Plugin Work

Beta testing, preset design, and feedback for the companies building the tools I use every day.

Mat Leffler-Schulman 10/7/26 Mat Leffler-Schulman 10/7/26

Weiss Plugins

Preset libraries for 5 plugins in Softube's Weiss collection, including the DS1-MK3, DS5 Multiband Compressor, De-Ess, Exciter, and MM-1 Mastering Maximizer.

Mat Leffler-Schulman 6/3/26 Mat Leffler-Schulman 6/3/26

Limit Pro

Beta testing and preset design on Limit Pro, working directly with Niklas Odelholm at Softube during development. Presets cover five genres, each with a Clean and a Loud version.

Mat Leffler-Schulman 5/13/26 Mat Leffler-Schulman 5/13/26

WaveLab Pro

Featured on the Steinberg artist roster. Working with Philippe Goutier and the WaveLab team since v11, with presets included in the Rainbow Waveform Settings.

Mat Leffler-Schulman 5/28/19 Mat Leffler-Schulman 5/28/19

Uni-L Master Limiter

Beta testing and preset design on Uni-L, working directly with Tone Projects owner Rune Lund-Hermansen. A modern mastering limiter co-developed with mastering engineer Bob Macc, with my custom presets included in the release.

Mat Leffler-Schulman 2/5/19 Mat Leffler-Schulman 2/5/19

P915 Medusa

Beta testing and preset design on Pulsar's P915 Medusa (Parallel Frequency Balancer). Featured testimonial on the product page.