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.
Vimcal - Vimcal is the world’s fastest calendar, beautifully designed for people who work remotely and live in their calendars.
Nova Inbox - Personalize emails in seconds, right from your inbox
Clean Google Calendar - Makes Google Calendar look nicer & launches as a desktop app
Mailblast - Email marketing on a budget using Amazon SES
Plan - Plan is a better way to organize.