d-note has been discontinued. Similar apps include BurnChat, which is free. Other options are Telegram X, Niltalk and Anologue. In total there are four Instant Messengers like d-note for the web and Android.
Disposable chat rooms offer instant creation without sign-up, use RAM-only message storage, destroy data with a burn button or auto-burn, provide password protection, allow image sharing compressed in-browser, never log or write to disk, and guarantee anonymity.
An alternative Telegram client based on TDLib, with higher speed, slicker animations and experimental features.
United Arab Emirates
Instantly establish temporary, secure chat rooms with SSL encryption and optional password control. No registration, personal data, or logs are required or stored. Each session provides a unique link, ideal for confidential conversations via a browser and sharing.
India
Disposable online chat. With anologue you can quickly and easily engage in an anonymous (or not) linear dialogue with any number of people (within reason). No accounts. No installations.
United States