Camelcamelcamel - Easily monitor Amazon product prices and get alerts when they drop.
Confluence - Confluence is content collaboration software that changes how modern teams work
Fetchee - Fetchee is a free price tracking wish list app that works with all online stores worldwide.
Slack - A messaging app for teams who see through the Earth!
Keepa - Price history charts and the option to be alerted on price drops for all Amazon sites.
Yammer - Yammer is a leading enterprise social network used by more than 200,000 companies worldwide, including 85% of the Fortune 500, to get work done smarter and faster. Sign Up Today.