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

v6.28

+ Accessibility: improve behavior of spacebar in actions list and managers with spacebar-navigation option set

+ API: ListView_GetItemText() supports owner-data listviews on non-win32 [t=241880]

+ FX: allow JS/Channel Mapper-Downmixer to be renamed [p=2431465]

+ FX: fix mapping track channels above 32 using the FX pin connector dialog [t=252332]

+ FX: avoid zombie bridge processes in various corner cases

+ macOS: improve behavior when scanning VST plug-ins that present modal UI

+ Marker/region manager: fix undesired periodic marker deselection

+ Marker/region manager: improve selection behavior when removing markers/regions

+ Marker/region manager: move edit cursor when seeking during playback

+ Media explorer: fix tempo sync when inserting media on new track [p=2433091]

+ Media explorer: improve readability of embedded cues

+ MIDI: enforce some reasonable maximum MIDI message and per-block list sizes (128MB and 256MB initially)

+ MIDI: fix unlikely but possible incorrect handling of PDC+MIDI

+ Razor edit: properly handle moving and pasting areas that contain MIDI items when project timebase is set to "time" [t=252436]

+ Razor edit: restrict selected area to 0.001 rather than 0.01 seconds

+ Render: fix display of render vu meters with panned mono media [t=252026]

+ Track manager: fix keyboard navigation quirks on macOS with mirrored selection enabled

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