Pure Data (Pd) 0.57 inbound, enduring free software for tinkering with sound

Technology keeps asking us to speed up. Pd is happy to let you slow down: tinker, patch, make mistakes, obsess over a number or signal routing, and do it all visually. The free and open source software is getting a nice 0.57 update with new features, relevant to Pd and tools like libpd and plugdata that are based on it.

Audacity 4, free and open-source audio editor, arrives with a revamped UI

It’s been a long time coming. Audacity, the ubiquitous open-source audio editor now owned by Muse Group, reaches version 4 with a reworked UI and enhanced usability. Here’s a look at what’s new and a first run. And there is one fork to consider, too.

Peter Kirn - September 3, 2026

Open Steinberg: VST3 and ASIO SDKs now have open source licenses

Open licensing for proprietary audio and plug-in standards could enable the entire industry to move forward on some critical work. So it’s great news that Steinberg this month announced not one but two big licensing announcements: first, a dual-licensing model for their ASIO audio driver protocol for Windows (including an OBS collaboration), and now a permissive MIT license for the mighty VST3 plug-in spec.

Peter Kirn - October 29, 2025