The best alternatives to Roundup are Captain Share, Voblet, and Repo Hunt. If these 3 options don't work for you, we've listed a few more alternatives below.
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Postman Recorder by DevTools— Export Postman APIs from browser
** New feature : Bookmarking for Github **
Latest voblet update enables bookmarking feature for github. Bookmark your favorite repositories and organize them with custom tags.
Maool is an easy-to-use email editor that helps marketers & business owners in creating emails for their marketing campaigns. It has all features to create stunning emails. Customize email to match with your brand and export to your favorite ESP with a click.