umbraco is an open source project with roots back to year 2000 even though it wasn’t released as open source until 2004. Prior to that it was founder Niels Hartvig’s home-grown weapon of choise for working as a freelancer.

Edit your own website. Instantly.

TypeRoom Lite is a free website editing tool
that allows you to edit a website in seconds.

GraphJam: Pop culture for people in cubicles.

What’s New in Edge Rails: Fixtures Just Got a Whole Lot Easier

Plans lets you put calendars on the web.