The most fundamental change is support for darknet operation.
This parallel development of different clients by different groups remains the modus operandi of gnutella development today.
The transport layer created for the darknet mode allows communication over restricted routes as commonly found in mesh networks, as long as these connections follow a small-world structure.
Freenet 0.7.5, released on 12 June 2009, offers a variety of improvements over 0.7.
was developed by Justin Frankel and Tom Pepper of Nullsoft in early 2000, soon after the company's acquisition by AOL.
On March 14, the program was made available for download on Nullsoft's servers.