CryptPad offers both hosted and self-hosted, free, account-less, instant deployment of G. Docs-like services with browser-based e2e encryption.
For example, the following link instantly gives you a shared document:
Details:
Site: CryptPad: Collaboration suite, encrypted and open-source
Features:
- Rich Text: CryptPad
- Code: CryptPad
- Presentation: CryptPad
- Sheet: CryptPad
- Poll: CryptPad
- Kanban: CryptPad
- Whiteboard: CryptPad
- CryptDrive: CryptPad
About:
https://cryptpad.fr/what-is-cryptpad.html
CryptPad - Open Collective
Self-hosting option: Yes
Online option: Yes
Usable without an account: Yes
0 to deployed in 1 or less clicks: Yes
Asynchronous editing (users see edits in real-time): Yes
e2e: Yes, browser generated
Git: GitHub - cryptpad/cryptpad: Collaborative office suite, end-to-end encrypted and open-source.
License: AGPLv3 (GNU Affero General Public License)
Pricing model: Free or pay for extra storage, support and extra features