Kilohearts is a Swedish company known for its innovative approach to audio software, particularly through its modular plugin ecosystem. Their core concept revolves around "Snapins," individual effect plugins that can be used independently or within their "Host" plugins like Snap Heap, Multipass, and Phase Plant. These host plugins allow users to chain and modulate Snapins, creating custom effects chains and synthesizer sounds with a high degree of flexibility. Kilohearts also offers a collection of free "Essentials" plugins and premium effects, all designed to be efficient and encourage a creative workflow. The company is owned by its employees and focuses on providing powerful tools for music producers and sound designers.