>> OSF typically receives about US$2000 a year in outright donations and sells commercial software support contracts[2] and does both hourly rate and fixed price “work-for-hire” consulting as shown on the OSF web site [0]

[0] http://veridicalsystems.com/blog/of-money-responsibility-and...

ALSO

>> In a typical year the OpenSSL project receives about US$2000 in donations.

[1] https://groups.google.com/d/msg/mailing.openssl.users/-P4T62...

Might have been in tweet as well but these were the only sources I could dig up ATM. Both were written by Steve Marquess.