Best open-source alternatives to Adobe Premiere Pro

OpenCut is an open source video editor project aimed at creators who want a browser, desktop, or mobile editing experience from a shared codebase. The README indicates that the project is currently being rewritten from the ground up, so the public-facing software is in a transitional state. The planned architecture emphasizes extensibility and automation. The README highlights an editor API, first-class third-party plugins, an MCP server for AI agents, headless operation for batch rendering, and a scripting tab inside the editor. It also notes that the current production version is the classic release hosted at opencut.app, while the new rewrite will eventually replace it.

OpenReel Video is a browser-based video editor aimed at users who want professional editing capabilities without installing desktop software or uploading media to a cloud service. It is presented as an open source alternative to CapCut and emphasizes privacy, local processing, and free use under the MIT license. The project runs entirely client-side in modern browsers and uses React, TypeScript, WebCodecs, and WebGPU to provide features such as multi-track editing, effects, text tools, audio processing, color grading, and high-quality exports. It is intended for creators who need a capable editing workflow with GPU acceleration and local autosave, while keeping project data on the user’s device.

Omniclip is a browser-based video editing application aimed at users who want a privacy-focused editing workflow without depending on hosted services. It runs entirely in the browser, requires no accounts, and keeps project data on the user's device instead of uploading files to the cloud. The project is positioned as an open-source editor with a modern web-technology stack, including browser APIs such as WebCodecs for high-performance rendering. It supports common editing tasks like trimming, splitting, timeline-based editing, effects, transitions, and multi-resolution export, and it can also be embedded as components into other web projects. The README also notes collaboration support via WebRTC and indicates that additional tooling is planned for future development.

Cut audio and video files using FFMPEG.wasm (documentation in French).

Assemble audio and video files directly in your browser (documentation in French).