For hosting common files it's ok. Also it is on Android too do, great to transfer files between your Windows and your phone. But if you want better security you have to subscribe a monthly offer.
Pokemon Go IV Calculator - Pokemon Go IV Calculator is a tool which helps you calculate the individual Stamina, Attack and...
Dropbox - Online Sync and File Sharing
Airtable Pokédex - An 8th-gen Pokédex in Airtable for you to customize and use.
Google Drive - Access and sync your files anywhere
Pokemon Go Database - Extensive toolset for Pokémon Go trainers.
Mega - Secure File Storage and collaboration