AngelaSmith is one of awesome library created by James Chambers. This library is used to generate realistic test data. You can find more information about it from the following link. https://github.com/MisterJames/AngelaSmith As per documentation on the github, it is. AngelaSmith is a library you can use to generate realistic test data. It is composed of several property fillers that can populate commonly named properties through reflection using an internal database of values or randomly created data. You can override any of the fillers, give AngelaSmith hints on how to fill them, or easily extend the property fillers using extension methods or MEF. It’s an awesome realistic data generator library. You can generate object data as well list also. She can fill anything that you throw it to her.You can use it’s static methods to create objects for testing, design time data or seeding a database.