Articles
Company deep dives and engineering write-ups from Sivario Buchanan's software portfolio — BuildsByBuchanan, Appxcel, and the tools built in-house along the way, starting with Kittine, the programming language we built ourselves.
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1.
Appxcel: The Mobile Apps, Games & Software Studio Founded by Sivario Buchanan(appxcel.vercel.app)
A second company, not a side project — how Appxcel builds and distributes mobile apps, games, and software separately from BuildsByBuchanan's client work.
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2.
Monthlys: A Period & Ovulation Tracker Built by Appxcel(appxcel-store.vercel.app)
Appxcel's first shipped product — a period and ovulation tracker with adaptive predictions and an AI assistant.
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3.
Layla IDE: An AI-Native Desktop Shell Built In-House(layla-ide-website.vercel.app)
A private, in-development Electron desktop shell pairing real Claude Code terminal sessions with embedded AI web sessions — built for running multiple companies at once.
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4.
Why We Built Our Own Programming Language: The Story of Kittine(kittine.com)Why we compiled a custom syntax down to Leptos/Rust and WebAssembly instead of reaching for another JS framework.
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5.
How String Interpolation Grew Out of a Real Client Project(kittine.com)
How "label: " + count became a format! lowering inside the compiler — a case study in growing a language through real use.
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6.
From .kitty to WebAssembly: Inside the Kittine Compiler(kittine.com)
A tour of the lexer, parser, and codegen pipeline that turns a .kitty file into a real WebAssembly binary.
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7.
One Language, Two Renderers: CSR vs. SSR in Kittine(kittine.com)
The same compiler powers a client-rendered app and a server-rendered one — plus the two real gotchas found wiring up SSR.
More articles land here as we build. Prefer client stories instead? See Case Studies.