The best alternatives to fman are FilePane, TagSpaces, and Neat – File Manager. 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
TagSpaces helps you organize files and folders using tags and colors on Windows, macOS, Linux and Android. It has a built-in advanced Markdown editor for note-taking and can connect and customize any local folder or S3 compatible object storage. The PRO version offers different views for your files, like a kanban board, a photo gallery or digital map. This way you can use your local files for different use cases without the need of a third party online software.
Neat gives you an open-ended file manager in the cloud: integrate Google Drive, GitHub, and Slack to visualize your assets in one canvas. Control, find, preview, and open any resource. Use keyboard shortcuts to get to what you want 10x faster.
cryo uses a visual graph instead of bookmark lists and lets you quickly jump to your most used folders. Open beta available for Windows, macOS and Linux.
ExplorerMax, a smart file manager for the Windows system. It features tabs and book marks in Chrome style; It supports light and dark skin; it enables you to search quickly and get grouped results; Moreover, batch rename and file zip/unzip are available.