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Writing.
Product notes and build logs — engineering, mobile, and security, written in plain words.
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AI & Chatbots
14 min
25 Best AI Tools for Building AI Chatbots in 2026
The 25 best AI tools for building AI chatbots in 2026, compared by job: LLM APIs, RAG stacks, ready-made platforms, agent frameworks, and eval. Real picks from shipping production chatbots.
DG Durga Gairhe Read
Security & Web
10 min
Zero-Knowledge Secret Sharing with Web Crypto
How CipherOnce delivers true zero-knowledge: client-side AES-256-GCM, fragment keys that never hit the server, and self-destructing links that leave no trace.
DG Durga Gairhe Read
Product & Mobile
11 min
Shipping AuraLock with React Native & Kotlin
Building AuraLock — choosing what matters vs blocking, React Native + native Kotlin modules, Play Store policy. Founder notes from zero to launch.
DG Durga Gairhe Read
Product Thinking
9 min
Product-Led Engineering: Why I Start With What Matters
From AuraLock's Aura to CipherOnce's fragment key — product thinking before code. How I decide what to build, what to cut, and how to stay close to the work.
DG Durga Gairhe Read