Talkus - Chat with your website users from Slack
ValentineCoin - ValentineCoin is a coin based on Ethereum blockchain, which users can use to send to their loved ones by engraving a message on it, which will stay forever in the blockchain.
Chatlio - When you have a business to run, your average instant messaging software just will not do. You need an internal presence upon which your entire team can collaborate on. Read more about Chatlio.
obliterate.me - Draw on Donald Trump
Intercom - Intercom is a customer relationship management and messaging tool for web businesses. Build relationships with users to create loyal customers.
HeartMail - Valentine’s day is approaching.