Feature Highlights
Efficient, fast to load, and tightly coded. Can be installed and run from a portable or network drive.
Powerful audio and MIDI routing with multichannel support throughout.
64-bit internal audio processing. Import, record to, and render to many media formats, at almost any bit depth and sample rate.
Thorough MIDI hardware and software support.
Support for thousands of third-party plug-in effects and virtual instruments, including VST, VST3, LV2, AU, CLAP, DX, and JS.
Hundreds of studio-quality effects for processing audio and MIDI, and built-in tools for creating new effects.
Automation, modulation, grouping, VCA, surround, macros, OSC, scripting, control surfaces, custom skins and layouts.
A whole lot more.

home page: https://www.reaper.fm/