What are some alternatives?
When comparing Loom and GIPHY Says, you can also consider the following products
Camtasia - Camtasia 2018 makes it easy to record your screen and create polished, professional-looking videos.
Guggy - Make your friends laugh with personalized GIFs
AWS Snowball - AWS Snowball is a petabyte-scale data transport service that uses secure devices to transfer large amounts of data into and out of the AWS cloud.
GifLab - The easiest way to create GIFs on your iOS device
CloudApp - CloudApp allows you to share images, links, music, videos and files. Here is how it works: choose a file, drag it to the menubar and let us take care of the rest.
GIPHY GIF maker - Create animated GIFs from videos (by Giphy)