If you aren't great at drawing but want to be able to throw together a character design to inspire you, I can't recommend heromachine.com enough. It's flash based so you'll need to download something free from Adobe to run it, but it can really help get you started. Source: over 2 years ago

I recently bootstrapped a company and we wanted some nice looking default images for our users that didn't upload their own and we found some out there but not too many with the goal we were looking achieve — other than boringavatars.com (where this project gets its inspiration!). We didn't want to implement avatars creators like the ones where you can customize the exact look and feel, that seemed too... Source: 9 months ago

Makes sense. I concentrated on porting what existed in boringavatars.com first. There is definitely room to alter the algorithms that generate the images now, though. Source: over 1 year ago

I would first like to thank Boring Designers for their initial work on boringavatars.com. All I did was port what they did to other frameworks using Mitosis. Source: over 1 year ago

Boring Avatars - Generate Avatars for your users faster and easier if you are lazy like me. Source: almost 2 years ago