Time to clean out the house and garage and do some spring cleaning by getting rid of all that stuff you no longer need. Sure, there’s eBay and Craigslist. But  a growing number of apps are available to serve as alternatives to those older online marketplaces. Mercari is one of the most popular online marketplaces outside the U.S. and starting to build its service stateside. The app is free for Apple and Android. It links buyers and sellers. Categories include everything from antiques to sports gear to electronics. Listings can be shared via social channels. And Mercari doesn’t charge a listing fee or take a commission. Depop bills itself as…