Usablenet - Usablenet is a mobile and multi-channel technology solution.
Mambu - The leading alternative to cumbersome core banking systems, powering innovative banking and lending. Mambu is a cloud-native solution, delivered as a service, the driving force behind modern API-enabled ecosystems.
SDK.finance - Core banking and payment platform with 345+RESTful API. Best way to run software for banks, payments, and FinTech. Scale, Enterprise, Secure.
TEMENOS T24 - TEMENOS T24 is a smart banking software that offers tons of the facilities and functions for your core banking operations and monitors various transactions in the management software.
Xamarin - Create iOS, Android and Mac apps in C#
Finacle Online Banking - Pinnacle Financial Partners