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Clock Signal vs AppleWin: catalog facts
Clock SignalAppleWin
Free

Free and open source, developed by Tom Harte.

Free

Free and open source.

macOS, Linux Windows
  • Emulates a wide range of 8- and 16-bit computers and consoles in one program
  • Designed around low input and display latency
  • Covers several Apple II models and clones
  • Emulates a variety of peripheral cards
  • No separate project homepage beyond the GitHub repository
  • Some systems need original ROM images supplied by the user
  • Windows only
  • Software disk images must be supplied separately
Downloadable app Downloadable app
Open source Open source
License: MIT License: GPL-2.0
No account needed No account needed
Works offline Works offline

Checked September 23, 2026

Checked September 24, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.