End-to-end encrypted, read-once notes. AES-256-GCM in the browser, proof-of-work spam protection, zero accounts. Self-hostable, with Rust backend.
Cost / License
- Free
- Open Source
Platforms
- Online
- Software as a Service (SaaS)




Whisper it is described as 'Create secrets that self-destruct' and is an website in the social & communications category. There are more than 10 alternatives to Whisper it, not only websites but also apps for a variety of platforms, including SaaS, Self-Hosted, Kubernetes and Heroku apps. The best Whisper it alternative is vanish.so, which is both free and Open Source. Other great sites and apps similar to Whisper it are BurnChat, Retriever, One-Time Secret and cryptgeon.
End-to-end encrypted, read-once notes. AES-256-GCM in the browser, proof-of-work spam protection, zero accounts. Self-hostable, with Rust backend.




VaultNote is a modern, privacy-focused tool for sharing sensitive data like passwords and API keys. Unlike traditional services, all encryption (AES-256) happens directly in the user's browser (Client-Side Encryption) before any data leaves the device.
OnlyU is a free, secure platform for sending self-destructing messages and passwords. No signup is required, and all messages are end-to-end encrypted by default. Once read, messages are permanently deleted.

Use InPrivy to share passwords and other sensitive information the secure way. Generate a secure link that will be voided once opened by the recipient (more options available). Prevent your confidential data to remain fully visible in email conversations or chats.
Securely send and receive sensitive information using one-time links. Secrets are always encrypted and decrypted client-side and cannot be seen by the service. Also has features like notifications, webhooks, branding, API.

Create one time links for secrets and sensitive data that your want to share. Keep it safe, keep it secure
Temporal.PW can convert a password into a unique temporary secure URL that is safe to send via E-Mail.
If you need to send a password or some other form of simple but sensitive information to someone you can not send it over IM or email. These methods are not secure as anyone with little knowledge can intercept this information during transmission.



