FreeFall is a free hybrid delay effect and pitch shifter VST Plugin.
Tention FireSide is a filter step delay with separate settings each stereo channel.
TAL-DUB-III is a free easy to use delay device VST plugin with some special features. Its no tape delay emulation and has its own sound. It has an alias free saturation stage, a non-linear 6dB low pass and a 3dB high pass filter that are included in the feedback path of the device.
T. Rex Delay, a free simple and intuitive tempo-synced delay VST effect plugin with an integrated filter unit.
Shuttle-Echo is a free VST delay device that focuses on inperfections in the repeats. Especially good for slap-back stuff & wild echo madness (the delay-time can be modulated).