Causal App - Causal replaces your spreadsheets and slide decks with a better way to perform calculations, visualise data, and communicate with numbers. Sign up for free.
Thunkable - Powerful but easy to use, drag-and-drop mobile app builder.
Sheety - Turn any Google sheet into an API instantly, for free. Power websites, apps, or whatever you like, all from a spreadsheet. Changes to your spreadsheet update your API in realtime. Neat
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.
VCA Business Process Management Software - VCA BPM is a reputable end-to-end process management suite that gives complete control to the business over a wide range of operations.
Bubble.io - Building tech is slow and expensive. Bubble is the most powerful no-code platform for creating digital products.