Frescobaldi LilyPond Editor
An award-winning free and open-source video editor for Linux, Mac, and Windows
An open source image editor which can manipulate an image in many ways
A Telegram Music Tag Editor Bot that can remove almost all usernames in the music tags and add own username instead. It can also add a dynamic caption to musics.
nw-page-editor is an application for viewing/editing ground truth or predicted information for diverse purposes related to the areas of document processing and text recognition.
Elpy is an Emacs package to bring powerful Python editing to Emacs. It combines and configures a number of other packages, both written in Emacs Lisp as well as Python.