Alternate Chord is a very powerful and excellent music score chords tool designed specifically for practicing guitar chords and guitar scales, developed by Alternate Tools from Germany. It has a clear and intuitive interface, includes a variety of different chords, allows the addition of your own scales and chords, and provides the possibility to listen to scales/chords through the MIDI interface. Better yet, it's free and open-source.

ConnectBot is a free and open-source terminal emulator designed specifically for Android devices. It allows users to establish secure and encrypted SSH (Secure Shell) connections to remote servers, making it an indispensable tool for developers, system administrators, and tech enthusiasts who need to manage and control remote systems on the go.

If you are a software developer, you're likely aware that there are times when you need to decompile certain assemblies to gain a clearer understanding of their functionality, that is, to reverse engineer it. However, achieving this without the right tools can often be quite challenging. Fortunately, there are many software solutions available, such as dnSpy, which enable you to obtain quick and effective results.

Ext2Explore (formerly called Ext2Read) is a free and open-source utility designed to facilitate the exploration and reading of files stored in Linux-based ext file systems directly from a Windows environment. As Linux file systems are not natively supported by Windows, this tool bridges the gap, allowing users to access their files without needing to boot into Linux or use additional complex virtualization techniques.

If you are a biology student, researcher, or simply a biology enthusiast eager to deepen your understanding, Cytoscape is the ideal tool for you. This software enables you to visualize molecular interaction networks and biological pathways while incorporating annotations and state data.