"a collection of open source fonts" most of which are fucking fantastic

"a categorized list of online programming books available for free download"

Free stock trades if you maintain a $25k balance or execute 25 trades/month. Also has a bunch of Web 2.0/social features.

Electronic text, but not actual usable e-books.

"a universal e-reading platform compatible with all mobile devices where you can download thousands of free e-books, publish and share your own content, and create customized newspapers from RSS feeds and widgets"

"A free platform for reading ePub books online"

"a fresh, novel approach to web and systems monitoring"

"aims to provide a great way of doing distributed opensource code collaboration"

"a free and easy way to announce your dynamic IP changes to multiple services with a single update"

"massive resource list for all autodidacts"

Free, Simple Hosted Trac and Source Control