Shipping software that holds up.
Curated writing from engineers with decades of experience building, shipping and running software in production.
Founder guide
How to apply for the Sarvam Startup Program
Every field on the Sarvam Startup Program application, what to write in it, and how to estimate usage that holds up.
5 min read · @thebrokenapp
Security explainer
TLS and SSL, explained: how your browser knows it’s really your bank
How TLS works, from keys and certificates to the chain of trust and the handshake, using HDFC Bank’s real certificate. Plus how eMudhra’s guessable keys broke it, and the TLS mistakes to avoid in your own app.
18 min read · @thebrokenapp
Claude Code tutorial
18 Claude Code commands that save you time and money
From /advisor and /goal to /rewind and /security-review: eighteen built-in Claude Code commands, when to use each, what to type, and the catches tutorials skip.
14 min read · @thebrokenapp
DPDP Act guide
The DPDP Act for app builders: four things your app must do
India’s data protection law in plain language: privacy notices, keeping user data private, account deletion and breach reporting, plus penalties of up to ₹250 crore and when the rules start.
10 min read · @thebrokenapp
Free stack tutorial
Launch your idea for $0: the free stack, set up step by step
Website, database, API, email and analytics on free plans. How to set up each one, the real limits as of October 2026, and the catches that take a free app offline.
17 min read · @thebrokenapp
WhatsApp API tutorial
Send WhatsApp messages from your app, without Wati or Interakt
Run OpenWA, a free and open-source WhatsApp gateway, on your own machine. Link your WhatsApp with a QR code, send your first message from a few lines of Python, then wire it into your app, backend or AI agent.
10 min read · @thebrokenapp
AI for everyone
The AI roadmap for non-coders
You don’t need Python or machine learning to get very good at AI. A five-level path from power user to product builder, with real examples and a 90-day plan.
9 min read · @thebrokenapp
AI for engineers
The AI roadmap for coders
From writing software to building software that can think, reason and act: LLM basics, RAG, tools, evaluation and agents, with four projects and a 90-day plan.
12 min read · @thebrokenapp
Design for engineers
6 UX websites that you cannot miss
A backend engineer’s shortlist of component libraries, hero sections and animation kits, with the exact components worth stealing and the order to use them in.
9 min read · Kalqore
Pre-launch security guide
You vibe-coded an app. Is it safe to launch?
Five checks to run before you put it on the internet. For each one: why it matters, how to check it in a couple of minutes, and exactly how to fix it, including a prompt you can paste into your AI coding tool.
10 min read · @thebrokenapp