open Source
An open-source programmable walkie-talkie for routing voice through configurable channels.
Open source
BenchFlow42
Frontier AI LabSan Francisco, United States$1.0M
BenchFlow is a frontier environment lab that builds environments for AI agents to learn and be evaluated on real computer work.
Open source
Mycroft35
Voice AIKansas City, United States$121.5M
Open-source, privacy-focused voice assistant and AI platform.
Open source · Self-hostable
Recognai, S.L.U.31
Data CurationBarcelona, Spain
Company
Open source
CRAB27
Agentic AI
An open-source framework for building, operating, and benchmarking Multimodal Language Model (MLM) agents across diverse environments.
Open source · Self-hostable
Pomvox21
Voice AI
Press a key, talk, and clean text appears at your cursor, transcribed on the Apple Neural Engine. Free, open source, and fully private.
Open source
DocsGPT8
Open Source
Open-source AI platform for securely deploying intelligent agents, private enterprise search, and complex document workflows on an organization's own data.
Open source · Self-hostable
Grafana Labs80
ObservabilityNew York, United States
Commercializes the open-source Grafana observability platform with AI features.
Open source · Self-hostable
Probabl54
MLOpsParis, France$18.5M
Track experiments, validate models, and collaborate with confidence using Skore, the methodology layer for AI coding tools.
Open source
Mycroft AI38
Voice AssistantKansas City, United States$4.0M
Open-source, privacy-focused voice assistant and AI platform.
Open source · Self-hostable

Company	Sector	License	HQ	Funding	Score
VocodeOpen-source library for building hyper-realistic voice agents and conversational AI applications.	Open Source	Open source · Self-hostable	San Francisco, United States	$3.8M	50
RasaOpen-source conversational AI platform for building custom chatbots and virtual assistants.	Conversational AI	Open source · Self-hostable	Berlin, Germany	$13.0M	49
KyutaiA non-profit AI research lab focused on open science and developing advanced multimodal and voice AI models.	Frontier AI Lab	Open source · Self-hostable	Paris, France	$300.0M	68
CoquiOpen-source AI models for voice synthesis, translation, and TTS.	Voice AI	Open source · Self-hostable	Berlin, Germany	$2.0M	48
pyannote SASCompany	Speech Recognition	Open source	Paris, France	—	23
TalkcanAn open-source programmable walkie-talkie for routing voice through configurable channels.	Open Source	Open source	—	—	7
BenchFlowBenchFlow is a frontier environment lab that builds environments for AI agents to learn and be evaluated on real computer work.	Frontier AI Lab	Open source	San Francisco, United States	$1.0M	42
MycroftOpen-source, privacy-focused voice assistant and AI platform.	Voice AI	Open source · Self-hostable	Kansas City, United States	$121.5M	35
Recognai, S.L.U.Company	Data Curation	Open source	Barcelona, Spain	—	31
CRABAn open-source framework for building, operating, and benchmarking Multimodal Language Model (MLM) agents across diverse environments.	Agentic AI	Open source · Self-hostable	—	—	27
PomvoxPress a key, talk, and clean text appears at your cursor, transcribed on the Apple Neural Engine. Free, open source, and fully private.	Voice AI	Open source	—	—	21
DocsGPTOpen-source AI platform for securely deploying intelligent agents, private enterprise search, and complex document workflows on an organization's own data.	Open Source	Open source · Self-hostable	—	—	8
Grafana LabsCommercializes the open-source Grafana observability platform with AI features.	Observability	Open source · Self-hostable	New York, United States	—	80
ProbablTrack experiments, validate models, and collaborate with confidence using Skore, the methodology layer for AI coding tools.	MLOps	Open source	Paris, France	$18.5M	54
Mycroft AIOpen-source, privacy-focused voice assistant and AI platform.	Voice Assistant	Open source · Self-hostable	Kansas City, United States	$4.0M	38