Screencastify might be a bit more popular than Kexi. We know about 1 link to it since March 2021 and only 1 link to Kexi. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.
LibreOffice Base (which I tried several years ago) and KEXI (which I haven't tried) are some free/open-source alternatives. They may help get you started in what you're looking to build. Source: over 2 years ago
Screencastify is another one which is an extension but is avaliable in a lot of plaltaforms screencastify.com. Source: over 2 years ago
Microsoft Office Access - Access is now much more than a way to create desktop databases. It’s an easy-to-use tool for quickly creating browser-based database applications.
Loom - Loom is a screen recording extension for Chrome that gives people the ability to create and share media. Create your own videos using your camera, screen view, and audio. Read more about Loom.
LibreOffice - Base - Base, database, database frontend, LibreOffice, ODF, Open Standards, SQL, ODBC
Snagit - Screen Capture Software for Windows and Mac
My Visual Database - Using My Visual Database, you can create databases for invoicing, inventory, CRM, or any specific purpose.
Camtasia - Camtasia 2018 makes it easy to record your screen and create polished, professional-looking videos.