.gem
| File Type 1 |
 Ventura Publisher Document |
| File Format |
Proprietary (Corel) |
| Usage |
Open manually |
| Popularity |
★ ★ ★ ☆ ☆ Average |
| Description |
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.
|
| Open With |
|
| Updated |
November 9, 2008 |
| File Type 2 |
RubyGems Package |
| File Format |
Proprietary (Ruby) |
| Usage |
Open manually |
| Popularity |
★ ★ ★ ★ ☆ Common |
| Description |
The RubyGems package format is used to save and distribute Ruby programs and libraries. GEM files can be installed using the RubyGems package manager for the Ruby programming language.
 About Ruby Community Ruby
Ruby is an object-oriented programming language created by Yukihiro Matsumoto. It is similar to Perl and also includes aspects of the Smalltalk, Eiffel, Ada, and Lisp programming languages. Ruby can be used to create both software programs and Web applications. It is available in several distributions for Mac, Windows, and Unix systems.
|
| Open With |
| Windows |
 RubyGems
|
| macOS |
RubyGems |
| Unix |
RubyGems |
|
| Updated |
September 18, 2009 |
| File Type 3 |
GEM Metafile |
| File Format |
Proprietary (GEM) |
| Usage |
Referenced by an application; not meant to be opened manually; may run a program or script when opened |
| Popularity |
★ ★ ☆ ☆ ☆ Uncommon |
| Description |
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.
|
| Open With |
| Windows |
GEM Draw, Paint, or Publisher
CorelDRAW Graphics Suite
 ACD Systems Canvas
|
| macOS |
MacLink Plus |
|
| Updated |
2007 |
|
