Donate to the Open Source Initiative!

Make a donation to support the work of the Open Source Initiative.

If you pay taxes in the United States, note that the OSI is 501(c)(3) non-profit organization, and your donation is fully tax-deductible to the extent allowed by law.  Our tax ID number (TIN/EIN) is 91-2037395.

(You may also wish to consider joining the OSI as an individual member.)

Total Amount
every for
Your recurring contribution will be processed automatically. You can specify the number of installments, or you can leave the number of installments blank if you want to make an open-ended commitment. In either case, you can choose to cancel at any time. You will receive an email receipt for each recurring contribution.
Donor Information

The following name and address fields are not necessary to complete if you would prefer to keep this information private. Filling them out does assist us in communicating with you. If you would like to receive an official receipt for tax purposes, you need to provide us with this information.

We'd love to know, even if you don't want us to publicize your reasons.
Announcements (very low volume)
Everyone the OSI has had an email exchange with.
Members Discussion Email List
Targeted Donations
If you are contributing to support a specific OSI campaign, working group, incubator project, or initiative, pleae indicate that here. Your funds will be used to support that effort.
A list of current projects is available at