Steam Connection (Steam Auto Login or Steam Account Manager) is an application for quickly changing (switching) Steam accounts.

A chrome web extension to ease logging into multiple steam accounts.

OWL - A multipurpose tool for managing Steam accounts. Originally VACTrak now rewritten in C# (old: https://github.com/FerrisSandCanyon/jVACTrak)

simple steam account switcher that lives in your taskbar

A native, fast and more reliable C# approach to Steam Account Switcher.

Steam Account Switcher 2

This Code written in c will switch between steam accounts instantly

Easily switch between Steam accounts. No password or Steam Guard code needed.