What are TopCoder member's tools?

As TopCoder gives to it's members many informations about all contestants in data feeds, some members used this to create their own tools and let all other competitors to use them. So far, all there tools are websites.
Here comes list of these tools:

Tool name with link	Author	TC Forums link
Random statistics	jmzero	Forums post
TC Utilities	MB__	Forums post
TopCoder Exchange game	sql_lall	Forums post
Division summary	felix_halim	Forums post
Division summary	dskloet	Forums post
Compare rating graphs	dskloet	Forums post
Micromatch scores	Petr	Forums post
Impressive rating gains	Krzysan	Forums post