OBS Studio - Free and open source software for video recording and live streaming for Mac, Windows and Linux.
Thunkable - Powerful but easy to use, drag-and-drop mobile app builder.
Snagit - Screen Capture Software for Windows and Mac
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.
ShareX - ShareX is a free and open source program that lets you capture or record any area of your screen...
Bubble.io - Building tech is slow and expensive. Bubble is the most powerful no-code platform for creating digital products.