Audio Editing

The Virtual Pantam Playground lets visitors hear the sound of a Yishama Pantam and read about the instrument origins.

Voicy provides searchable sound clips, effects, and sound GIFs, with categories for movies, games, reactions, and messaging or editing use.

This browser-based theremin lets users play a musical synthesizer with a cursor or touchscreen and apply delay, feedback, and other effects.

Cross-platform audio editing is available through ocenaudio, which describes itself as easy to use and provides downloads for Windows and other platforms.

NoiseCraft provides open-source visual programming for sound synthesis and music making, with nodes that users connect in a browser.

The GameAudioGDC archive from SONNISS collects royalty-free sound effects that are commercially usable without attribution.

YOUDJ provides online and downloadable DJ software with AutoSync and AutoBPM features to assist users with mixing music.

Create visual patterns in DrawBeats, a simple sequencer for composing music.

Roland50 Studio digitally reworks instruments from Roland’s history, created in collaboration with sound designer Yuri Suzuki.

BandLab is a cloud platform where musicians and fans create music, collaborate, and engage with one another.

Create custom sound effects for games with Bfxr, a simple sound design tool.

BandLab brings musicians and fans together on a cloud platform to create music, collaborate, and engage with one another.

Soundux provides a soundboard for multiple platforms, according to the supplied project page.

TwistedWave provides browser-based audio editing for recording or editing audio files directly in a web browser.

Download royalty-free sound effects and music in MP3 and WAV formats from Free Sounds Library.

Tonocracy combines amp simulation, gear snapshots, and effects in a guitar tone application available as a plugin and standalone app.

This browser app creates drum patterns with a 64-step sequencer, according to its project description.

Virtual Piano lets users play an online keyboard with a computer, phone, or tablet and browse songs or music sheets.

Designed by Aphex Twin, SampleBrain is a custom sample-mashing application with project information published on GitLab.

Strudel brings TidalCycles pattern language to JavaScript in a browser-based live coding environment for music.

Efflux brings music making to the browser as an online application and tracker.

Compete with other music producers by submitting beats to online battles.

OpenMPT provides access to its source code through SVN browsing and a direct SVN link, with a GitHub link also listed.