c# open-source

Quartz.NET

Quartz.NET is a port of very propular open source Java job scheduling framework,  Quartz  . This project owes very much to original Java project, it's father James House and the project contributors.

Quartz.NET is a pure .NET library written in C# which currently targets Framework version 1.1 and above. Quartz.NET is feature-wise equal to Quartz Java 1.6 excluding Java specifics. Quartz.NET is already running in production systems and has received good feedback. 

Go to http://quartznet.sourceforge.net/