The best alternatives to Flat Icon Generator 2.0 are Logo Dust, Flat Icons, and Logo Foundry. If these 3 options don't work for you, we've listed a few more alternatives below.
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Agree.com— Free e-signature for everyone with invoicing and payments!
Never pay for icon sets or subscriptions again, this bundle with free lifetime updates has it all. ✔ All icons in AI, EPS, SVG, PDF, PNG & IconJar ✔ Low intro price (and 30% off for PH) ✔ Commercial license; Use in an unlimited number of commercial projects
Generate your app icons in seconds for iOS, watchOS, iMessage Apps, macOS and more with just a drag, a drop and a click! All of your icons are then exported into a folder, named by size and automatically converted to PNG ready for use.
IPsicon is a dead simple API to generate icons, avatars and qr codes for your website and apps. I need this for one of my projects so decided to open up to everyone. Hope this is useful.