Internet Society Beyond the Net Funding Programme:

http://www.internetsociety.org/what-we-do/grants-awards/beyond-net-funding-programme

We could focus on something specific. Like internet to homeless encampments.

From the site:

We first started funding community Internet projects back in 2005, and we’ve supported over 180 projects since then. These projects are planned and brought to life by our members. 

We’ve helped fund projects covering everything from education and policy-making, from teaching technical skills to at-risk young people, to helping local engineers deploy leading technology. 

Examples of successful projects include: