OSAF refers to Open Source Applications Foundation and also to Old Students Association of FAST-NU[1]
The Open Source Applications Foundation (OSAF) is a non-profit organization founded in 2002 by Mitch Kapor whose purpose is to effect widespread adoption of free software/open-source software. One significant project undertaken by OSAF was Chandler. As of July, 2006, twenty two people worked full-time, or mostly full-time, on Chandler along side 4 interns.
Since 2005, OSAF has participated in Google's Summer of Code programs by allowing several interns to work on OSAF's projects during the summer.
OSAF has two other projects under development: Cosmo, a CalDAV server written in Java, and Scooby, an Ajax calendar application that works with Cosmo or another CalDAV server. There are four full time staff combined on these two projects.
The following is a list of some major monetary contributors to OSAF, followed by the amounts in United States dollars.

- Mitch Kapor: 5 million USD
- Andrew W. Mellon Foundation: 98,000 USD
- Andrew W. Mellon Foundation: 1.5 million USD
- Common Solutions Group: 1.25 million USD
See also
OSAF is the true meaning of ORMESBY SCHOOL AGENT FEDIRATION..
a secret agent group of five teenagers to fight crime 'teachers' or in other words ' luganoe and Asam'. The group is lead by Team Leader 'Pail McCarthy' who is a dedicated member from the begining of the formation of the group.