Flutter: free lo-fi plugin by Caelum Audio
Free wow and flutter tape wobble plugin.
Opens Caelum Audio's own site.

Put SCRAMBLE. on your lo-fi beats
One button rolls a new FX chain: glitch, stutter, tape stop, chops, reverb, delay and vocal tune. There are 43,252,003,274,489,856,000 possible chains, the same count as the positions of a 3x3 cube. Save 10,000 presets a day and 1% of them would take 118 billion years, over 8x the age of the universe.
Not just loops: drum buses, 808s and bass, hats, vocals and the master bus. 3,000+ downloads so far.
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Flutter FAQ
Is Flutter free?
Yes. Flutter is a free lo-fi plugin from Caelum Audio. The button on this page goes straight to the maker's own download page.
What is Flutter good for?
Free wow and flutter tape wobble plugin.
What are the best alternatives to Flutter?
Other free lo-fi plugins worth trying are Vinyl, TAL-Bitcrusher and CamelCrusher. See the full ranked list of free lo-fi plugins.