The Internet Archive
Nonprofit organisation established to preserve Web sites by taking regular "snapshots". The Wayback Machine provides links to older versions of a webpage.
Matt's Script Archive
Useful, free Perl scripts for many basic tasks
Online study resources for students.
The FreeBSD Project
Official home: the definitive resource for FreeBSD information. Descriptions, downloads, documents, community, developer resources, support.
Large, free, online information database. Visitors can browse through their eclectic collections catalog and contributors can host and share their unique collections.
A site where individuals, organizations, and governments can come together to solve some of the world's biggest technical challenges through the development of open code and open standards.
The Mail Archive
Huge searchable archive of email list content.