Open Source Alternatives to Nuance

Open-source library for building hyper-realistic voice agents and conversational AI applications.

A non-profit AI research lab focused on open science and developing advanced multimodal and voice AI models.

Open-source conversational AI platform for building custom chatbots and virtual assistants.

Open-source AI models for voice synthesis, translation, and TTS.

Free in-browser Whisper transcription and subtitle editor; audio stays on your device.

Developing advanced AI models with a focus on reducing hallucinations, including large language models, vision language models, and text-to-video models.

Company

Elementary Data provides a unified data control plane for the AI era, offering observability, quality, governance, and discovery for data and AI reliability.

Open-source, privacy-focused voice assistant and AI platform.

Parlant is an open-source conversational AI engine dedicated to solving the Human/AI alignment problem by enabling Large Language Models to reliably perform as desired and prevent hallucinations.

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 AI platform for securely deploying intelligent agents, private enterprise search, and complex document workflows on an organization's own data.

Sponsors of OpenWALDO, a community-driven initiative for open-source AI training data, and provider of enterprise Linux, HPC, and AI infrastructure software.

Agentic endpoint security for AI coding, providing visibility, governance, and real-time protection.

An open-source technology provider offering an open control plane for AI agents.

An open-source platform enabling enterprises to securely connect sensitive data to AI agents.