Build it.
Use it.
Improve it.

Portrait of Thế Long

I build developer tools, AI tooling, and local-first software. I like simple code, clear boundaries, and fewer dependencies.

I am interested in software that makes difficult systems easier to understand and genuinely useful—not complexity for its own sake.

01 / Thoughtful

Understand the boundary.

The interesting part is often not the happy path. It is who owns the data, what has authority, what happens offline, and how failure stays understandable.

02 / Useful

Ship the thing people need.

I care about technical quality, but I care about it because it should make the product safer, clearer, faster, or easier to live with.

03 / Open

Contribute where it helps.

I contribute to open source when I can see the work helping me and other people in work or everyday life.