Open Source Applications Foundation

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Type 501(c)(6) organization
Area served
Method Promotion, protection, and standardization of Linux by providing unified resources and services needed for open source to successfully compete with closed platforms.
"OSAF" redirects here. For other uses, see OSAF (disambiguation).

The Open Source Applications Foundation (OSAF) was a non-profit organization founded in 2002 by Mitch Kapor whose purpose was to effect widespread adoption of free software/open-source software.

OSAF Mission[edit]

The mission of the OSAF was stated this way:

  1. Create and gain wide adoption of open source application software of uncompromising quality.
  2. Carry forward the vision of Vannevar Bush, Doug Engelbart, and Ted Nelson of the computer as a medium for communication, collaboration, and coordination.
  3. Design a new application to manage personal information including notes, mail, tasks, appointments and events, contacts, documents and other personal resources.
  4. Enable sharing with colleagues, friends and family. In particular, meet the unique and under-served needs of small group collaboration.
  5. Demonstrate that open source software *can* serve a general audience in the consumer market.
  6. Offer a choice of platforms and full interoperability amongst Windows, Macintosh, and Linux versions.
  7. Leverage our resources by using an open source model of development.


Founded in 2002 by Mitch Kapor to effect widespread adoption of free software/open-source software.

In January 2008 Mitch Kapor ended his involvement with the Foundation, stepped down from the Board, and provided transitional funding. In the restructure that followed, Katie Capps Parlante became acting President. There were at one time eleven employees with Sheila Mooney as President.


Chandler is a note-to-self organiser (personal information management (PIM) software) designed for personal and small-group task management and calendaring. Chandler Desktop and Chandler Hub (an instance of Chandler Server (Cosmo)) are complementary. Chandler is written in Python and runs on Linux, OS X and Windows.

Cosmo architecture diagrams present a Java web application executing within a Java EE servlet container or application server, providing Morse Code, CalDAV, Webcal and Atom services to a variety of clients.

From 2005, OSAF participated in Google's Summer of Code programs by allowing several interns to work on OSAF projects during the summer.

OSAF Funds[edit]

The following is a list of some major monetary contributors to OSAF, followed by the amounts in United States dollars.

See also[edit]

External links[edit]