Chirr App splits your text into tweet-sized chunks and posts it as a Twitter thread, so you don’t have to.

Story Slicer is an iOS app for taking long videos and cutting them into segments for posting on your Instagram, Facebook, WhatsApp, or VK stories. Take a video from your camera roll and slice it into segments quickly and easily, no need to use a bulky video editor to make your cuts. Post a long video with seamless transitions. No watermarks or ads!

Jetpack is the fastest way to manage and copy hashtags for Instagram. It allows Instagrammers to copy a perfectly formatted set of hashtags to their clipboard with one tap instead of fiddling with iOS' clumsy tap-hold-select-drag-copy gestures. Jetpack aims to replace the scrappy Notes nearly every Instagrammer today uses to manage their hashtags.

Addme is my social platform 'business card', it's awesome.