Open Source Apps with 'Support for 4K' feature

Cross-platform, free media player supports multimedia files, DVDs, streaming, offers hardware acceleration, 4K, lossless audio, and more.

Media center supporting movies, series, YouTube, and smartTV casting via DLNA/Chromecast. Offers HD, subtitles, add-ons, with no registration needed. Notice of new episodes.

An open-source multithreaded video transcoder, HandBrake compresses and converts digital media, supporting MP4, MKV formats, and offers hardware-accelerated conversion.

A free, open-source painting program for professional artists offering customizable UI, 9 brush engines, layer support, and color management.

Free open-source 3D software for modeling, texturing, rigging, animation, rendering, compositing, video editing, and simulation.

Comprehensive software providing screen recording and live streaming on Mac, Windows, and Linux with powerful encoding support and unlimited scenes.

Intuitive multi-track video editor with robust hardware-accelerated support; offers chroma key, color grading, and extensive audio/video format compatibility.

Lightweight and open-source app for YouTube, PeerTube, SoundCloud, and more. No Google Account needed, supports 4K and background audio streaming with downloads.

Free and open-source tool for screen capture and recording; enables file uploads, annotation, dark mode, 4K support, and customizable themes.

Cross-platform multimedia framework performing decoding, encoding, transcoding, muxing, demuxing, streaming, filtering, and playback for nearly all media formats.

Open-source media player supporting Linux to iOS, highly customizable with plug-ins, supports 4K and diverse formats, privacy-centric and ad-free.

Open-source media player offering video and audio format support, no ads, and community-driven development. Features include dark theme, codec support, and YouTube compatibility.

Versatile media player supporting multiple video formats, wide codec range, subtitles, hardware acceleration, OpenGL output, and intuitive CLI controls.

Free open-source media system alternative to proprietary options, supports Chromecast, 4K streaming, plugin extensions, with privacy focus.

PeerTube is a free, decentralized and federated video platform developed as an alternative to other platforms that centralize our data and attention, such as YouTube, Dailymotion or Vimeo. But one organization hosting PeerTube alone may not have enough money to pay for bandwidth...

Experience YouTube ad-free on desktop with enhanced privacy. FreeTube prevents Google tracking and works seamlessly across Windows, Mac, and Linux.

Command line program that's a youtube-dl fork that downloads videos from YouTube and over 1000 sites. The main focus of this project is adding new features and patches while also keeping up to date with the original project.

Free, open-source video editing with multi-format timelines, frame accurate seeking, and robust capture support up to 4k for diverse projects.

Linear video editor for basic cutting, filtering, encoding, scripting, and batch processing; supports many formats but not for non-linear or montage editing.

Emphasizes privacy with end-to-end encryption, Proton Drive safely stores, synchronizes, and shares files across devices via web and mobile applications.

An open-source, ad-free front-end to YouTube offering video downloads, audio-only mode, and subscription management without JS or registration.

Download videos from YouTube and over 1000 sites using a platform-independent command-line tool, requiring Python. Integration with other programs is possible.

Ad-free and privacy-focused downloader for videos, music, and media from major social and media platforms, supporting direct sharing link downloads and open API integration.

Simple, cross platform video editor for lossless trimming / cutting of videos. Great for rough processing of large video files taken from a video camera, GoPro, drone, etc. Lets you quickly extract the good parts from your videos and discard GB of data without losing quality.

MKVToolnix is a set of tools to create, alter and inspect Matroska files under Linux, other Unices and Windows. They do for Matroska what the OGMtools do for the OGM format and then some. The latest builds now have the ability to create WebM compliant Files.