* [extendable-media-recorder v9.2.40](https://github.com/chrisguttandin/extendable-media-recorder) – Extendable drop-in replacement for the native MediaRecorder enabling custom audio encoders and fallback to the browser implementation.

* [wavesurfer.js 8.0.0-beta.3](https://github.com/katspaugh/wavesurfer.js) – Interactive waveform rendering and audio playback library for web applications.