Bitwarden Send
bitwarden.com
Shares a password through a link that stops working after one view
Free tier
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bitwarden.com
Shares a password through a link that stops working after one view
cryptpad.fr
Collaborative documents the server cannot read, with no account to start
element.io
End-to-end encrypted group chat in a browser tab, on the open Matrix network
privatebin.net
Shares a note or snippet that encrypts in your browser and expires on schedule
proton.me
Encrypted mailbox where the provider cannot read the contents of your messages
send.tresorit.com
A 5 GB end-to-end encrypted drop that needs no sign-up on either side
wormhole.app
Encrypts the file in your browser, then hands you a self-expiring link
Cuts across
A tag is orthogonal to the category tree — that is what makes it worth having.