FileTools is a flexible and powerful suite of tools for easily performing a wide variety of file wrangling and processing tasks.

• FileTools for OS X : £8.99 / €9.99 / $9.99

BitSafe stores your logins and other sensitive information safely and securely and encrypted documents, with web browser extensions to integrate with Safari, Firefox and Chrome. It also features an encrypted archive file format.

• BitSafe for OS X : £8.99 / €9.99 / $9.99
• BitSafe for iOS : £4.49 / €4.99 /$4.99

BitSafeArchiver is a companion app for BitSafe. It encrypts file and folders securely in its AES-256 encrypted archive format. BitSafeArchiverLE is free and provides read-only support so that you can decrypt files without having to buy anything.

• BitSafeArchiver for OS X : £0.89 / €0.99 / $0.99

Quaver is a utility o assist composers and recording engineers with some maths and musical theory. It can calculate delay times and oscillator frequencies for a given tempo, tell you the fundamental frequency of a given note, or list the notes in scale or mode - and even show you the key signature.

• Quaver for OS X : £0.89 / €0.99 / $0.99
• Quaver for iOS : £0.89 / €0.99 / $0.99

Look up chords to find their constituent notes, or search for all the chords which contain a particular combination of notes. You can also play the notes and chords on the built-in tone generator. Chordex is available for OS X and IOS.

• Chordex for OS X : £0.89 / €0.99 / $0.99
• Chordex for iOS : £0.89 / €0.99 / $0.99