Virtual Piano is described as 'A free Virtual Piano to help you learn to play piano online in your web browser. Thousands of chords and scale diagrams show you where the notes are. Use your mouse or touch devices to play. Create and share animated lessons, melodies and demos' and is an website in the OS & Utilities category. There are seven alternatives to Virtual Piano, not only websites but also apps for a variety of platforms, including Windows, Mac, Android and iPhone. The best alternative is VirtualMIDISynth, which is free. Other great sites and apps similar to Virtual Piano are Virtual MIDI Piano Keyboard (Free, Open Source), Free Piano (Free, Open Source), VirtualPiano.net (Free) and VirtualPiano (Free).
VirtualMIDISynth is a software MIDI synthesizer implemented as a Windows multimedia user driver, accessible as a standard MIDI Out device. It works on Windows XP (SP3) / Vista (SP1) / 7 (SP1) / 8 (both x86 and x64), and is based on the great BASS library from un4seen.
Virtual MIDI Piano Keyboard is a MIDI events generator and receiver. It doesn't produce any sound by itself, but can be used to drive a MIDI synthesizer (either hardware or software, internal or external).
Virtual Piano is a free online platform for anyone to use and enjoy. It empowers you to experience playing the Piano online, using your computer – without downloading or installing an app. Users can play instantly, without prior knowledge of formal music notation.
MidiKeys is a small application for Mac OS X that presents a miniature MIDI keyboard onscreen. You can use the computer keyboard to play MIDI notes, or click on the keys with the mouse. There is also an option to select a MIDI source and see incoming notes played on the keyboard.