au, Free  

Audio plugin to transfer realtime audio over a network. [VST/AU]

64-bit bitscope and intersample clip indicator. [AU]

Network audio plug-in that can connect multiple tubePlug users via the Internet. [VST/AU]

Convolution plug-in that convolves the audio stream with a stored audio file loaded as an impulse response. [AU]

Bitcrusher with low and high-shelf EQ and a noise cross modulator included. [VST/AU]

Especially designed after some tilt EQs from the 1970s, allows you to adjust the audio material without changing the character of a sound to much. [VST/AU]

Analysis plug-in, uses its alarm feature to alert users of adverse conditions in their audio. [VST/AU/RTAS]

Uses non-bandlimited oscillators which can be transposed near to and beyond the Nyquist frequency, causing most of their spectra to be aliased back into audible non-harmonic frequencies. [VST/AU]

Modular extended MIDI filter and generator. [VST/AU/Standalone]

Plug-in which loads Modelonia presets and allows the user to tweak them with few but powerful controls. [VST/AU]

Sound editor for WAV, AIFF, AU files

Delay unit followed by a 2nd order lowpass filter with saturation. [VST/AU]

Hi-Pass filter and Lo-Pass filter featuring 'Anti Crush Technology' [VST/AU/RTAS]

Software playback sampler. [VST/AU]

Reverb. [VST/AU]