Not to sound like a Luddite, but sometimes the old ways are best. When it comes to Web browsers, that's not very often, but knowing your way around a text-mode browser like w3m does come in handy from time to time.
Sugar Labs announced this week a major update of Sugar on a Stick, a Linux-based computing environment for education that runs from a flash storage device. The new version brings an improved user interface and several new applications, including an integrated ebook reader.
Mozilla Messaging announced on Tuesday the official release of¬†Thunderbird 3, a major update of the popular open source mail client. The new version brings great improvements, including an impressive new search system and support for tabs in the user interface.