Q-EmuLator

Q-emuLator is currently one of the most popular Sinclair QL hardware emulators, it was created and is maintained by Daniele Terdina. It runs as an application in Microsoft Windows or Apple Mac OS environments.

The basic version is shareware and completely free to use. It features:

Emulation of a standard, unexpanded QL (no faster modes)
Access to Windows/Mac directories
Access to a real floppy drive (if fitted - note that many USB floppy drives are not compatible)

Q-emuLator can be registered for a fee of US$35.00 (in mid 2020) which unlocks more advanced features, including:

Faster CPU emulation
Basic support for sub-directories
Direct access to attached QXL.WIN container files
Direct access to QL ZIP and qlpak files
Improved video modes
TCP/IP drivers

Further info and links to download can be found on the Q-emuLator website.