altgr-intl
There are 3 repositories under altgr-intl topic.
pieter-degroote/EurKEY-clone
EurKEY Keyboard Layouts (clone project) - Originally created by Steffen Brüntjen. This repo also contains the MSKLC files, which can be used to edit the keyboard layouts and to rebuild the installation files, plus unofficial scripts for AutoHotkey.
Derriick/win-us-altgr-intl
Keyboard layout for Windows - English (intl., with AltGr dead keys)
jmcwilliams403/dvorak-altgr-intl-extd
Windows port of the Linux version of "United States-English (Dvorak, Intl., with AltGr Dead Keys)"