Sandpile.org and ChipDB.org

Christian Ludloff’s sandpile has existed for a while, yet I was talking to someone yesterday who never heard of it. Nice site for x86 information:

http://sandpile.org/

Similarly, Thomas’s ChipDB is another great source of information for various chips:

http://datasheets.chipdb.org/

http://www.chipdb.org/database.php