A hex editor Eclipse plugin and multi-platform desktop application
You can install the latest Eclipse plugin version from the update site https://javahexeditor.sourceforge.io/update or the Eclipse Marketplace https://marketplace.eclipse.org/content/java-hex-editor. Older versions of the Eclipse plugin are available via the update site for the version, e.g. https://javahexeditor.sourceforge.io/update/0.5.1
You can download the latest stand-alone version and older versions on the "Files" tab.
Canorus is a free cross-platform music score editor. It supports an unlimited number and length of staffs, polyphony, a MIDI playback of notes, chord markings, lyrics, import/export filters to formats like MIDI, MusicXML, ABC Music, MusiXTeX and LilyPond
A stand-alone editor using Mediawiki markup language to generate HTML code. You can create and preview pages written using Mediawiki markup (i.e. Wikipedia pages) while off-line.