Keyhole!

PromoRepublic is a Social Media Content Builder and Posting Tool. It provides users with more than 100 000 ideas, templates, and visuals for stunning Facebook, Instagram, Twitter and LinkedIn posts.

Engage by Twitter is an app that helps creators grow, understand, and engage their audiences.

Your Blog to Twitter Easily with Tweeps. Schedule Tweets With Images from RSS Feeds.

Hashtag is an extensive hashtag research platform for analytics and tracking of hashtags, providing essential information and to improve your social media branding and intelligence.

To analyze how your brand performs on Facebook, Twitter and other social media and compare yourself with your competitors, there's an intuitive app called kurmily.io.

Analyzing Twitter's hidden networks for influence and recruitment.Track your friends close and your enemies closer.

Kred, measures influence within online communities connected by interest.

What the Trend does analytics of trending subjects like hashtag analytics

SocialCamp for Facebook & Twitter is a subscription-free social media management platform on Android with support for multiple accounts. Be the first to know which stories are viral, schedule posts, cross-post between accounts, and more.

Plan and approve your content marketing strategy – Streamline your community management.

Datasift partners with social networks and news providers to consolidate billions of social conversations into a single platform, providing you complete and compliant access to social data.

Gnip intends to make the ever-expanding universe of social media data available via a consistent and reliable architecture so the world can realize the full potential of this amazing stream of information.

Famous hashtags on instagram gathers the popular tags for you. Simply copy and paste in your posts.

With introduce you can learn lots of things about any Twitter user like;

Tagboard uses hashtags to search for and collect public social media within seconds of being posted to networks like Twitter and Facebook, just to name a few. Robust tools offer the power to select specific posts to feature on websites, in broadcast TV, and on large displays.