Dev tools · September 28, 2020
A SQL database implemented purely in TypeScript type annotations
In plain words
A SQL database built entirely within TypeScript's type system, allowing developers to write and execute database queries using only type annotations. Designed for TypeScript developers who want to experiment with type-level programming or understand how databases work conceptually. The implementation demonstrates advanced TypeScript features by performing actual database operations through the type checker rather than traditional runtime code.
written from the facts on this page · September 2026
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Open-source GTM skills for technical founders
Dev tools · 29d ago · gtmcofounder.com

OpenTrailPaper is open-source bike computer firmware for the LilyGO T5S3 4.7" E-Paper PRO. It supports offline maps, GPX routes, FIT recording and Bluetooth sensors.
Dev tools · 1d ago · opentrailpaper.com

Launched alongside, September 2020
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Tables by Google▲786Tables helps teams easily track & automate tasks
Work · 2020 · tables.area120.google.com
- LS
Almost eight years ago I launched an online “Linux sysadmin course for newbies” here at HN. It was a side-project that went well, but never generated enough money to allow me to fully commit to leaving the Day Job. After surviving the Big C, and getting made redundant I thought I might improve and relaunch it commercially – but my doctors are a pessimistic bunch, so it looked like I didn’t have the time. Instead, I rejigged/relaunched it via a Reddit forum this February as free and open - and have now gathered a team of helpers to ensure that it keeps going each month even after I can’t…
Commerce · 2020

