Linux

OCI containers and pods can be managed with Podman, an open-source container tool.

Mudlet connects users to text-based multiplayer games through a client for Windows, macOS, and Linux.

Helium Music Manager catalogs, tags, converts, streams, and plays a user's music collection on Windows.

The Virtual OS Museum collects preinstalled operating systems in a Linux virtual machine with launchers for Windows and Linux.

fclones finds duplicate files, according to the project title and repository description.

Kopia backs up data across Windows, macOS, and Linux with incremental backups, client-side encryption, compression, and deduplication.

libfolia provides a C++ library for processing data in the FoLiA format.

Take notes in tomboy-ng and synchronize them across Linux, Windows, and macOS, with rich text, printing, and spell check.

Prezto configures Zsh with defaults, aliases, functions, and command-line interface enhancements.

TikZ Editor provides a visual editor for creating or editing TikZ diagrams in LaTeX.

Upscayl offers free, open-source AI image upscaling software for Linux, macOS, and Windows.

linux-tkg provides scripts to download, patch, and compile Linux kernel versions 5.4 and later.

Use Fedistar, a desktop client for viewing the Fediverse in multiple columns.

PureMPV copies a playing video’s file path, timestamps, and crop coordinates for FFmpeg, with Linux and macOS support noted.

AeroThemePlasma offers a KDE Plasma shell with a design based on the Windows 7 desktop.

Listen on network ports or open a reverse shell with Rustcat, a cross-platform command-line tool.

PosteRazor splits a raster image into printable pieces that can be assembled into a poster, with a browser version also available.

SonyHeadphonesClient provides a cross-platform library implementation for Sony Sound Connect headphones.

Rare provides a graphical interface for Legendary, a command-line alternative for the Epic Games Launcher.

This OpenPGP page lists email applications that support the standard directly or through additional software, across several desktop platforms.

Episteme Reader handles documents and ebooks offline on mobile and desktop devices.

Play audio and video formats with SMPlayer, a media player for Windows and Linux that includes built-in codecs.

xplr explores files from a terminal interface, with support for plugins, integrations, and custom hacks.

MAIM creates real-time digital distortion effects by circuit-bending MP3 and Opus encoders in an audio plugin.