Identihub - Self-hosted Open Source brand & assets management software

Flowkit - Sketch library for user flows/content maps/annotations

Brandy - Keep brand assets in sync with your team and right at your fingertips for quick use.

Crystal: Sketch Mirror for Android - Crystal: Sketch Mirror for Android is an application that is designed for viewing your sketch designs in real-time, navigate prototypes and download content related to the sketches for offline viewing.

Bynder - Bynder is a cloud-based digital asset management solution for marketing professionals looking to simplify how they manage digital content via one central portal.

Figma Mirror - Figma Mirror is an application that covers top trending designing or sketching ideas making your teamwork in a single environment and design better products from start to finish.