Ethos Widgets by VPRHeli
This post/link has many widgets, one of which is a flight counter. There are also widgets for GPS, Vario, etc. https://github.com/vprheli/ETHOS-Lua
Ethos downloads
This link contains downloads for the latest Ethos version, as well as a download for the Ethos Suite for your computer which contains a transmitter simulator. You can select the transmitter you're interested in when starting Ethos Suite and try the Ethos environment out to see if you like it.https://github.com/FrSkyRC/ETHOS-Feedback-Community/releases
Tri-City R/C Modelers 