Kalcend: AI agent builder
Helping small businesses go from one sentence to a working AI agent.
Airport Operations Platform
Designing an Airport Ops experience for scale and trust
JobBuddy: AI interview practice
An AI interviewer on a live video call, designed and built solo.
Stimuler: AI English Coach
UX research behind Stimuler’s rise to 1.7M+ installs.
Regain: Productivity and screen time management app
Helping users reach their first focus win faster
Vishnu R Nair. © 2026
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