I have the insecure older generation SimpliSafe that I recently learned broadcasts the pin every time it's entered via unencrypted messages and I'm planning on buying a new system. They don't have any backward compatibility between sensors and the new system or offer any sort of discount to upgrade, so I'm strongly considering switching to a different system (e.g., Nest Secure), which is somewhat tempting without the $300/year in monthly fees (unless I pay for Brinks monitoring).

However, there are two features of the current system I wonder if its possible to replicate somehow (using other products):

1. Magnetic type door sensors that can send silent emails or texts. (E.g., put on liquor cabinet and check teenage babysitter isn't helping herself, etc.)
2. A smoke alarm that can automatically notify my local fire department (Nest Protect) doesn't seem to do this or have options to do this)

For the silent email/text alerts, I don't mind setting stuff up myself or needing to run a server or write a python/other script if there's something with an API (or relatively easy to use arduino stuff for this). That said, would much prefer something already self-enclosed and battery-powered (versus breadboard or having to get a 3-d printer to make the casing).

(I wouldn't try setting up my own things for auto-calling fire department -- don't feel comfortable with an automated system to call them; would be hard to test without harassing them or knowing how they answer their phones and I believe 911 works differently than ordinary phone numbers.)