About Diaryx
Open infrastructure for personal memory.
What you remember shouldn't depend on whether a company stays alive. Diaryx is an organization building open formats, verifiable files, and software anyone can inspect — and the Diaryx app is where that philosophy becomes something your family can hold.
One app, standing on open engines.
The app is the only closed layer, and it is deliberately the thinnest one. Everything that touches your files — parsing, structure, identity, editing — is an open project anyone can use without us.
Each layer only ever edits through the one below it, so every change to your files is a lossless splice — and each project is usable on its own, with no Diaryx anywhere in sight.
Everything underneath the app is a project of its own.
Plaintext Records, Organized and Verifiable — the self-describing workspace engine behind Diaryx: documents, relations, identity, fixity.
About prov → fig ZigLossless parsing and editing of config files — YAML, TOML, JSON, ZON — down to every comment, key order, and blank line.
About fig → twig ZigA round-trippable document AST for Markdown, Djot, and HTML — parse once, edit precisely, write back exactly what you mean.
About twig → leaf Rust · SwiftA caret-based rich-text editor over twig's AST — one editing core, from terminal to iOS to the browser.
About leaf → flower RustA structural editor for config files: navigate the parsed tree, edit one value at a time, never hold an invalid document.
About flower → historica RustConvergent version control where the readable files are the authority — history as documents, not a database. It carries what Diaryx publishes, and what readers send back.
About historica → historica-remark RustA reader's remarks on a chain, and the layer that carries them home — lifted out of the app so the annotation model is usable without any of it.
On GitHub →Plain files win.
Everything we build stores its work as Markdown, YAML, and ordinary bytes in folders you own. No opaque containers, no export button to hunt for.
Durability is a practice.
Content hashes that prove nothing drifted, identifiers that survive renames, structure written into the files themselves — techniques borrowed from professional archives, not invented for an app.
If it matters, it's open.
The engines are MIT/Apache-2.0 and world-readable. If we vanished tomorrow, everything you keep would still be there, still readable — which is rather the point.
See what it's all for.
The app is free on iPhone, iPad, and Mac — and every engine under it is on GitHub.