reference-card
There are 5 repositories under reference-card topic.
rudymatela/concise-cheat-sheets
Cheat Sheets for programming languages and tools
jpellegrini/gnu-apl-refcard
A reference card for GNU APL
bytezoid/refcards
Bytezoid's RefCards
nicealias/disk-partition-units
A units chart for size in disk partitioning and file tools. For those moments when a megabyte is not a mebibyte, Linux or otherwise.
polyluxus/refcard
Reference Card Class for LaTeX2e