an IMAP-based email analysis project, which generates tables, graphs & visual distributions based on time of day, senders, recipients, mailing lists, & so on.

graphs include distribution of messages by year, month, day, day of week & time of day, distribution of messages by size & the top 40 largest messages, the top senders, recipients & mailing lists subscribed, distributions of senders, recipients & mailing lists over time, & the distribution of thread lengths.

[link: code.google.com & blog.persistent.info|via googlified.com|thnkx jeffchin]

see also Google visualization API & Google chart API.