The Tone Foundry is a sound design label that produces preset packs and expansion libraries for popular software synthesizers and music production platforms. Their catalog spans instruments such as Xfer Serum, Native Instruments Massive, u-he Diva, Arturia Pigments, Kilohearts Phase Plant, and Ableton Operator, with releases covering genres including drum & bass, melodic techno, house, synthwave, and cinematic scoring.

Notable releases include Late Night Drum & Bass and Emotive Drum & Bass for Serum, Melodic Tech for Serum, Neon City Synthwave for Massive, and an All Serum Expansions Bundle that collects their Serum-focused work. Their products are distributed through Plugin Boutique, Loopmasters, Producer Loops, ADSR Sounds, and Loopcloud rather than through a single standalone storefront.

The Tone Foundry has 22 products cataloged on Equipboard, including Soft Synth Presets and Expansion Packs.