When comparing RStudio vs SlickEdit, the Slant community recommends SlickEdit for most people. In the question“What are the best programming text editors?” SlickEdit is ranked 18th while RStudio is ranked 49th. The most important reason people chose SlickEdit is:
SlickEdit supports over 50 programming languages on nine platforms.
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Pros
Pro RStudio is complete with profiling, debugging, plots and package management
Pro It's free
Pro Rmarkdown editor for dynamic reports exported to in HTML, PDF (laTeX) and Word
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
Cons
Con Poor navigation
No file structure tree, no options to create file in folder.
Con Interface is not very good
Con Costs money for most licenses except student and educator licenses
Con Git integration
Most Git operations have to get handled via command line.
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.