croc
croc is a free, open-source file manager for Android. Easily and securely send things from one computer to another. It has 321 GitHub stars and is released under the ISC license, and you can install it from F-Droid.
github.com/howeyc/crocgui (opens in a new tab)
Data as of from the GitHub API and the F-Droid index; description from the project's repository or F-Droid listing. Report an error
About croc
croc is a tool that allows any two computers to simply and securely transfer files. Features - allows any two computers to transfer data (using a relay) - provides end-to-end encryption (using PAKE) - enables easy cross-platform transfers (Windows, Linux, Mac) - allows multiple file transfers - local server or port-forwarding not needed - ipv6-first with ipv4 fallback The command line application upon which this is based can be found here:
Privacy and F-Droid
F-Droid builds croc from its published source code and flags anti-features such as ads, tracking or reliance on non-free services.
No anti-features flagged on the latest F-Droid build.
Screenshots
Screenshots from the app's F-Droid listing.
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Is croc free and open source?
Yes. croc's source code is public on GitHub under the ISC license, which is OSI-approved or FSF-free. F-Droid, which builds it from source, flags no anti-features such as ads or tracking on its latest build.
How do I install croc?
You can install croc from F-Droid (package com.github.howeyc.crocgui); the links are on this page. Its GitHub repository also publishes releases (latest: v11.5.2).
Is croc still maintained?
The repository's most recent commit was on Sep 13, 2026. Its F-Droid listing was last updated on Sep 15, 2026. appsgit only lists apps whose repository had a commit in the last six months.