The best websites like Datash.co. Top Datash.co alternatives 2020. Explore 34 alternatives to Datash.co and read 10 reviews now on SameAs.NetDatash.co is a web service that allows users to send and receive messages. It only makes use of the browser, and the user is not required to log in or even create an account to send the message. The platform is secure, and since it makes use of a 1024bit public/private key end to end encryption. The data from the sender is first encrypted with the use of a public key, which ensures that the message is sent to the right person. Sending a message involves first opening datash.co and allowing the receiver to do the same. The message is then keyed in. Files can also be attached. The recipient’s ID shown on the control panel on top of the recipient’s device then follows this. There is a button labeled Send Securely that is then used to encrypt and send the message.