Open Source Alternatives to Speechmatics

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 AI models for voice synthesis, translation, and TTS.

Company

Press a key, talk, and clean text appears at your cursor, transcribed on the Apple Neural Engine. Free, open source, and fully private.

Together AI offers an AI-native cloud platform providing high-performance inference APIs, GPU clusters, and fine-tuning capabilities for open-source AI models.

An open-source TypeScript/JavaScript framework for building AI agents, from the creators of Gatsby.

High-performance, open-source vector search engine built in Rust for production-grade AI and machine learning workloads.

Open-access AI cloud platform providing affordable, on-demand GPUs for training and serving AI models.

Open-source tool to transform application data into accessible knowledge for AI agents.

Nomic AI builds tools to make AI explainable and accessible, focusing on data curation and visualization.

Persistent memory layer for AI agents and applications.

An open-source feature store for managing and serving data for AI/ML models in production.

Self-hosted AI inference platform for enterprises.

AI-powered database for visual data, enabling intelligent search and analysis of images and videos.

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

An open-source orchestration platform for unifying data pipelines, AI workflows, and business processes.

A managed, private, and production-grade environment for OpenClaw, offering access to over 500 AI models and essential tools.

An AI-native workspace designed to turn team interactions into actionable, proprietary data for agentic workflows.

An open-source, end-to-end AI agent engineering platform for simulating, evaluating, and optimizing LLM applications.

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

Google's open-source platform that organizes and makes public data accessible and useful for societal challenges through a unified knowledge graph.

Decentralized data infrastructure and AI framework for AI training, inference, and ecosystem intelligence.

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

Open-source library by Meta AI for efficient similarity search and clustering of dense vectors.

An open-source framework for building, operating, and benchmarking Multimodal Language Model (MLM) agents across diverse environments.

ComputeSDK provides an open-source platform for benchmarking cloud infrastructure, including AI gateways, sandboxes, storage, and browsers, and offers a unified SDK for running code in remote sandboxes.

Open-source platform for programmatically authoring, scheduling, and monitoring data pipelines.

Experimental open-source framework for building self-building autonomous agents with a novel function framework.

A C/C++ tensor library for efficient machine learning inference on consumer hardware.

A community-driven marketplace for discovering and deploying Model Context Protocol (MCP) servers and clients.

Open-source infrastructure, developer tools, and research for agent runtimes.

A unified data analytics and AI platform built on the lakehouse architecture.

Open-source AI research lab training decentralized large language models and building infrastructure for accessible AI.

Open-source, end-to-end MLOps platform for enterprise AI development and deployment.

Open-source Postgres platform for agent scale with copy-on-write branching.

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

Mirantis provides cloud-native infrastructure and AI platforms for enterprises to manage and operate complex environments.

Enterprise agentic AI orchestration