system7

Bash toolkit for classic Mac emulation via QEMU. Pre-configured VMs for Quadra 800 (68K) and PowerMac G4 (PPC) running Mac OS 7.5-9.2 and OS X Tiger/Leopard. Auto-downloads ROMs/installers, shared disk for file transfer, curated retro software catalog. Linux/macOS hosts.

Collection of RealBasic Plugins. Many of these are from defunct websites and CD-ROMs. PRs adding more plugins are very welcome.

Cross-platform P2P chat application in C for POSIX (Linux/macOS) and Classic Macintosh (System 7.x). Built on the PeerTalk SDK with support for MacTCP and OpenTransport network stacks, native Mac GUI, and JSON machine mode. Retro68 cross-compilation.

Remote Apple Events for System 7, plus screenshots for context: anything can control, monitor and build on a classic Mac over a socket via MPW ToolServer — Basilisk II, SheepShaver, or real 68k hardware; TCP or serial. 30 MCP tools let any AI model drive it (frontier models already know MPW and Inside Macintosh); the bridge itself needs neither.

Code from the book "Macintosh C Programming Primer (1992)", 2nd Edition, by Dave Marks

Very simple benchmark involving a cube for Classic Mac OS System 7

Classic Mac-style sticky note for macOS

Koollooks is a Tkinter theme á la classic Macintosh System 6 Finder.