A .NET thread-safe in-memory cache that provides expiration for cache items.

A simple application showing how to set expiration date (trial version) in a web application using ASP.NET

A thread-safe, in-memory key-value store with optional expiration and callback support.

A validation module that checks for keys, stores them, expires them after an amount of time

A concurrent dictionary that helps you efficiently manage keys with expiration times

A .NET Core 2.x project that lists certificates and checks expiration in the current user and local machine store