I like this one the most. "
Nigerian digital money wallet Bitsoko will use funding from the Bill & Melinda Gates Foundation to support digital financial literacy. Bitsoko’s Android app uses blockchain technology to lower transaction costs. The company is encouraging Bitcoin adoption in Kenya by setting up local businesses to accept bitcoin payments. "
I have been following the progress being made by the Bill & Melinda Gates Foundation to support digital financial literacy and I am glad this project was
identified.
http://vumi.org/ also sounds like a good project and you can get it here --->
https://github.com/praekelt/vumi/