G-Sonique is a music software company based in Piešťany, Slovak Republic, founded in 2007 by a pair of musicians — including Marian Brezovan — who wanted digital production tools with the warmth and character of analog hardware they couldn't afford. The company specializes in VST/AU plugins for electronic music production, offering synthesizers, creative effects, mixing and mastering processors, guitar effects, and sample packs, all at accessible price points.

Their product lineup spans a wide range of electronic music tools, including the Alien 303 (an acid bass synthesizer), the Ultrabass MX4/4 (a bass synth designed for 4/4 dance genres), the Twisthead VS-206 (a vintage vacuum tube preamp emulation), the X-Prog 4600 (a progressive psytrance instrument), the Psychedelic Spiral S1 (a psychedelic sound transformation effect), the Technotron SD-422, and the DubShox H8. They also offer the Psytrance Drum Kit sample pack with over 1,000 drum samples for trance and psytrance producers. Their plugins have found favor among electronic music artists across drum & bass, techno, psytrance, and other genres, with users including Black Sun Empire, Teddy Killerz, Zardonic, VINAI, and Vinicius Honorio.

G-Sonique has 4 products cataloged on Equipboard, including Synth Plugins, Saturation Plugins, and EQ Plugins.