I build induwara.lk — a growing library of 927+ free, no-signup online tools, calculators and developer APIs for Sri Lanka, shipped continuously through an autonomous AI build pipeline I designed.
- 💰 Finance — income tax, EPF/ETF, gratuity, loan EMI, stamp duty, VAT, fixed deposit
- 🎓 Education — A/L Z-score, subject-combination tools
- 🧾 Bills — electricity & water bill calculators
- 🪪 Utility — NIC decoder, land-area converter, working-days calculator
- 💻 Developer — online Python · Java · C++ · SQL · TypeScript compilers + a free public API
- 🔒 Privacy — end-to-end encrypted, self-destructing secret chat
- 🤖 AI — free website builder (Opus plans, Sonnet builds), diagram & presentation makers
👉 Browse the full tool index: IAshinsana/induwara-lk-free-tools
Selected tools are extracted as standalone, MIT-licensed repos:
| Repo | What it is |
|---|---|
| secret-chat | E2EE self-destructing chat — zero-knowledge architecture |
| one-time-secret | Free Privnote alternative for sharing passwords |
| secret-file | Self-destructing encrypted file share |
| sri-lanka-trip-planner | Open data: 25 districts × 150 places + itinerary algorithm |
| sri-lanka-tax-calculator | Sri Lanka income tax math (2026 IRD brackets, cited) |
⭐ Try the tools at induwara.lk — built in Sri Lanka 🇱🇰