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Applio: A simple, high-quality voice conversion tool focused on ease of use and performance. It is listed under Video & Audio on AI Registry as a free tool.
The tools below are approved listings in the same category, ordered by how closely their tags match Applio. This is an automatic list. We have not written a researched verdict for Applio yet, so treat it as a shortlist and check each vendor's pricing page before switching.
Built from each tool's listing. Vendors can update their own listing after claiming it.
real time face swap and one-click video deepfake with only a single image
Deep Live Cam is a real time face swap and virtual avatar application for webcams and live video. It replaces the face in a live camera feed with a chosen face image, and it can be used through a virtual camera in streaming and video call software such as OBS. The project originated as an open source repository on GitH...
Local-first Video Knowledge Base.
Edit Mind is the open source project behind Orcah Studio, a Mac application that lets users search a personal video library in plain English and jump straight to the moment they want. The product is local first: indexing and search run on the user's own machine by default, with no cloud model involved, and files are no...
An open ecosystem for music production.
MAGDA, short for Multi Agent Digital Audio, is a desktop digital audio workstation for music production with an integrated AI console. It is built on the Tracktion Engine and JUCE, and is available for macOS, Windows and Linux. The vendor describes it as free and open source. It is aimed at producers who want to autom...
Manim plugin for all things voiceover
Manim Voiceover is a plugin for Manim, the Python library for programmatic math animations, that adds voiceover to animated videos directly in Python. It removes the need to line up narration in a separate video editor. Developers can record a voiceover with a microphone during rendering through a simple command line ...
Ultrafast Qwen3-TTS: sub-50 ms time-to-first-audio at 10 requests per second.
Nari Labs offers optimized multimodal model APIs, starting with speech. Its public Model APIs serve Qwen3 TTS for text to speech and Qwen3 ASR for speech to text, each in a Standard and a Fast variant. Fast variants are tuned for lower latency, with the vendor citing server side time to first audio under 50 ms for text...
Free, high-quality text-to-speech API endpoint to replace OpenAI, Azure, or ElevenLabs
Openai Edge Tts is a free text to speech service that exposes Microsoft Edge voices through an interface compatible with the OpenAI text to speech API. It lets developers and everyday users generate natural sounding speech without paying per character, and it can stand in for OpenAI's endpoint in tools that already exp...