Save From Web - Instagram story, photo, and video downloader - Free, online, and one-click download.
Thunkable - Powerful but easy to use, drag-and-drop mobile app builder.
Instander - Instander is a free modification of the Instagram app for android. It contains many improvements over the original application. Instander has a lot of different improvements that give the user an edge over other Instagram users.
MIT App Inventor - App Inventor is a cloud-based tool, which means you can create apps for phones or tablets right in your web browser.
InstaDp.info - With InstaDp you can view instagram profile picture for free in full(original) size and download it right away.
Bubble.io - Building tech is slow and expensive. Bubble is the most powerful no-code platform for creating digital products.