Aspose.Tasks is a .NET project® management component that enables .NET applications to read, write and modify Microsoft Project® documents as well as MPX, MPP projects, MPD and XML formats. It also provides support for MS Project 98 - 2007 editions.
Aspose.Email for .NET is a .NET component for email programming within ASP.NET web applications, web services & Windows applications. It Supports Outlook PST, EML, MSG & MHT formats. It allows developers to work with SMTP, POP, FTP & Exchange server
ManageEngine Exchange Health Monitor tool monitors MS Exchange Server, as a desktop tool dashboard. It shows the resource utilization of the Exchange servers along with exhaustive information about the Mail Queue details of the Exchange Server.