Top 20 NuGet fixed-length Packages

Reads and writes CSV, fixed-length and other flat file formats with a focus on schema definition, configuration and speed. Supports mapping directly between files and classes.
Bulk insert from flat files (csv or fixed length) to sql server table, using datareader to maximize performance and memory usage.
Read flat files using the ADO.NET IDataReader interface. This project has been retired and replaced with FlatFiles, which is easier to use, supports more file formats and is extremely fast!
Power tools for data stream processing in .NET.
Use FlatFiles to generate MVC ActionResults.
A small, short and direct library to serialize and parse fixed length content.