I've been using PostBuilder (used to be called gramspacer) for several months now and I use it almost every single work day. PostBuilder makes it super convenient for organizing and planning content for my Instagram pages and the founder is very responsive if you have questions or if there's ever an issue. I definitely recommend them!
Dubsmash - From silly lip-syncing to full featured video messaging 😜
Drake Shake - Shake to add Drake to any photo
Memecry - Memecry is an anybody app that allows you to make meme stories and animated GIFs in a simplest way...
PicMerger - Merge photos side by side, create beautiful photo collages, customize your content with built-in photo editing tools, and more
VemeMaker - Use the video meme maker to upload gifs and videos for overdubbing audio tracks.
Instagram Line Break - Simple clean line breaks for your Instagram captions