Shhh - Keep secrets out of emails or chat logs, share them using secure links with passphrase and expiration dates. MIT Python Spectrum 2 - Spectrum 2 is an open source instant messaging transport. It allows users to chat together even when they are using different IM networks. (Source Code...
Time Limited Function--As long as the guest is expected to check out, the guest card will be inoperative automatically. The Record Function--the lock records the latest 200 times unlocking information. ThThe Function of Avoiding Disturbing--after the door is locked from the inside, ...