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vlc
videolanVLC media player - plays everything, runs anywhere. Code here: https://code.videolan.org/videolan/vlc
rpcs3
RPCS3A PlayStation 3 emulator and debugger. It runs PS3 games on a computer with Vulkan and OpenGL rendering, resolution scaling and save management, plus debugging features for development and research. It suits revisiting PS3 titles or studying the platform.
obs-studio
obsprojectFree, open-source software for live streaming and screen recording. It captures screens, windows, cameras and audio, switches between scenes with layered sources and filters, and streams to platforms such as Twitch and YouTube or records to file. It suits streaming, recording courses and gameplay.
mpv
mpv-playerA command-line media player. Built on ffmpeg, it plays almost any audio or video format with subtitles, can be scripted to control playback and processing, and extends through config files and Lua scripts. It has no interface of its own but works with front ends, which suits precise control or embedding playback in automation.
kitty
kovidgoyalIf you live in the terminal, kitty is made for you! Cross-platform, fast, feature-rich, GPU based.
scrcpy
GenymobileDisplays and controls an Android device from the computer. Over USB or wirelessly it mirrors the phone screen to the desktop, where you can operate it with keyboard and mouse, drag files across and record the screen, with low latency and no root required. It suits replying to messages from the desktop, demoing mobile apps or running automated tests.