This small size application is a free version of the famous Jigsaw Puzzle game and it has only the basic features such as creating a puzzle image from a picture, selecting the number of pieces (which is limited from 30 up to 1321 pieces) and removing option. You can select the color and the texture for your background too.
KBPiano will turn your computer into a piano. Just press the keyboard's keys and you'll hear sounds coming out your speaker. You can configure the program to play chords by pressing just a key (configured automatically when you create a new file). Supports 15 channels, and realtime mixing, so you can create professional quality midi files. It is very easy to learn and use. If you want to record your own songs, give KBPiano a try !