saguiitay 

WebDAVClient is a strongly-typed, async, C# client for WebDAV.

DropboxRestAPI is a C# client for Dropbox service through its RESTful API.

A C# library to estimate the number of unique elements in a set, in a quick and memory-efficient manner, based on the work of Flajolet et al. and Huele et al. Signed version.

OneDriveRestAPIt is a C# client for the Microsoft OneDrive service through its RESTful API. Microsoft has released the Live SDK, a set of C# libraries for interacting with OneDrive, which is hard to extend and debug, as it relies on async HttpWebRequest/HttpWebResponse.

CopyRestAPI is a C# client for the Copy cloud storage service through its RESTful API.

A C# library to estimate the number of unique elements in a set, in a quick and memory-efficient manner, based on the work of Flajolet et al. and Huele et al. Signed version.

HyperLogLog.net is a C# implementation of HyperLogLog - a near-optimal cardinality estimation algorithm.