TweetDeck allows for a more convenient Twitter experience by letting you view multiple timelines in one interface and schedule tweets.
IFTTT helps you do more with the services you love. Connect your different social media platforms together in more ways imaginable.
TWEET FOR A TRACK
Trade a free download for a tweet
Sendible allows artists to engage with customers across multiple different channels through social mention monitoring.
Simply Measured is a social analytics tool that gets social media insights across different channels.
Later (formerly Latergramme) is the simple way to plan your posts for Instagram.
Crowdfire is a great tool to grow your Twitter and Instagram followings.
Buffer is a social media tool for scheduling posts on different social media channels.