Yojimbo makes keeping all the small (or even large) bits of information that pour in every day organized and accessible. It’s so simple, there is no learning curve. Yojimbo’s mechanism for collecting, storing and finding information is so natural and
MediaWiki is a free software wiki package originally written for Wikipedia. It is now used by several other projects of the non-profit Wikimedia Foundation and by many other wikis, including this website, the home of MediaWiki.
some of the best free apps and online services on the net for web developers. great list. recommended. from Steven York's blog about making money online, blogging, marketing, seo and web development