Plaid in the UK - The easiest way for users to connect their banks to an app
Square Banking - Your payments, banking, and cash flow. Working as one.
Hack Club Bank - Non-profit bank account for high school hackathons
Plaid for iOS - The same Plaid API's, now optimized for iOS.
Cogni - People-driven digital banking app designed w/ you in mind.
Bendigo Banking App - Internet Banking. Designed for now.