open source speech technology - AI tools

Fonoster is an open-source platform enabling businesses to build and deploy voice and messaging applications as an alternative to Twilio.

• Freemium

Fish Speech is an open-source text-to-speech (TTS) system utilizing VQGAN and LLAMA models. It supports multiple languages and focuses on reducing word error rate (WER) and improving timbre similarity.

• Free

Fish Speech offers realistic AI speech solutions including voice cloning, a voice library, and text-to-speech capabilities. It supports multiple languages and is backed by a team with extensive open-source experience.

• Free

Kokoro TTS is an innovative text-to-speech engine delivering natural-sounding voices with exceptional efficiency. It's designed for developers and content creators seeking lifelike audio outputs for various applications.

• Other

Orate is an AI toolkit that enables developers to create realistic, human-like speech and transcribe audio through a unified API, compatible with leading AI providers.

• Other

Open-Audio TTS is a tool utilizing OpenAI's TTS engine to convert text into high-quality speech with various voice and speed options.

• Usage Based

Text-Speech.net is a free online tool that converts written text into natural-sounding speech. It offers high-quality audio output and supports various languages and accents.

• Free

Generate lifelike audio with our advanced text-to-speech tool. Easily create and download high-quality speech for all your needs.

• Freemium
• From 5$

Fluent.ai provides unique speech-to-intent technology offering offline, noise-robust speech recognition that supports any language and accent.

• Contact for Pricing

Kokoro TTS is a free text-to-speech tool supporting multiple languages, voice blending, and EPUB, PDF, TXT inputs for high-quality audio output, available for commercial use.

• Free

Open Voice OS is an open-source voice AI platform that enables developers to create custom voice-controlled interfaces with privacy-focused features, NLP capabilities, and a customizable UI. It supports multiple platforms and devices, making it ideal for DIY smart speaker projects.

• Free

Speechmatics offers enterprise-grade APIs for Automatic Speech Recognition (ASR) and building Conversational AI products, delivering top transcription accuracy and supporting over 50 languages.

• Freemium

F5 TTS is a free online text-to-speech service powered by advanced AI, offering natural and expressive voice synthesis across multiple languages.

• Free

SpeechFlow is an advanced speech-to-text platform offering highly accurate transcription services in 14 languages with 20% higher accuracy than competitors. It provides fast processing, proper punctuation, and flexible deployment options.

• Freemium

KokoroTTS transforms text into natural-sounding speech using AI, offering efficiency and ease of use for various applications.

• Paid
• From 10$

AudioPal enables anyone to add spoken audio messages to their website, enhancing engagement and interactivity. Easily create and embed audio players using recorded messages, text-to-speech, or MP3 uploads.

• Free

Deepgram provides APIs for speech-to-text, text-to-speech, and speech-to-speech voice agents, enabling developers to build voice AI products and features.

• Usage Based

Ultravox is an open-weight Speech Language Model (SLM) designed for building highly natural and effective AI voice agents by processing speech directly.

• Usage Based

MXSpeech is a text-to-speech (TTS) platform offering over 800 human-like AI voices in 80+ languages. It allows users to convert text into natural-sounding audio for various applications.

• Freemium
• From 15$

TTO Talk is a free text-to-speech platform that converts written text into natural-sounding voice instantly, offering unlimited conversions and downloadable audio files.

• Free

AudiofyText is a powerful, free text-to-speech generator offering voice modulation in multiple languages. It allows users to convert text into high-quality audio files for personal and commercial use.

• Free