Tagger is a personal javascript project made with electron, and started with electron-boilerplate. It's purpose is to search files in your computer by tags that you add to them.
You can see screenshots here: http://ramirofages.blogspot.com.ar/2016/08/tagger.html
And download the app for windows here: https://mega.nz/#!nM0xSKSJ!JhtjvX6Eoe4ihF1yEYQVJ4YDEHz29UBY9FcNPUiSYAM