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░hi, i'm sacha
I'm a software engineer in France. At work I take on the foundational jobs: framework migrations, faster tests and CI, performance, design systems. I measure before acting.
At home I build my own tools, from a web browser to a GUI toolkit, and I run them on my own homelab.
résumé
shoot me an email
now building
wren
A small Windows browser where WebAssembly runs everything.
papier
A fast clipboard manager for Linux, on gui_toolkit
gui_toolkit
A fast, native, immediate-mode GUI toolkit.
opencode_native
A native desktop client for opencode. Independent: not affiliated with the OpenCode team.
latest writing
- The free man is constrained
"Man is born free; and everywhere he is in chains." Rousseau wrote it in 1762. It is the most quoted sentence of the Social Contract, and it hides the book. A few chapters later,...
- The same dog with a nicer coat: why I left YAML for a key=value file
Why I replaced a five-field YAML file with key=value lines: what generic formats like YAML, JSON and XML cost in code, bugs and attack surface.
- A wrong abstraction is worse than none: fork, files and the myth of the resource
fork, "everything is a file" and the idea of a resource: how a cheap mechanism becomes a universal abstraction, and what it costs.