Tornado is an open source version of the scalable, non-blocking web server and tools that power FriendFeed. The FriendFeed application is written using a web framework that looks a bit like web.py or Google's webapp, but with additional tools and optimizations to take advantage of the underlying non-blocking infrastructure.
SparkleShare is a syncing and collaboration tool that shines by its absence. it's designed to get out of your way, to make sharing documents and collaboration easier, and to make peers aware of what you are doing.
"See who's tracking you online
Lightbeam is a Firefox add-on that uses interactive visualizations to show you the first and third party sites you interact with on the Web. As you browse, Lightbeam reveals the full depth of the Web today, including parts that are not transparent to the average user."
This service allows you convert a Flash Video / FLV file (YouTube's videos,etc) to MPEG4 (AVI/MOV/MP4/MP3/3GP) file online. It is using a compressed domain transcoder technology (outline in Japanese). It converts FLV to MPEG4 faster and less lossy than a typical transcoder.
When you submit an url, it will download and convert to the video format. Then you can download the converted file.
FLV to MPEG4 Conveter engine is now OpenSource. You can download the source code via subversion: http://sourceforge.net/svn/?group_id=183657
ZMap is an open-source network scanner that enables researchers to easily perform Internet-wide network studies. With a single machine and a well provisioned network uplink, ZMap is capable of performing a complete scan of the IPv4 address space in under 45 minutes, approaching the theoretical limit of gigabit Ethernet.
ZMap can be used to study protocol adoption over time, monitor service availability, and help us better understand large systems distributed across the Internet.
"Lucid is a free, open source web desktop, or webOS that lets you:
Access your media, office documents, and other files anywhere
Stay up to date with Twitter, RSS feeds, and what's happening on the web
Create great web applications in ridiculously short amounts of time"
Now it's easier than ever to build a website. Publish content, share your documents, collaborate with friends or coworkers, create a place for your community!