Charity Engine - Charity Engine takes enormous, expensive computing jobs and chops them into 1000s of small pieces...
Donorhut - Donorhut offers cloud fundraising software for charities and non-profits of any size.
BOINC - BOINC is an open-source software platform for computing using volunteered resources
Txt2Give - Txt2Give helps churches, non-profits, schools, alumni associations, and political campaigns receive donations with text messages.
Apache Mesos - Apache Mesos abstracts resources away from machines, enabling fault-tolerant and elastic distributed systems to easily be built and run effectively.
Little Green Light - Illuminating Data. Advancing Nonprofits.