| accordion | American organ |
| calliope | carillon |
| celesta | chamber organ |
| cinema organ | clavichord |
| clavicytherium | clavier |
| computer organ | dulcitone |
| electric organ | electronic organ |
| fortepiano | grand piano |
| Hammond organ (trademark) | harmonium |
| harpsichord | mellotron |
| melodeon | melodica |
| Moog synthesizer (trademark) | Novachord |
| ondes martenot | organ |
| pianino | piano |
| piano accordion | pianoforte |
| pianola | pipe organ |
| player-piano | portative organ |
| positive organ | reed organ |
| spinet | stylophone |
| synthesizer | upright piano |
| virginals | Wurlitzer (trademark) |