SquarpPyramid has a Randomizer midi effect. Randomly changes notes parameters of velocity, pitch, octave or length. You can set the upper and lower limits for how far the randomised effect goes (doesn’t have to be equal), and you can also set the probability % that the effect will happen.
I was looking at that last few days. I didnt know it could do probability. I thought just chord progression stuff.
Are you you looking for parameter randomization to generate patches or trigger propability?
The Blokas Midihub can randomize any midi cc (with min/max range), but IMHO parameter randomization requires a well thought algorithm, otherwise it will result mostly in unusable noises.
Not sure what’s good in hardware, though…
Trigger propability on the otherhand is found in a few seqs and drum machines, Beatstep Pro, Keystep Pro, Pyramid, Squid, Drumbrute Impact for example…
It was after watching an old BBC Eno interview where he said he uses it all the time(probability) to change different parameters so that nothing is the same but is kept none muddy by sticking within set parameters. As you say a well though algorithm i guess that you have control over. I know he uses a computer here but if a small hardware device could do this simply then all the better.
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IMO we get the most freedom and control over probability in the modular world, which can be hardware … but will not allways be in a small box.
The creative combination of LFOs, envelopes, sequencers, quantizers, and let’s call them “sources of uncertainty” can deliver very interesting fluctuations and evolvements.
Ever tried a Krell-patch?
Unfortunately im all synths and not into modular. But yes thats the sort of thing i’m looking to do.
Maybe you might consider a very small system only consisting of the modules needed to generate events, which are then controlling the other gear?
From my experience I can tell that most “standard” synths or “standard” sequencers just don’t have the flexibility, which is needed to get into generative music. There is almost always a lack of options, which allow a kind of “feedback” loop, which is driving and changing the events on and on … if this makes any sense.
AFAIK some guys here have experience with using midi feedback on the OT. The Pyramid should support this also, but I have never done this myself.
A pair of linked standard sequencers could also create interesting patterns over time (this would be sequencing a sequencer).
EDIT: For parameter fluctuations the Pyramid allows that midi-LFOs and midi-CC tracks are mixed. If this is used wisely, it can create pretty inertesting ever changing pattern. This I have tried with success. I think the same is possible with midi-tracks of the OT as well. If we additionally use tracks with different lengths or speed, we should get quite a controllable modulation mayhem 
Thanks. Thats interesting ideas. I have written to Conductive Labs about this and their NDLR. Which i believe has programmable motif capablities. Its simple enough for my limited programmable capabilities. I think it can do drum randomness as well which would be a bonus.
The Pyramid looks interesting. Maybe another option as you suggest. 
The NDLR is pretty nice. Though after using it once/twice I have a feeling this has kind of a learning curve of an OT. All the parameters on screen – at least it shows the parameters animation/modulation – that helps. Most of the time I had a hard time setting the LFO to my likes.
Interesting Pete. I can understand that.
This seems like a great happy accident machine to me
And Gaz Williams looked at it last week
That looks super cool and a dedicated random button too. These crowdfunding project how long do they take before the item is released?
It’s already out I think
It’s says coming soon on the website, sign up to the mailing list
I’m interested in getting one myself
Cheers just signed up. I’ve asked him for more details on the random generator as well.
I sort of agree/disagree with you here… it totally can get into the realm of unusable noises but then depending on your tastes maybe that’s what you need! But for more traditional uses I do think it can do a good job but you need to be quite deliberate about what midi CCs you are modulating and then also about picking ranges that are sensible to parameters that your operating with…
I’ve still to find time to dig into mine so I don’t know if it is possible to map a CC LFO to a midi note number and then use a pitch quantiser… that could be quite interesting to explore once I find some time.
There are things like TB Midi Stuff on iOS where you could build a control surface that would randomise any midi aspect of a synth, I remember @rotallytuined built quite a nice randomiser for the Nord Drum 2 but can’t find the thread here… Maybe the Nord forum?
Just a thought if you have an iPad 
Edit for link
https://www.norduserforum.com/nord-drum-forum-f27/ios-randomiser-editor-for-nord-drum-2-t11364.html
I use a Pyramid for almost all my sequencing, all my music is generative. It’s a lot more intuitive than it looks, but there’s a lot of finger-stretching trying to reach alt-menus. Once you get into the workflow, it’s really fast.