.GEM File Extension

Package that may contain Ruby programs and libraries; saved in a self-contained format called a "gem;" can be installed using the RubyGems package manager application included with the Ruby software.

Ruby GEM files can be installed using the "gem install GEMNAME [options]" command. You may also use the "gem list -r -d" command to list the gems installed on a network.

Vector-based metafile format used by Ventura Publisher, a business-oriented desktop publishing program; originally developed by Ventura Software, but acquired by Corel in 1993.

Vector image format used by GEM Draw, a basic drawing program for PCs; GEM stands for "Graphical Environment Manager," and was a windowing system used by Atari ST computers and some Windows-based computers.