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

6.27

+ Dither: fix half-bit DC offset [p=2425940]

+ FX: add option to not add undo points when closing FX windows [t=250733]

+ FX: improve pin connector window

+ FX: fix persistence of take FX processing channel count when processing only 2 channels on a track with more than 2 channels

+ JSFX: add Channel Mapper-Downmixer plugin

+ JSFX: add option in pin connector dialog I/O menu to pass through or zero out unused output channels

+ JSFX: support drawing vertical text via gfx_setfont flag 'z' (does not work with system/bitmapped font)

+ JSFX: allow Webdings/Wingdings for gfx_setfont() use on Windows [twtr=1376339905408815106]

+ macOS: add prefs/general/advanced option for window fullscreen button to activate fullscreen rather than OS fullscreen

+ macOS: add prefs/general/advanced options for rounded buttons and big sur listview margins

+ macOS: disable macOS 10.12+ Window tabbing menu items

+ Media item channel mapper: control/command-click a mapping to set exclusively for that channel

+ Media items: add action to set channel mapping for selected media items

+ MIDI: output multiple note-offs for the same channel/pitch if there are multiple sequential note-ons

+ Project time offset: preserve maximum resolution when setting project time offset to edit cursor position [p=2428360]

+ ReaScript: support drawing vertical text via gfx_setfont flag 'z' (does not work with system/bitmapped font)

+ ReaScript: allow Webdings/Wingdings for gfx_setfont() use on Windows [twtr=1376339905408815106]

+ ReaScript: correct documentation for Set/GetMasterTrackVisibility

+ ReaTune: fix potential crash with certain parameter settings and UI open [t=251553]

+ Render: resolve $samplerate wildcard correctly when mixing at one sample rate but rendering to another [t=249713]

+ TCP FX List: fix multi-column scroll extent issue [t=245850]

+ Timeline: truncate seconds and samples display rather than rounding, for consistency with H:M:S and H:M:S:F display

+ Timeline: when displaying minutes:seconds and a project start offset exists, center ruler major tick marks on project time zero rather than the start of the timeline

+ Track manager: display track channel count

+ VST: add I/O menu item in FX pin connector dialog to increase host channel count to match plugin

+ VST: add option in pin connector dialog I/O menu to pass through or zero out unused output channels

+ VST: cache VST3 parameter/bus/latency information for improved performance with yabridge and plug-ins

+ VST: improve behavior when VST3 plug-ins call restartComponent(kReloadComponent)

+ VST: more flexible support for passing MIDI program change messages to VST3 [t=251104]

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