Open Source Alternatives to Mistrezz AI
11 open source AI Companion options similar to Mistrezz AI, 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.
Comfy Org53AI Image Generation$30.0MComfy is an AI creation engine for visual professionals, offering granular control over AI models, parameters, and outputs through a node-based workflow on an infinite canvas.
Open source
Kyutai68Frontier AI LabParis, France$300.0MA non-profit AI research lab focused on open science and developing advanced multimodal and voice AI models.
Open source · Self-hostable
Vocode50Open SourceSan Francisco, United States$3.3MOpen-source library for building hyper-realistic voice agents and conversational AI applications.
Open source · Self-hostable
Rasa49Conversational AIBerlin, Germany$13.0MOpen-source conversational AI platform for building custom chatbots and virtual assistants.
Open source · Self-hostable
Coqui48Voice AIBerlin, GermanyOpen-source AI models for voice synthesis, translation, and TTS.
Open source · Self-hostable
Heroic Labs47GamingLisbon, PortugalSocial infrastructure for games, makers of Nakama game server.
Open source · Self-hostable
Mycroft AI38Voice AssistantKansas City, United States$4.0MOpen-source, privacy-focused voice assistant and AI platform.
Open source · Self-hostable
Mycroft35Voice AIKansas City, United States$3.5MOpen-source, privacy-focused voice assistant and AI platform.
Open source · Self-hostable
pyannote SAS23Speech RecognitionParis, FranceCompany
Open source
- Pomvox21Voice 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
Sales & DungeonsGamingTurn every thermal printer into a TTRPG companion machine!
Open source · Self-hostable