Antoni Ostrowski
Poland, Warsaw
About
Hi! I’m a 19yo fullstack dev. I enjoy building tools, servers and web apps,
I mainly use Go and Typescript,
currently I’m also exploring Odin.
I love simple software, I’m enthusiastic about tech, homelabbing, music and keyboards.
Education
Final-year student at ZS1 Mińsk Mazowiecki (Technical High School). Taking my final exams in May, open to work from June. Planning to go on to university in Warsaw.
Projects
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EgzamifyTypeScript
AI study platform for Polish vocational exams
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Szkoły Mińska MazowieckiegoTypeScript
Recruitment site for Mińsk County secondary schools, with bus map and headless CMS
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Exam StackGoTypeScript
Fully-offline exam platform for schools, battle-tested in a real exam
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LocalStreamGoTypeScript
Simple, local desktop music player
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gvimGo
Terminal-based text editor
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Library SyncerGohtmx
Personal tool for syncing music library
Smaller projects
Small tools I built for myself.
- simsyncGohtmx — Stateless Go library that fans out updates to exactly the clients viewing a resource
- web-sshGo — Browser terminal proxied over WebSocket to SSH servers
- go-web-refGo — Minimal Go + htmx + templ web template with Postgres and OTel
- op-reviewerGo — OpenCode powered AI code review for CI/CD
Vibed tools
Single-purpose tools I vibe-coded with AI and actually use, self-hosted on my homelab.
- matura-toolTypeScript — Keyboard-first trainer for matura maths with fuzzy search
- calorie-trackerTypeScript — Minimal PWA calorie logger with AI photo estimation and barcode scan
- habits-trackerGo — Day-habit tracker scored in fractional stars, capped at 5 a day