1)   PianoBoy- Virtual Piano VSTi 1.01
PianoBoy is an expressive, realistic and sonically beautiful virtual acoustic piano. With your PC or with your laptop, In the studio or on the flight- just sit in front of your piano and play!

 2)   KB Piano 2.2.5
KBPiano will turn your computer into a piano. Easily create song with multiple instruments (guitar, bass, drums, etc), even if you don't know music theory.