macOS

Pismo provides a native AI writing assistant for Mac and Windows, with writing tools and subscription plans.

EDuke32 provides an updated version of Duke Nukem 3D with modern features for supported systems.

cliamp plays music in a terminal and is described as inspired by Winamp.

The FirefoxCSS Store is a community catalog for discovering and sharing Firefox userChrome.css themes.

This browser-based circuit simulator displays an animated LRC circuit and uses color to show voltage polarity and ground.

OneCommander is a Windows file manager with dual-pane browsing, Miller columns, tabs, and built-in previews.

TextMate provides a customizable macOS editor with programming-language support.

Yattee plays video on iOS, tvOS, and macOS, with its project describing a privacy-oriented design.

Aria Maestosa is an open-source MIDI sequencer and editor for composing, editing, and playing files on Windows, macOS, and Linux.

The Apple Wiki is a community effort to document Apple devices and software.

FontForge provides a libre font editor with releases listed for Windows, macOS, and Linux.

Lyrion Music Server controls and streams music to compatible physical and virtual audio players.

Winetricks helps work around problems in Wine, according to its project description.

navi lets users browse interactive command-line cheat sheets that they can write or download.

Use Voicemod as a real-time voice changer and soundboard on desktop or mobile, including in voice apps and in-game chats.

BreakTimer provides break reminders intended to help users manage screen time and eye strain.

Helm offers a free polyphonic synthesizer for GNU/Linux, Mac, and Windows, as a standalone program or audio plugin.

TranslateAir translates text from Mac apps and documents and uses OCR to extract text from screenshots and PDFs.

Hachidori updates MyAnimeList from OS X, according to its product page title.

VacuumTube wraps YouTube Leanback for desktop use, with a built-in ad blocker and other interface enhancements.

htop displays and manages running processes in an interactive terminal interface.

Xournal++ is open-source software for handwritten notes, sketching, and annotation.

Infinite Mac runs classic Mac operating systems and software in a browser-based interactive environment.

Voicenotes creates notes and answers from meetings without joining the call, and lists support for macOS, iOS, Windows, Android, web and Watch.