I think this one deserves its place on Gadget Master, maybe as part of a wider IoT or home automation project... It's the AppSheet app. Part of Google Cloud, it's described as "a no-code app ...

Google today announced a new feature for its AppSheet automation service that will allow developers on its no-code platform to create custom apps and automation that can interact directly with Gmail.

In a nutshell, AppSheet allows developers without extensive programming knowledge to collect rich data (e.g., geographic data and indoor location data), imbue apps with AI, or automatically move data.

As for its low-code service AppSheet, the Google Cloud team is now making it easier to bring in data from third-party applications thanks to the general availability to Apigee as a data source for ...