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

v6.26

+ Actions: action to insert or extend MIDI item does not skip existing looped MIDI items [t=250900]

+ Arrange: prevent possible overdraw with selected track cursor bracket and blinking cursor [t=250398]

+ Dither: use prvhash for rng/tpdf generation (courtesy Aleksey Vaneev)

+ Edit cursor: display slightly subtler bracket on last selected track

+ Envelopes: fix editing automation item edge point using envelope point editor dialog [twtr=1367910774371401731]

+ Glue: actions glue within razor edit areas if they exist

+ Glue: default glue action splits items and glues only within time selection, if all selected items intersect the time selection

+ Glue: former default glue action is renamed "expanding to time selection if any", custom actions and scripts that use it are unaffected

+ JSFX: add output polarity setting for Liteon/nonlinear [t=251346]

+ JSFX: autoexpand soft knee fix from sstillwell

+ JSFX: update 1175 compressor and various others to fix overcompression, add deprecated blown capacitor mode to preserve old behavior

+ JSFX: add improved SRC gain correction mode for guitar/amp-model and guitar/amp-model-dual

+ macOS: add NSMicrophoneUsageDescription to improve audio input support on Big Sur

+ macOS: main window fullscreen button activates REAPER-native fullscreen rather than OS fullscreen

+ macOS: workaround Big Sur MIDISend() bug where 250 or more events at the same timestamp crashes

+ Media items: adjust snap offset when copying selected part of media item [p=2417743]

+ Media items: preserve relative snap offset when copying media items [p=2410077]

+ Metadata: support displaying multiple iXML or xmp metadata keys in media source properties dialog [t=250356]

+ Metadata: support embedding images when rendering FLAC files

+ MIDI: suppress unnecessary prompt on importing MIDI files [t=251349]

+ MIDI: fix issues when launching rename note action via enter key

+ MIDI: improve MIDI editor focus behavior when closing various text editing fields

+ Mute automation: fix potential hang with empty automation item [t=250949]

+ Razor edit: action to crossfade items at time selection acts on razor edits if they exist

+ Razor edit: add action to move nearest razor edit edge to edit cursor

+ Razor edit: add mouse modifiers to remove area from razor edit selection

+ Razor edit: auto-scroll vertically when editing razor edit top/bottom edge

+ Razor edit: fix stretching automation items across tempo changes when razor edit area does not match automation item length [p=2418894]

+ Razor edit: mouse modifer to split items at razor edit edges selects media items and removes the razor edit area

+ Razor edit: respect preference to update video playback position when editing audio items [p=2417843]

+ Razor edit: update display after running action to enclose media items [t=250589]

+ API: add ResolveRenderPattern, to resolve a wildcard pattern into a list of target filenames

+ ReaScript: update Track_GetPeakInfo()/Track_GetPeakHoldDB() to support master track RMS, update documentation

+ ReaSurround: update track channels only when increasing plugin speaker count, not when changing plugin input channel count or decreasing speaker count

+ ReaVerb: add new SRC-normalization mode which should be more consistent for some impulses and samplerate combinations [t=249454]

+ Region/Marker Manager: support exporting take markers, but not importing [t=250605]

+ Render dialog: add support for rendering razor edit areas

+ Video processors: do not warn when loading empty video processor preset [p=2411241]

+ Video processors: fix preset name preservation behavior

+ Video processors: make preset list consistent with other FX types (user presets first)

+ Video processors: support preset navigation API [t=249961]

+ VST: improve bridged plug-in floating window behavior on macOS

+ VST: improve floating window behavior of bridged VST plug-ins

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