Vasyl Vdovychenko

Solo dev building TextStack — an open-source reader for technical books and English learners. .NET, JS/TS, React Native.

Products

TextStack
Open-source reading app for technical books and English learners. Reads EPUB/PDF/FB2. Built-in dictionary, vocabulary SRS, translation, and text-to-speech. Self-hostable. Live at textstack.app.
2025 — present

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I run CI on AI workflows so they stop rotting. If you have one that works, I will verify it.

We Built Our AI Engineering Platform Using Our Own AI. Here's the Human Experiment That Broke Our Process.

The most embarrassing realization I had this week: Our startup was completely invisible to Google.

I almost shipped an AI feature that "mostly" worked. That word nearly got me.

I built software to read one book.

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