Open-source AI image, video and audio tools
Generate and edit images, voices and video.
Automatically generate HD short videos from topics or keywords, including scripts, subtitles, background music, and editing.
One-stop solution for short video creation, saving a lot of time and resources.
InstallVisit the official website to download the installation package or install using a Python environment.A local GUI and backend for combining image, video and audio generation models as node graphs, supporting the latest models like Flux, Wan and Qwen-Image.
New open models usually land in ComfyUI first; workflows can be saved as files and shared. A no-setup desktop version is available.
InstallDownload ComfyUI Desktop from comfy.org, or pip install comfy-cli && comfy installA desktop AI image upscaler that enlarges low-res photos or illustrations 2–16× and restores detail, with batch processing.
Drag and drop, no Python needed; uses Vulkan so it runs on most GPUs. A free alternative to Topaz Gigapixel.
Zero-shot speech synthesis open-sourced by bilibili: clone a voice from a few seconds of reference audio, with control over emotion and exact duration. Strong in Chinese and English.
Lets you set speech length, which suits lip-synced video dubbing; handles Chinese pronunciation and polyphonic characters better than most open-source TTS.
Translates videos from one language to another: speech recognition, subtitle translation and dubbing, merged back into the video. Can also do transcription or TTS alone.
Offers a no-install packaged build for Windows, works with local Whisper and many translation/TTS services, and is very actively maintained.
InstallWindows: download the prebuilt package; macOS/Linux: git clone, then run uv run sp.pyOne click for speech recognition, sentence segmentation, translation, subtitle alignment and AI dubbing, outputting Netflix-standard single-line subtitles.
Uses an LLM to understand before translating, then revises, so subtitles beat sentence-by-sentence machine translation. Good for turning foreign-language videos into Chinese subtitles.
Updated Oct 25, 2026 · ★ GitHub