When comparing OneTimeSecret vs Chatlink.com, the Slant community recommends OneTimeSecret for most people. In the question“What are the best ways to transmit sensitive information over the Internet?” OneTimeSecret is ranked 12th while Chatlink.com is ranked 19th. The most important reason people chose OneTimeSecret is:
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Pros
Pro Small vulnerability window
Information is gone after one view.
Pro Available in two languages
OneTimeSecret is available in English and Spanish.
Pro Optional password protection
Pro Free
Pro Open Source for self hosting
Pro Even the website owners have no access to the data
Because the encryption keys are generated in client browser and never sent to the server.
Pro All communiction is also encrypted with AES-256
All this encryption takes place at client side, so that even the server administrators have no access to the data.
Pro No need to install anything
Pro All communication is protected with TLS (SSL)
Pro No need to create an account
But creating an account can be useful, too: while having an account the key exchange can be done through public key cryptography.
Pro You can delete messages any time
Pro Chatlink.com does not track or follow you in any way
It does not save any cookies or have any external links (like Google Adwords for example) that could track you.
Pro Chatlink.com is open source
The source code is available here. Being open source allows anyone to audit the code.