When comparing FlashDevelop vs MacVim, the Slant community recommends MacVim for most people. In the question“What are the best programming text editors?” MacVim is ranked 13th while FlashDevelop is ranked 41st. The most important reason people chose MacVim is:
Every plugin available for Vim is available for MacVim too.
Specs
Ranked in these QuestionsQuestion Ranking
Pros
Pro Free
FlashDevelop comes without any cost.
Pro Haxe development support
FlashDevelop has first-class support for Haxe development, the open source toolkit based on a modern programming language and cross-platform library.
Pro Good code completion
FlashDevelop's code completion is pretty good.
Pro Excellent support for Actionscript 2 and 3 (Flash)
Although everyone claims Flash is dead, it's still quite useful for game developers due to its rapid compile and run times, as well as its great debugging functionality with FlashDevelop.
Pro Good number of project templates
While it's project template system is not the best compared to it's competitors, it still is decent and is a good way to generate some boilerplate code.
Pro XML/HTML completion
FlashDevelop has XML/HTML completion aside from code completion.
Pro .NET Framework 2.0 application
It's windows only, but has tremendous support from plugin developers and a dedicated team that's been developing it for close to 10 years.
Pro Source-control support (svn, git, mercurial)
Pro Great debugging
FlashDevelop provides very efficient debugging features.
Pro Supports Zen-coding for HTML
This is very useful for carrying out high-speed HTML coding and editing.
Pro Snippets
Pro Tasks/todo
Pro SWF/SWC exploration
Pro Great project compilation
FlashDevelop facilitates project compilation.
Pro Decent code generation
Although the code generation can't really be called top-notch, it's decent and sufficient for most developers.
Pro Lots of plugins
Every plugin available for Vim is available for MacVim too.
Pro Extremely customizable
MacVim is Vim, meaning it has all of Vim's customizability and power.
Pro OS X input methods
MacVim supports OSX's native shortcuts making the adoption of Vim easier.
Pro Extensive community support
MacVim, like Vim itself has a large community backing it.
Pro Automatic font substitution
In cases of a selected font missing certain characters, MacVim will find a font that has that character.
Pro Vimtutor teaches the basics of Vim in 30 minutes
Vimtutor is an excellent interactive tutorial for people with no prior experience of Vim. It's bundled with Vim and takes about 30 minutes to complete.
Pro Everything is a mnemonic
Vim associates keys with words. For example, d
is for "delete" and w
is for "word". To perform an action you string together letters. Thus, to delete a word, press dw.
This way it's possible to abstract a large amount of functionality that Vim provides in an intuitive way.
Pro Enables effective keyboard-driven editing due to its modal nature
Interaction with Vim is centered around several modes. Each mode has a different purpose and switching between them changes behaviour and keybindings. There are 12 modes in total (six basic modes and six variations on basic modes) and four of them are used commonly.
Insert mode is for entering text. This mode most resembles traditional text entry in most editors.
Normal mode (the default) is entered by hitting ESC and converts all keybindings to center around movement within the file, search, pane selection, etc.
Command mode is entered by hitting ":" in Normal mode and allows you to execute Vim commands and scripts similar in fashion to a shell.
Visual mode is for selecting lines, blocks, and characters of code.
Modes allow separating concerns between various tasks and reusing keys for different kinds of functionality. As a result, the workflow becomes more efficient.
Pro Multi-byte support
Permits writing characters that don't fit in one byte, most notably logograms (for writing in languages such as Japanese, Chinese, and Korean) and Unicode characters.
Cons
Con Windows only
FlashDevelop is for Windows only, and it's not cross-platform either.
Con Haxe debugging is in its infancy
Although FlashDevelop supports breakpoint debugging on Flashplayers, native Haxe applications (C++) can't be easily debugged within FlashDevelop.
Con Slow when opening files with very long lines
A lot of very long lines can make MacVim take up to a minute to open, where a few other editors take only a few seconds to load the same file.
Con Only available on macOS
A decent text editor is available on all major platforms (macOS, Linux, Windows).
Con Difficult learning curve
MacVim after all is still Vim, and with that comes the complexity that Vim brings and the difficult learning curve that needs to be overcome.