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Ask HN: What internal tool did you build that became a product?

7 points by nehpets

by freakynit

0 subcomment

I built https://pagey.site initially for my own self since I was creating an insane lot of small one-page sites using LLM for various utilities/calculators/explanations etc. and needed a single place to host them.
Initial version was super minimal, but then, a lot of people started using it. So, revamped it into full product and launched it. Currently hosting over 300 sites, with 10 new sites getting added daily. All free for now. I personally has 53 sites as of now.
Sample stuff of mine:
1. [latency-numbers-2026] - https://latency-numbers-2026.pagey.site/
2. [NVIDIA (NVDA) — The Short / Underperformance Thesis] - https://nvidia-stock-analysis.pagey.site/
3. [Shamir's Secret Sharing] - https://shamirs-secret-sharing.pagey.site/
4. [Build Software Like It Needs To Last] - https://building-software-the-right-way.pagey.site/
5. [NPM Supply Chain Attack Techniques] - https://npm-supply-chain-attack-techniques.pagey.site/
6. [NPM Ecosystem Threat Report (May 19, 2025 - June 1, 2026)] - https://npm-supply-chain-attacks-25-26.pagey.site/
https://pagey.site

by dennis16384

1 subcomments

I built a question-to-sql-to dashboard tool for quick data analysis, just to avoid sharing random personal or customer xlsx documents with external AI. Released it as MIT recently:
https://eatmydata.ai/
https://github.com/eatmydata-org/eatmydata

by abstractspoon

0 subcomment

I started building ToDoList to manage multiple projects on CodeProject. That was is 2003. Still working on it daily. www.abstractspoon.com

by morolis

0 subcomment

[flagged]

by dgrelaud

0 subcomment

[dead]

by

0 subcomment

by ashishp15

0 subcomment

[dead]

by developer_ash

0 subcomment

[dead]