Idle Master - Idle Master is an application that automatically idles your Steam games to extract all your available Steam Trading Cards. The application finds the games you have drops remaining in until all of your trading cards are in your inventory.

ARPAY - Buy gift cards at ar-pay.com, which allow you to access your favorite internet services: online games, e-wallets and console games, online shopping cards and many more!

ArchiSteamFarm - C# application with primary purpose of farming Steam cards from multiple accounts simultaneously.

G2A - Enjoy the vast offer of Steam, Origin, Uplay, Battle.net, GOG, PSN and XBOX CD-Keys at the most attractive prices on the market. Don’t overpay – buy cheap on G2A.COM!

Steam Database - This tool was made to give better insight into the applications that Steam has in its absolutely huge database.

Instant Gaming - Instant-Gaming.com - All your favourites games for Steam, Origin, Battle.net, Uplay and Indie games up to 70% off! Digital games, Instant delivery 24/7!