An IRC bot written in AWK that's mostly run ##economics on irc.freenode.org since early 2009, but also now in ##psychology. It gives a +v to whoever is over the median on thanks received per amount said, and the number of different nicks thanked by.
basE91 is an advanced method for encoding binary data as ASCII characters. It is similar to UUencode or base64, but is more efficient. The overhead produced by basE91 depends on the input data. It amounts at most to 23% and can range down to 14%.