Buffer is a software application for the web and mobile, designed to manage accounts in social networks, by providing the means for a user to schedule posts.

ootsuite is a platform for managing social media.

Social Scheduler is a social media marketing app.

Twibble.io is a 1-click-zero-setup RSS to Twitter scheduling with queued tweets, auto-retweets, auto-mentions, analytics, and more.

dlvr.it is a smart social media automation platform.

PromoRepublic is a social media marketing tool which helps freelancers, agencies, business create best social media content.

Sprout Social is a social media management, advocacy and analytics software for businesses.