When comparing TextMate vs Textadept, the Slant community recommends Textadept for most people. In the question“What are the best programming text editors?” Textadept is ranked 16th while TextMate is ranked 23rd. The most important reason people chose Textadept is:
Both text and GUI versions behave mostly the same, just the way notepad users would expect it to. Like shift+arrows - select, Ctrl+c - copy, Ctrl+o - open a file.
Specs
Ranked in these QuestionsQuestion Ranking
Pros
Pro Open source
Textmate is open source and hosted on GitHub.
Pro Extensible
TextMate has an extensive library of plugins which can be further extended to make it even more powerful.
Pro Lightweight footprint
It's lightweight footprint makes it extremely fast to load and use.
Pro Multi line select and editing
Pro Snippets
Pro OS X only (native)
Pro Has both GUI and TUI
Both text and GUI versions behave mostly the same, just the way notepad users would expect it to.
Like shift+arrows - select, Ctrl+c - copy, Ctrl+o - open a file.
Pro Cross-platform
It's available for Windows, Mac and Linux.
Pro Small and portable
Has very few dependencies, and very small footprint. Can be copied to a new system in a moment, unpacked and be at your service.
Pro Scriptable
Has a built-in lua engine.
Cons
Con OS X only
TextMate is for OSX only.
Con Community
Does not have an IRC channel or some kind of forum where a community of developers/plugin writers could evolve around. Has a mailing list which is said to be active but that does not feel that attractive.