arivoir 

.Net Standard library containing extensions of System.IO

.Net Standard library containing extensions of System.Net.Http

.Net Standard OAuth2 library

.Net Standard Google authentication library for services like GoogleDrive, GooglePhotos and Youtube

.Net Standard Google Photos library

.Net Standard OAuth library

.Net Standard WebDav client

.Net Standard OneDrive library

.Net Standard DropBox library

.Net Standard Mega.co.nz library

.Net Standard YouTube library

.Net Standard Google Drive library

.Net Standard Twitter library

.Net Standard Instagram library

.Net Standard Flickr library

.Net Standard Box library

.Net Standard Facebook library (photos and albums)