Open-source file sharing

7 file sharing whose code is public under an OSI-approved license, rated for privacy with evidence. Picks first, then by score.

1. OnionShare Grade A

   Open source desktop and mobile tool that shares files, hosts websites and runs chat rooms over Tor onion services, directly from the user's device.

   GPL-3.0. Source code

2. croc Grade B

   Open source command-line tool for sending files and folders between two computers using a short code phrase, with end-to-end encryption and a relay server.

   MIT. Source code

3. LocalSend Grade B

   Open source app for sending files and messages between nearby devices over the local network, without an internet connection or account.

   Apache-2.0. Source code

4. Lufi Grade B

   Self-hosted web app for uploading and sharing files with end-to-end encryption in the browser, with expiring download links. Written in Perl.

   AGPL-3.0. Source code

5. Magic Wormhole Grade B

   Open source Python library and command-line tool for sending files, folders and text between computers using short one-time codes, with end-to-end encryption.

   MIT. Source code

6. PairDrop Grade B

   Open source web app for sending files and text between devices on the same network or paired devices over WebRTC, usable at pairdrop.net or self-hosted. A fork of Snapdrop.

   GPL-3.0. Source code

7. Send Grade B

   Self-hosted web app for sharing files with end-to-end encryption through expiring links. A community-maintained fork of Mozilla's discontinued Firefox Send.

   MPL-2.0. Source code

Compare all 10 file sharing, open source or not.