Reaper v5.201

Record

• Record and overdub audio and MIDI. The number of simultaneous recording inputs is limited only by your hardware.
• Record directly to any of a dozen supported audio formats, at any sample rate or bit depth.
• Any track can record audio or MIDI input, or record that track's processed audio or MIDI output.
• Record multiple takes or layers, overdub, punch in and out, or record in a loop.
• Record arm and disarm tracks without stopping playback.
• Record directly to stereo, surround, or multichannel audio files, before or after effects processing.
• Monitor inputs with or without software FX.
• Set up multiple monitor mixes with separate FX processing.
• Tape-style varispeed recording and playback.
• Record simultaneously to multiple disks for redundancy and scalability.

Produce

• Drag and drop to import, arrange, and render.
• Freely mix audio, MIDI, video, still image media on any track.
• Easily move, split, glue, resize, trim, loop, time stretch, pitch shift, fade, crossfade, slip, snap to grid, without switching tools.
• Intuitive zoom, scroll, scrub, jog, tab to audio transient, MIDI navigation.
• Simple and powerful nested folder system allows group editing, routing, bussing, all in one step.
• Open multiple projects simultaneously in separate tabs.
• Full automation recording, playback, and editing support for track and media item take controls and plug-ins.
• Easily manage tempo, time signature, and varispeed changes.
• Separate audio or MIDI into freely arrangeable takes and lanes for easy comping.
• Easily copy or move regions, to quickly try out alternate arrangements.
• Thorough and flexible multichannel support. Each track supports up to 64 individually routable channels.

Transform

• Insert almost any third-party audio or MIDI plug-in: VST, VST3, VSTi, DX/DXi (Windows only), AU/AUi (OS X only), JS.
• Apply FX in real time, or non-destructively render FX output.
• Real-time network FX processing: use other local machines as an FX farm.
• Includes the JSFX audio and midi plug-in scripting engine, and hundreds of user-programmable effects.
• ReWire (audio and MIDI) any capable application for even more flexibility.
• Automatic plug-in delay compensation (PDC).
• Industry-leading performance and multiprocessor utilization.
• Native bridging and firewalling: run 32-bit plug-ins in REAPER x64, maximize RAM utilization, protect against and recover from plug-in crashes.
• Sidechain any plug-in, even if the plug-in does not natively support sidechaining.
• Real-time pitch shifting, correction, and time stretch. Includes multiple pitch/timestretch engines including Elastique 3 Pro.
• ReaSurround included, for spatial visualization and processing of stereo, surround, or multichannel audio (up to 64 channels).
• Special-use plug-ins to virtualize outboard hardware, manage MIDI signals, stream audio, connect to NINJAM servers, and more

Customize

• Thoroughly customizable appearance - change colors, icons, toolbars, layouts, almost anything. Switch between multiple layouts as needed for different tasks.
• REAPER's outboard windows can be shown, hidden, docked, or displayed on a separate monitor. Save and recall screensets for different tasks.
• Almost anything that REAPER can do, literally thousands of actions, alone or in sequence, can be triggered by a keystroke, toolbar button, or external controller.
• Easily extensible. Develop simple macros or complex extensions in Lua, EEL, or Python.
• Deeply extensible. Includes an integrated development environment for composing, editing, and testing ReaScripts.

Intangibles

• REAPER starts and loads fast - be ready to record in just a few seconds.
• Nearly everything can be done on the fly while playing back or recording - adding/removing FX, editing, editing other project tabs.
• Portable - put REAPER in your pocket and run it from a USB key or other removable media.
• Tightly coded - installers are around 10 MB, updates usually install in less than a minute.
• Rapid, efficient development - new features and optimizations are added quickly and often.
• Very active, enthusiastic, and helpful user forum, get help quickly.
• Fantastic and readable user-created user guide.
• An honest business model that aims to provide the best possible user experience.