OBS Studio - Free and open source software for video recording and live streaming for Mac, Windows and Linux.
PanoramaCrop for Instagram - PanoramaCrop for Instagram is a free photography app that allows you to easily splits your wide photos so you can make the most out of the new Instagram’s multi-photo images, created and published by Muffin.
Snagit - Screen Capture Software for Windows and Mac
Cool Gram - $5 a month makes your IG officially cool.
ShareX - ShareX is a free and open source program that lets you capture or record any area of your screen...
King Camera - Cam 360 Selfie Camera, King Camera is one of best, a professional selfie camera app that takes beautiful selfies in seconds with effects filters.