Our Global Nomad travels around the world as part of his work and often comes across people and sites that qualify for our criteria.
Below are a few I've found in my research and work that I admire - particularly as they offer aspects to the theme of generosity that I think are particularly helpful. (I have checked out these links in Oct/2021, and culled out those that are dead and replaced some with new links.)
Maximum Generosity - speaker, counsellor, Brian Kluth, has much to say on giving and being a good steward of funds entrusted to you by God.
10 Common Fundraising Mistakes - Mistakes to avoid for maximum effectiveness in funding your ministry. This is useful for ministries that want to make sure they promote their work wisely and legally. This is a page on the site above, kluth.org.
All Nations College - this Christian school is especially focused on preparing people for missions work, and use practical methods to give experience in many original ways.More links to come as I focus on fresh research.