ZXing.Net is a port of ZXing, an open-source, multi-format 1D/2D barcode image processing library originally implemented in Java.
It has been ported by hand with a lot of optimizations and improvements.
It is compatible with .Net 2.0, .Net 3.5, .Net 4.0, .Net 4.5, .Net 4.6, .Net 4.7, .Net 4.8,...
Trading and algorithmic trading platform (stock markets, forex, bitcoins and options). .NET wrapper for InteractiveBrokers, GainCapital, IQFeed, Oanda, FIX/FAST, QUIK etc. More info on web site https://stocksharp.com/products/api/
MsgKit is a 100% managed C# .NET library (no PINVOKE or whatsoever) which may be used for the creation and parsing (in the near future) of messages (E-Mail, Appointments, Journals and Stickey Notes) that are Outlook compatible
Build powerful e-commerce client applications such as websites, smartphone apps, using the Magelia WebStore e-commerce software. With this Nuget package, ease the project set-up, and start developing your e-commerce store in minutes.
For usage samples: http://code.google.com/p/libphonenumber/
A set of e-mail components which implement IMAP, SMTP, POP3, Exchange Web Services, SSL/TLS support, parsing and building MIME and S/MIME messages, Outlook .MSG and .PST conversions, mail merge over database, OAuth 2.0, DNS MX lookup, e-mail address validation, parsing winmail.dat, bounced messages...