Iván Alonso
Software engineer
Twenty years building software across consulting, e-commerce, start-ups, academic research and games. A third of them managing projects, which cured me of wanting to.
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Typoteka
Books written in Markdown and designed in CSS: a web editor that turns a folder of text into a print-ready PDF with real typesetting.
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Cue
A watch-later queue for YouTube that lives on your Mac instead of in your browser: a native player with no ads, no embed and no tab eating your battery.
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Maestro
A workspace where game designers and their AI agents build the design of a game together. It holds the design, never a running game: no live instances, no players, no telemetry.
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Disenshittify
A Firefox extension that hides the parts of a platform that exist to serve the platform. Recommendation walls, infinite feeds, upsells, suggested posts, each one a switch you can turn off.
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Owl
A self-hosted metrics dashboard for your own server, with the dashboards defined as files rather than clicked together in a UI. If you think Grafana and Prometheus ask for too much RAM, this one is for you.
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Sublime Text plugins
The editor I have used for half my life and the one I am still fastest in. The plugins I wrote to fix my own annoyances are published rather than left in my packages folder, in case they are somebody else's annoyances too.
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Nottario
A harness for your harness: a task, document and architecture store that coding agents talk to over MCP, so several of them share the same context.
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Firebase Mocker
An emulator of several Firebase services that is just a dependency in your project. No install, no separate process to remember, and tests that run against it as if it were the real thing.
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Hexo plugins
I like static sites, and Hexo is the generator I keep coming back to. Over the years one need or another has ended in commits to somebody else's plugin, or in writing and publishing my own.
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okinawa
A small 3D engine in C++ and OpenGL, the heir of a JavaScript 2D engine a decade older. It is a library, not a framework: it draws the world and leaves the game to the application.
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Doom tools
C++ tools for the archives Doom keeps its levels in. The main one rebuilds a map in 3D from its lines and sectors, with the original textures, and lets you fly through it.
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GhostMesh
An IRC client that runs in the browser and talks to several networks at once. No account, no sign-in, nothing stored anywhere but your own browser.
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Vue components
A new front-end framework turns up every week. Of all of them, the one I keep coming back to is Vue, and the pieces worth reusing end up published as components.
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Hexagon
A multilanguage mudlib: it adds an entity component system on top of the classic room inheritance, and a single instance can host several persistent online text games at once.
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okinawa.js
A 2D game engine in plain JavaScript, with no runtime dependencies, that ended up powering dozens of small games on a programming platform for children and a handful of academic studies.