MusicBrainz Picard is a free and open-source software application for identifying, tagging, and organising digital audio recordings.

Texmaker is a cross-platform open source LaTeX editor with an integrated PDF viewer. Texmaker is entirely a Qt app. Texmaker is a free, modern and cross-platf…

wxHexEditor is an open source cross-platform hex editor written in C++ and wxWidgets. It can work as low-level disk editor too.

TextWrangler is an all-purpose text and code editor for Mac OS X, based on the same award-winning technology as BBEdit.

TeXstudio is a cross-platform open source LaTeX editor with an interface similar to Texmaker.