This is portable version of REAPER. Cockos REAPER is a powerful but sensible Windows application that lets you record, arrange, edit, and render multi-track waveform audio. It provides an extensive set of features, but is a very small and lightweight application (the installer is less than 1 megabyte, and includes many effects and a sample project).

► Basic features:

Portable - supports running from USB keys or other removable media

64 bit audio engine

Excellent low-latency performance

Multiprocessor capable

Direct multi-track recording to many formats including WAV/BWF/W64, AIFF, WavPack, FLAC, OGG, and MIDI.

Extremely flexible routing

Fast, tool-less editing

Supports a wide range of hardware (nearly any audio interface, outboard hardware, many control surfaces)

Support for VST, VSTi, DX, DXi effects

ReaPlugs: high quality 64 bit effect suite

Tightly coded - installer is just over 2MB

6.29

+ Actions: rename "Envelope: Clear envelope" to "Envelope: Clear or remove envelope"

+ API: add hwnd_info hook for improved plug-in global hotkey integration

+ API: fix typo in documentation of IReaperUIEmbedInterface [p=2438620]

+ API: GetSetProjectInfo_String() supports TRACK_GROUP_NAME:x

+ API: run hookpostcommand2 hooks for reascripts and custom actions

+ Automation items: action to create new automation item uses razor edit areas if they exist

+ Envelopes: add "remove envelope" action to envelope control panel context menu

+ Envelopes: fix possible redraw of media lane envelopes when opening project [p=2444590]

+ FX: fix monitoring window persistence when using new undo point option [t=252896]

+ FX: improve embedded FX update frequency when mouse-editing

+ FX: improve docked mixer visibility restoration when adding FX via docked FX browser [t=253330]

+ FX: fix visual display of TCP/MCP parameter knob when parameter min/max is reversed

+ JSFX: allow export_buffer_to_project() to use 64 channels

+ JSFX: effects may now request samplerate for opened media using file_riff(fh,nch='rqsr',srate=desired_samplerate);

+ macOS: rename ARM build to REAPER-ARM.app, Intel 64-bit to REAPER.app, update volume labels of disk images

+ Media explorer: add option to preview through track named "Media Explorer Preview"

+ Media explorer: fix re-sorting randomized file list after running action to set file as favorite [p=2437642]

+ Media explorer: fix searching after renaming file

+ Media explorer: refresh display after resetting column order to default

+ Media explorer: support adding additional user-specifiable metadata display columns

+ Media items: when mouse-moving selected area of grouped items, group the remaining right-hand side of items separately from the left-hand side, for consistency with cut/paste behavior

+ Notation: fix key snapping on first beat of local key signature change [t=221385]

+ Notation: improve edit cursor position rounding when using snap to samplerate

+ Notation: assign current voice when inserting notes via "insert note at nearest A/B/C/etc" actions [t=216159]

+ OSC: support touch status for up to 2048 tracks [t=253320]

+ Project bay: show bypass/offline status for FX that are unavailable

+ Project metadata: disallow spaces in IXML element identifiers

+ Razor edit: add razor edit envelope editing behaviors

+ Razor edit: add mouse modifiers to expand or compress envelope range, relative to average value or toward top/bottom

+ Razor edit: ensure that pasted media items remain grouped and pasted automation items remain pooled across tracks

+ Razor edit: fix media item display after pasting razor edit area and zooming [t=252759]

+ Razor edit: skip hidden envelope lanes when marquee-creating razor edit areas with "move envelope points with razor edits" disabled

+ Razor edit: when editing or cutting, group the remaining right-hand side of items separately from the left-hand side [p=2439372]

+ Razor edit: when mouse-copying items, create new groups if necessary

+ ReaPlugs: display more significant digits of ReaDelay/ReaPitch pan position [t=253521]

+ ReaScript: show file/line number for Lua calls to ReaScriptError()

+ ReaScript: improve Lua ReaScriptError() behavior when called from extension-added functions, allow ! prefix to stop script execution

+ ReaScript: support "NUMCHANNELS", "NUMSPEAKERS", "RESETCHANNELS" for ReaSurroundPan via Track/TakeFX_SetNamedConfigParm

+ ReaScript: ReaSurroundPan FX_Get/SetNamedConfigParm("NUMSPEAKERS") will interpret a value like "6S" as 6-channel surround, "8I" as 8-channel ITU, "12A" as 12-channel Auro, etc

+ ReaSurroundPan: add new 2D/3D surround panner plug-in

+ ReaSurroundPan: supports common speaker spatial arrangements and user-customizable arrangements up to 64 inputs/outputs

+ ReaSurroundPan: add actions to display ReaSurroundPan embedded in TCP or MCP

+ ReaSurroundPan: support axis linking (forcing edits to a particular shape on the z-axis)

+ ReaSurroundPan: support editing anchor channel via controller, but does not record automation

+ ReaSurroundPan: support per-channel delay

+ Ruler: add option to display region name when region start is offscreen

+ Ruler: add option to hide region number if region is named

+ Spectral edits: fix issue with playback starting after item loop [t=252747]

+ Spectral edits: improve performance with large numbers of spectral edits

+ Super8: allow drag-drop of samples to channels

+ Super8: improve layouts when UI is resized very wide or very tall

+ Super8: improve MIDI-control behavior when same note/CC is assigned to a channel's record and play controls

+ Theme: add razor_env, razor_env_l, razor_env_r cursors

+ Video: improve default ordering of 2x2 matrix preset [t=252286]

+ VST3: actually support third-party embeddable UIs via IReaperUIEmbedInterface interface [t=252907]

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