**Bitwarden Send** is a tool provided by the [Bitwarden](passwords.md#bitwarden) password manager. It allows you to share text and files securely with [end-to-end encryption](https://bitwarden.com/help/send-encryption). A [password](https://bitwarden.com/help/send-privacy/#send-passwords) can be required along with the send link. Bitwarden Send also features [automatic deletion](https://bitwarden.com/help/send-lifespan).
You need the [Premium Plan](https://bitwarden.com/help/about-bitwarden-plans/#compare-personal-plans) to be able to share files. Free plan only allows text sharing.
**OnionShare** is an open-source tool that lets you securely and anonymously share a file of any size. It works by starting a web server accessible as a Tor onion service, with an unguessable URL that you can share with the recipients to download or send files.
**FreedomBox** is an operating system designed to be run on a [single-board computer (SBC)](https://en.wikipedia.org/wiki/Single-board_computer). The purpose is to make it easy to set up server applications that you might want to self-host.
**Syncthing** is an open-source peer-to-peer continuous file synchronization utility. It is used to synchronize files between two or more devices over the local network or the internet. Syncthing does not use a centralized server; it uses the [Block Exchange Protocol](https://docs.syncthing.net/specs/bep-v1.html#bep-v1) to transfer data between devices. All data is encrypted using TLS.
