This is a popular open-source project by Dave Kerr that includes both a functional desktop application and a C# API for programmatic GAC management.
A lightweight, portable version that requires no installation and allows quick searches by assembly name, version, or public key token. Download: Available through Softpedia . download gac manager
View which versions of an assembly are currently stored and safely uninstall specific ones. This is a popular open-source project by Dave
Use drag-and-drop or simple file pickers to add new strong-named assemblies to the cache. download gac manager
You can find the latest source code and releases on the official GAC Manager GitHub Repository .