ReaFIR features:

• FFT based dynamics processor (requires host plug-in delay compensation).
• Supports FFT sizes of 128-32768.
• Useful in/out frequency response display.
• Supports defining response curves both using any number of points, or freehand mouse.
• EQ - can be used as a linear phase mastering EQ, or as a super-effective surgical EQ.
• Compressor - can compress at a fixed ratio with a per-band threshold.
• Gate - can gate with per-band threshold.
• Subtract - can build noise profiles and subtract noise from the signal.

ReaFIR is part of the free ReaPlugs VST FX Suite.

General features of ReaPlugs:

• Support for Windows 98/ME/2K/XP/Vista, WINE.
• Fast, usable UIs with good metering.
• Low CPU and RAM use.
• Highly configurable.
• No copy protection.
• No installation required.
• Freely usable.