Bluefish is a powerful editor targeted towards programmers and web developers, with many options to write websites, scripts, and programming code.

Bluefish Features:

● Lightweight - Bluefish tries to be lean and clean, as far as possible, given that it is a GUI editor.
● Fast - Bluefish starts really quickly (even on a netbook) and loads hundreds of files within seconds.
● Multiple document interface easily opens 500+ documents (tested >10000 documents simultaneously)
● Project support enables you to work efficiently on multiple projects and automatically restores settings for each project.
● Multi-threaded support for remote files using gvfs, supporting FTP, SFTP, HTTP, HTTPS, WebDAV, CIFS, and more
● Potent search and replace, with support for Perl-compatible regular expressions, sub-pattern replacing, and search and replace in files on disk.
● Open files recursively based on filename patterns and content patterns
● Snippets sidebar - specify custom dialogs, search and replace patterns, or insert patterns and bind them to a shortcut key combination of your liking to speed up your development process
● Integrate external programs such as make, lint, weblint, xmllint, tidy, javac, or your program or script to handle advanced text processing or error detection
● Integrate external filters of your liking, pipe your document (or just the current selected text) through sort, sed, awk, or any custom script
● Unlimited undo/redo functionality
● In-line spell checker which is programming language aware (spell check comments and strings, but not code), requires libenchant during compilation2
● Auto-recovery of changes in modified documents after a crash, kill or shutdown
● Character map of all Unicode characters (requires libgucharmap during compilation)3
● Site upload / download1
● Full-screen editing
● More.....