The site contains several small web apps.

bitcoin Up to date Bitcoin and Ethereum data.
convert Conversions.
cube Learn how to solve a Rubik's Cube.
favicon Replace favicon of bookmark.
firescan Scan your local firewall.
forward Jump to page, hide source.
games Game prototypes.
keirsey Dutch personality test.
knowledge Knowledge base about science, technology and entertainment.
loadtest Site stress testing.
maps Google maps with some extra's.
multiload Create a multiload URL.
reload Reload a page every 5 minutes.
separator Separator for use in Chrome bookmark folders.
ultralink Create link that keeps working if a destination stops working.
whoami Your IP and related info.
whois Whois data, DNS data, IP, GEO, ....

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