Record, edit, render and arrange multi-track waveform audio.

REAPER is a digital audio workstation: a complete multitrack audio and MIDI recording, editing, processing, mixing, and mastering environment.

Features:

Fast, Powerful Editing

• 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
• Full automation recording, playback, and editing support for track 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

Plug-in Support

• Insert almost any third-party audio or MIDI plug-in: VST, VSTi, DX, DXi, AU (OSX only), JS
  ReWire (audio and MIDI) any capable application for even more flexibility
• Fully automatic plug-in delay compensation (PDC)
• Sidechain any plug-in, even if the plug-in does not natively support sidechaining
• Apply FX in real time, or non-destructively render FX output
• Real-time network FX processing: use other local machines as an FX farm

What's New:

• FX: fixed zipper noises in wet/dry control
• FX: send all keyboard input to plug-in setting now works on OSX
• Inline MIDI editor: fixed OSX64 support and possibly improved Win64
• MIDI: fix for looped MIDI noteoffs, specifically fixing
• http://forum.cockos.com/project.php?issueid=3293
• OSX: fixed perf meter position restore on startup
• OSX Lion: fixed GUI for some Apple AUs
• ReaFIR: filter small input values to prevent denormal munch
• Virtual MIDI keyboard: fix for crash on some platforms