Top 20 NuGet fixed 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.
Open Source library for automatic formatted file read/write operations www.filehelpers.net
A mobile-first CSS framework that supports responsive mobile first and fixed desktop layouts.
Fixed Width Parser Writer for reading and writing flat data (files) with defined field position in line or file (relative height).
A .NET port of BeanIO which perfectly fits into the .NET world.
FlatFile is fast-working open-source library for reading/writing plain files
FluentFiles is fast-working open-source library for reading/writing plain files
FlatFile.FixedLength is fast-working open-source library for reading/writing fixed-length plain files
Class library for working with common data formats and files and mapping them to and from C# objects.
Readers and writers for CSV and fixed-length file formats. Supports both synchronous and asynchronous operation, data annotations, and wicked fast object serialization.
Core library for FlatFile.[name].Attributes assemblies
FluentFiles.FixedLength is fast-working open-source library for reading/writing fixed-length plain files
Core library for FluentFiles.[name].Attributes assemblies
.Net Library to read from fixed width or delimiter separated file using strongly typed objects. Example: pipe delimited, csv, etc.
Core library for FlatFile assemblies
Class library with specialized collections to model graphs, queues, multi-value dictionaries and such.
Readers and writers for CSV and fixed-length file formats. Supports both synchronous and asynchronous operation, data annotations, and wicked fast object serialization.
Core library for FluentFiles assemblies
a simple C# project for reading and writing fixed-width files with headers and footers.
A string of fixed length.