SpamAssassin - Use this program to "Unspam" your mailbox(es).
ChatWhale - Gamify your customer communication and loyalty rewards
MailScanner - MailScanner is a open source email security system design for Linux-based email gateways.
Open Loyalty for Startups - Open source stack for building customer focused products
Rspamd - Rspamd is an advanced spam filtering system that allows evaluation of messages by a number of rules...
Reviews for iOS - Keep track of your App Store reviews