- 4/10 11:02am ET: Added GSI-OpenSSH and MyProxy. Clarified Globus includes GridFTP and GRAM.
- 4/10 12:17pm ET: Added specific links for MyProxy and GSI-OpenSSH
- 4/11 7:38am ET: Added HTCondor, changed to Google Spreadsheet
- 4/11 8:08am ET: Added Perfsonar
- 4/15 4:12pm ET: Added XSEDE User Portal (4:58pm replaced text with URL)
- 4/23 3:06pm ET: Added FutureGrid
- 4/25 8:38pm ET: Added HUBzero