The best alternatives to Webframe are AppLaunchpad, Muzli, and Design Hunt. If these 3 options don't work for you, we've listed a few more alternatives below.
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Haggle — A CTA buyers want to click, when they aren't ready to demo
AppLaunchpad is an android & ios screenshot generator to create customized App Store & Google Play images for your app & export them in resolutions Apple & Google require.
A set of web-based design tools used ...
Muzli is a new-tab browser plugin that instantly delivers relevant design stories and inspiration.
Muzli instantly delivers cutting-edge design projects and news each time a new tab is open in your browser.