RecurPost - RecurPost is a social media scheduler with repeating schedules. It allows you to schedule content on multiple social accounts from a single dashboard.
Robinhood - Free stock trading service.
Elevate - Elevate is an award-winning brain training tool designed to build communication and analytical skills.
StockTwits for Slack - Fun, real-time stock quotes in Slack
Later - Schedule and manage your Instagram posts
Trigger Finance - IFTTT for the stock market