Bluefish2.4.2

Bluefish lets programmers and web developers edit website files, scripts, and source code across many programming and markup languages. It is built for writing and maintaining code directly, giving users one workspace for text editing, project files, and markup-heavy content. The Bluefish Dev Team publishes it as open-source software for Windows, with version 2.4.2 categorized under System Tools.

Its multi-document interface opens hundreds of files and has been tested with more than 10,000 documents open at once, while the lightweight design keeps startup quick. Project support separates multiple workspaces and restores each project’s settings automatically; recursive file opening can use filename or content patterns, and search-and-replace handles Perl Compatible regular expressions, sub-pattern replacement, and files stored on disk. Unlimited undo and redo, recovery of modified documents after a crash, full-screen editing, and an inline spell checker that understands programming languages cover everyday editing tasks.

The snippets sidebar can hold custom dialogs, search-and-replace patterns, and insertion patterns mapped to keyboard shortcuts. Bluefish can connect external programs and filters such as make, lint, weblint, xmllint, tidy, javac, sort, sed, awk, and custom scripts for text processing or error detection. Multithreaded GVFS support reaches remote files through FTP, SFTP, HTTP, HTTPS, WebDAV, CIFS, and other protocols.

Additional tools provide site uploading and downloading, tabs-to-spaces conversion, line joining, line-to-column conversion, whitespace removal, and a Unicode character map. The spell checker requires libenchant during compilation, while the Unicode character map requires libgucharmap during compilation.