Duologue lets a person who types and a person who speaks hold one conversation, in person or on a call, without an interpreter or a notepad. What the speaker says appears as live text, and what the other person types is read aloud. It supports English, Hindi, Hinglish and more than 20 other Indian languages, plus auto-detect, and was designed with deaf and hard-of-hearing users in mind.
There are two layouts. Face to face, for a phone or tablet lying between two people, splits the screen and rotates the far half 180 degrees so each person reads their side the right way up. Shared, for laptops and desktops, keeps one conversation with a speaker panel and an Alt+M shortcut for the microphone. A status readout in words, adjustable text size, light and dark themes and reduced-motion support keep it usable without relying on sound or colour.
Sign-up is invite-only. An administrator adds, disables, resets and removes people, and new users must choose their own password at first sign-in. Passwords are hashed with PBKDF2-SHA256, sessions are revocable tokens in an HttpOnly cookie, failed sign-ins are rate limited, and the transcription and speech proxies run server-side so API keys never reach the browser.
