When comparing SlickEdit vs GVim, the Slant community recommends SlickEdit for most people. In the question“What are the best viewers/editors for large text files (>4GiB ) on Windows?” SlickEdit is ranked 5th while GVim is ranked 8th. The most important reason people chose SlickEdit is:
SlickEdit supports over 50 programming languages on nine platforms.
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Pros
Pro Extensive support for programming languages
SlickEdit supports over 50 programming languages on nine platforms.
Pro Built-in beautifier
The beautifier formats code as you type to help improve readability and consistency.
Pro Compiler tools
Pro Scriptable
Write custom macro commands, functions, dialogs and tool windows.
Pro Over 13 emulations
Choose from fifteen keyboard emulations, containing the key bindings and behaviors necessary to emulate other editors (e.g., CUA, Vim, GNU Emacs, etc.)
Pro Extensive configuration options
Pro Easy access to Visual Studio workspace
SlickEdit opens Visual Studio workspace with no conversions needed.
Pro Symbol analysis support
There are powerful symbol analysis features in SlickEdit, including context tagging and references.
Pro Integrated debuggers for multiple languages
Integrated debuggers for GNU C++, Java, Python, Perl, Ruby, and PHP.
Pro Multi-Platform
Windows, Linux, Mac OS X, AIX, HP-UX, Solaris SPARC, Solaris x86
Pro Portable mode
Possibility to set up a portable installation, to run on a USB drive for example.
Pro Easy access to XCode projects
SlickEdit opens XCode projects with no conversions needed.
Pro Third party tool integration
Pro Popular version control system
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 No command line option
This is a visual only editor
Con It's kinda slow
If you have a very large project or tag database, it can hang the UI.
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.