Starry - A touchscreen Wi-Fi router and radical Internet service
Wi-Fi Widget - See, test, and share your wifi without unlocking your iPhone
eero - Blanket your home in fast, reliable WiFi
yFi - macOS utility app to monitor your WiFi connection.
MIWIFI by Xiaomi - Wifi router beta with a twist: you build it yourself
Waflee - Provides an effortless way to connect to your Wi-Fi