Open Source Alternatives to For Posterity
11 open source Voice AI options similar to For Posterity, 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.
Coqui48Voice AIBerlin, Germany$2.0MOpen-source AI models for voice synthesis, translation, and TTS.
Open source · Self-hostable
Vocode50Open SourceSan Francisco, United States$3.8MOpen-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
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
- Litegen12AI Infrastructure
An open-source, OpenAI-compatible proxy for AI image and video generation, routing across multiple providers with load balancing and cost tracking.
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
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$121.5MOpen-source, privacy-focused voice assistant and AI platform.
Open source · Self-hostable
pyannote SAS23Speech RecognitionParis, FranceCompany
Open source
Velorn12AI Video GenerationAI-native video editing and generative production tools built around a creative timeline.
Open source
Talkcan7Open SourceAn open-source programmable walkie-talkie for routing voice through configurable channels.
Open source