MyPlayer is an audio file player for embedding in HTML documents. It supports MP3, Ogg Vorbis, and other file formats, playlists for navigating through multiple tracks, reading information from M3U playlists (with extended information), and ID3 tags (v1 and v2). Many commented usage examples are included.
QuickQWERTY is a touch typing tutor. It can be used to train your fingers to type without looking at the keys. After completing all the units available in this software, the student would know the location of the keys on the keyboard through muscle memory, and would be able to effortlessly use the right finger for each key.
Bitcoinproof creates a forgery-proof timestamp for your data, secured by the Bitcoin network. It allows you to prove that a certain event happened before a certain point in time. Maybe you want to prove that the damage in your flat already existed when you moved in, or that you were in possession of a great artwork before it was published, proving you are the author.