Top 20 NuGet fixed Packages

Open Source library for automatic formatted file read/write operations www.filehelpers.net
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.
Fixed Width Parser Writer for reading and writing flat data (files) with defined field position in line or file (relative height).
A mobile-first CSS framework that supports responsive mobile first and fixed desktop layouts.
Generic collections for modelling graphs and ordered sets.
A .NET port of BeanIO which perfectly fits into the .NET world.
FluentFiles is fast-working open-source library for reading/writing plain files
FlatFile is fast-working open-source library for reading/writing plain files
FluentFiles.FixedLength is fast-working open-source library for reading/writing fixed-length plain files
Core library for FluentFiles.[name].Attributes assemblies
FlatFile.FixedLength is fast-working open-source library for reading/writing fixed-length plain files
Core library for FlatFile.[name].Attributes assemblies
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
.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
Readers and writers for CSV and fixed-length file formats. Supports both synchronous and asynchronous operation, data annotations, and wicked fast object serialization.
a simple C# project for reading and writing fixed-width files with headers and footers.
A string of fixed length.
Open Source library for automatic formatted file read/write operations www.filehelpers.net. Unofficial .NET Standard 2.0 / .NET Core port.