neosmart 

A C# lock replacement for async/await, supporting recursion/re-entrance and asynchronous waits. Handles async recursion correctly - note that Nito.AsyncEx does not!

A standards-compliant implementation of url-safe base64 encode/decode for .NET projects.

A Unicode and emoji text-processing library for .NET, supporting UTF-8, UTF-16, and UTF-32 on .NET 2.0+ and .NET Standard (Core/UWP), with emoji support! 🔥🌶️😁🎉

Easily and efficiently compare the contents of two Stream objects.

A simple but secure secrets manager library for .NET and .NET Core, with on-disk encrypted storage. Securely store passwords and private keys in a git-friendly, human-readable format, optimized for local development and secure remote deployment.

An SQLite-backed IDistributedCache cache implementation for ASP.NET Core. Fast, transparent, persistent caching.

A .NET/.NET Core port of the xxHash algorithm in 32- and 64-bits with both a standalone and streaming interface.

Core Hashing library used by the separate implementations. Supporting .NET 2.0, 3.0, 3.5, 4.0, 4.5, 4.6, 4.7, .NET Core, and UWP/UAP 10.

A library to generate URL previews, getting the title, thumbnail, and a short description. Get Amazon URL product previews.

A System.Threading.Thread implementation for UAP/UWP targets.

LinqPlus provides more LINQ awesomeness, with optimized LINQ methods for specific containers, tuple enumeration of dictionaries, functional LINQ extension methods, single function extensions for common patterns, and more.

A persistent object cache for your Windows 10 uwp and uap applications.

Format or print file sizes in a human-readable format, with support for both base 10 (e.g. kilobyte, megabyte, KB, MB) and base 2 (e.g. kibibyte, mebibyte, KiB, MiB) formats.

Set the Windows 10 task bar icon to a number or glyph with this package for UWP/UAP projects.

The CLI companion utility to NeoSmart SecureStore, for creating and managing secrets stores at the command line.

A collection of various containers and data structures for .NET Standard. Includes a real sorted list (NeoSmart.Collections.SortedList), a unique sorted list (NeoSmart.Collections.UniqueSortedList), and a publicly resizable array (NeoSmart.Collections.ResizableArray)

A very minimal .NET library for the PayPal NVP API, supporting .NET 2.0+ and ASP.NET Core.

Extension methods and helper classes specifically for the web. Includes a ScopedMutex, SafeLookup helpers for NameValueCollection, FormCollection, and Dictionary types, and dependency-free implementations of client-side signing for S3 and CloudFront. Email validation, DNS lookup, SEO redirection,... More information

An abstraction around various payment providers for .NET, currently with support for Stripe, PayPal, PayPal Credit Cards (merchant services), CoinBase, and ChargeBee. Supports subscriptions and one-off payments.

Interfaces for representing location data and a strongly-typed static enumeration of the world's countries with their abbreviations. ISO Abbreviation, country codes, UN abbreviations, and more.