Downloading ProDrops 1.11 from the developer's website was possible when we last checked. We cannot confirm if there is a free download of this software available. We recommend checking the downloaded files with any free antivirus. The actual developer of the free software is Overwolf Limited. ProDrops belongs to Games.
From the developer:
Collect trading cards of Esports players, streamers, and content creators for free by completing in-game challenges on your favorite supported games and watching live streams. Complete in-game challenges on your favorite games to earn cards of your favorite influencers. Complete your card collections & albums by trading cards with other ProDrops collectors‍. In the Prodrops community, you will meet collectors and trading partners.
You may want to check out more software, such as UHS Reader, OfflineList or Smart Mod Manager, which might be related to ProDrops.