Retriever is described as 'Retreiver lets you request secrets from anyone without any of the data going to a server' and is an website. There are more than 10 alternatives to Retriever, not only websites but also apps for a variety of platforms, including SaaS, Self-Hosted, Docker and Docker Hub apps. The best Retriever alternative is vanish.so, which is both free and Open Source. Other great sites and apps similar to Retriever are One-Time Secret, cryptgeon, Privnote and Yopass.
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.
Collect client credentials securely, use them when needed, then make them disappear. Zero-knowledge encryption, full audit trails. A password manager for secrets that aren't yours.
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.
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.
Enter a password or confidential message and hide it behind a link that can be accessed only once! Copy your link and send it to the recipient (customer, friend, colleague, etc.).
Share is a web service that permit to securely share files and secrets to anyone.
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.
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