The best alternatives to Flipfile are Milanote, Drafta, and Clean Mac Desktop. If these 3 options don't work for you, we've listed a few more alternatives below.
What do you think of Flipfile?
Tanka— Tanka = Slack + Glean, built for fast-growing startups.
The perfect tool to store and share web and interface design screens—in perfect order. Structure is key. Upload and organize screens with site-tree view, keeping states and resolutions together. Copy address link to share your project designs. Zero UI with precise retina scale and no distractions. Drafta gives your entire team one-click access to all projects. Always stay up to date.
A Mac Shortcut that smartly cleans & backs up your Mac Desktop & Downloads in 1 click, works with cloud storage like iCloud, Google Drive, Dropbox, etc.