You can also try these related scripts:

• Bundle Helper Reborn - Marks owned/ignored/wishlisted games on several sites, and also adds a button to open the steam page for each game.
• Spacecat Simulator 2016 (steamgifts.com) - Makes the "You won a new gift" popup appear even if you haven't won anything
• Steamgifts One-Click Entry - This script adds "Enter" button on every giveaway, so you don't have to open a new page to enter it. I also adds vote all button, which votes for giveaways with more copies first.
• SteamGifts discussions enhanced - Automatically mark read discussions, show count of new comments since last read, show if post title changed, manually mark one post or all posts of user, sort discussions
• SteamGifts comment formatting - Adds buttons to help you with formatting your comments and managing pictures and emoticons.