HexWalk is an Hex editor, viewer, analyzer based on opensource
projects like qhexedit2, binwalk and QT
It is cross platform and has plenty of features:
- Advanced find patterns in binary files based on HEX, UTF8, UTF16 and regex
- Binwalk integration
- Entropy Analysis
- Byte Map
- Hash Calculator
- Bin/Dec/Hex Converter
- Hex file editing
- Diff file analysis
- Byte Patterns to parse headers

QHexEdit is a hex editor widget written in C++ for the Qt (Qt4, Qt5) framework. It is a simple editor for binary data, just like QPlainTextEdit is for text data. There are sip configuration files included, so it is easy to create bindings for PyQt and you can use this widget also in python 2 and 3.

QuiteRSS is an open-source cross-platform RSS/Atom news feeds reader

wmutils' core is a set of tools for X windows manipulation.
Each tool only has one purpose, to make it as flexible and reliable as possible.