I'm working on an app for donations to well-known NGOs, it's early days so I'm still trying to network and validate concepts with end-users and potential partne

I'm working on an app for donations to well-known NGOs, it's early days so I'm still trying to network and validate concepts with end-users and potential partners. I have a background in business and design, so haven't started any development yet as I'm looking for a technical partner.