When comparing Gedit vs GVim, the Slant community recommends GVim for most people. In the question“What are the best open-source text editors for programming?” GVim is ranked 14th while Gedit is ranked 17th. The most important reason people chose GVim is:
When opening files from the file manager, it is still nice to have vim.
Specs
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Pros
Pro Plugins allow for added functionality and customization
There are tons of plugins for productivity available in many different workflows, such as a dictation plugin, an encryption add-on, a whitespace remover, and more.
Pro Great UI
The UI is lean and minimal. Everything feels quite fast and it is easy to add custom shortcuts for doing things like compiling, deploying, or testing.
Pro Available on all systems that use Gnome
Gedit is the official text editor for Gnome and it's available wherever any version of Gnome is installed. With thousands of people using it daily and not even realizing it.
Pro Vim without a shell
When opening files from the file manager, it is still nice to have vim.
Pro Excellent performance
Because it loads the whole file into RAM, replacing all string occurences in 100MB+ files is quick and easy. Every other editor sort of died during that.
Pro Works on all platforms
Whether its your windows machine, a Linux, Unix or a Mac Vim would work everywhere. You can even build it from its source on your favorite linux environment.
Pro Has different cursor shape in command and insert modes
Unlike vim, gvim has different cursor shape in command and insert mode, which is very convenient.
Pro Supports all vim features and settings
All vim features, custom settings, and plugins are automatically available.
Cons
Con Last line bug
Sometimes the last line of text is not visible.
Con Confusing interface
For example, finding anything in the settings menu is hard. Most other text editors use Edit->Preferences for managing settings but this is not the case for Gedit.
Con Faster than Atom but Slower than Geany
Not bad editor. Very similar to Geany, but Geany works faster and has more features.
Con Not a lot of features
Gedit is a text editor. Though it's simple and fast, it misses a lot of features, most notably auto-complete for several languages.
Con GVim, like Vim, has a difficult learning curve
A lot of time is needed to learn all the commands and modes supported. A lot of time will also be spent tuning all the settings to the user's preference.