The best alternatives to Blackbox are Give Back Box, Shyp, and wynd. If these 3 options don't work for you, we've listed a few more alternatives below.
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MARQ dramatically reduces return claims and improves customer satisfaction. Using MARQ, online retailers can effortlessly record packing process and send timestamped videos to their customers.
Cards of Personality is a responsive online multiplayer web game that mimics the live social experience of playing Cards Against Humanity on a tabletop with friends. Additionally, the game allows users to make personalized decks and cards to play with.