ChatWhale - Gamify your customer communication and loyalty rewards
SendX.io - SendX (https://sendx.io) provides remarketing and retargeting tools for web businesses. You can use popups, landing pages, email, web push notification, automation workflows and FB / Google retargeting to drive more revenue.
Chatra Messenger - Enjoy the benefits of live chat even when you’re offline.
Nova Inbox - Personalize emails in seconds, right from your inbox
LaunchKit - Open Source - A popular suite of developer tools, now 100% open source.
Brevo - Innovative online Email Marketing solution to manage your contacts, create & send your newsletters and track your results. More than 80 000 clients. Best prices and attractive features.