Linux

wiremix mixes audio in a terminal interface for PipeWire, according to its project description.

ioquake3 distributes an open source Quake III Arena engine with builds for Windows, macOS, and Linux.

TermOne Plus provides a terminal emulator for Android, with documentation and release information on its project site.

LibrePCB supports drawing schematics and designing printed circuit boards through an EDA application, with release updates on its site.

Connect computers over a virtual private network with tinc, an open-source VPN daemon.

Gradia helps annotate and prepare screenshots for sharing, according to its product page.

Vicinae launches apps from a desktop interface available for Linux, macOS, and Windows.

Manage Minecraft servers across platforms with auto-mcs, a server management application.

Mine-imator is a 3D movie maker based on Minecraft, with more than 10 million downloads listed on its project page.

Use chaiNNer to build and run image-processing pipelines in a node editor on Windows, macOS, or Linux.

ManKier provides formatted manual pages for commands, with sample commands and platform references.

REW measures and analyzes room acoustics, speakers, subwoofers, and audio devices.

ZFSBootMenu is a bootloader for Linux on ZFS that finds kernels and initramfs images in ZFS filesystems and boots them.

NextPVR records, plays, and streams live television as a whole-home digital video recorder.

Query and manage SQL databases with Beekeeper Studio, a desktop client for MySQL, Postgres, SQLite, SQL Server, and more.

WhatCable reports USB-C cable speed, charging power, and e-marker data in a Mac app for Apple Silicon.

UniClipboard syncs text, images, and files across Mac, Windows, Linux, iPhone, and Android with end-to-end encryption.

Drawpile lets multiple people draw, sketch, paint, and animate together on the same canvas.

coconutBattery displays battery health and live device information, according to its product page.

Pock manages widgets on the MacBook Touch Bar, according to its product description.

restic backs up data on Linux, macOS, Windows, FreeBSD, and OpenBSD; its project describes it as fast, efficient, and secure.

Use jcode, an open-source terminal coding agent with memory, background tasks, and agent swarms.

VSTskins helps visitors discover, download, and share skins for audio applications, especially plugins and digital audio workstations.

Use Kalker as a calculator with custom variables, functions, differentiation and integration on desktop, mobile or web.