The best alternatives to Bootsketch are InVision, Anima App, and Zeplin. If these 3 options don't work for you, we've listed a few more alternatives below.
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Agree.com— Free e-signature for everyone with invoicing and payments!
The only Visual Collaboration platform built for enterprise-wide collaboration. Freehand by InVision is exclusively designed to help all teams unlock productivity, insight, and connection.
Save time on preparing design assets and specs and let Avocode do it for you. Just import any design file and invite developers to take everything they need for a Web, iOS, Android, or React Native app.
Symbol Organizer is a Sketch plugin which organizes your symbols page alphabetically (including layer list) and into groupings determined by your symbol names.