Nextmidi is a music software company based in Frankfurt am Main, Germany, operating as Nextmidi GmbH & Co. KG. The company is represented by Steffen Brinkmann and Peter Gromer, and focuses on real-time MIDI tools for composers and producers working with virtual orchestras and large multi-instrument setups.

The company is best known for Divisimate, a real-time orchestration plug-in built around what Nextmidi calls a Realtime MIDI Divisi Engine, which splits incoming chords into individual voices that can be routed and processed across separate virtual instruments. The product line includes Divisimate 2, a full orchestration engine with 32 multitimbral MIDI ports and built-in arpeggiator and performance tools; Divisimate Core, a modular version with 16 parts per instance; and Divisimate Micro, a lightweight divisi plug-in supporting up to four voices. The plug-ins run on macOS and Windows and are aimed primarily at film, game, and orchestral composers.

Nextmidi has 2 products cataloged on Equipboard, including Utility Plugins.