1. MuseScore:
- Website: https://musescore.org/
- MuseScore is a free, open-source music notation software that also has an online editor. You can create and share musical scores and playback music using its built-in synthesizer.
2. Noteflight:
- Website: https://www.noteflight.com/
- Noteflight is a cloud-based music notation software with a user-friendly interface. It allows you to create, edit, and share musical scores, and it includes a playback feature with different instrument sounds.
3. Soundtrap:
- Website: https://www.soundtrap.com/
- Soundtrap is a browser-based digital audio workstation (DAW). Along with music notation, it offers recording, editing, and mixing capabilities. It also has a playback feature with a wide range of sounds and instruments.
4. Virtual Piano:
- Website: https://virtualpiano.net/
- Virtual Piano is a simple online tool that simulates a playable piano keyboard. You can click on the keys or use your computer's keyboard to play notes. It provides the sound of an actual piano.
5. Online Sequencer:
- Website: https://onlinesequencer.net/
- Online Sequencer is an online music sequencing tool that allows you to create and edit music patterns using a grid-based interface. You can add notes, adjust their length and velocity, and choose different instruments and sounds for playback.
These websites provide basic music notation and playback features, but they may have limitations compared to dedicated music production software. For more advanced music creation and editing, you might want to consider using desktop-based DAWs like Ableton Live, FL Studio, or Logic Pro.