managed-deps

Oniguruma's regex engine in pure Rust: full Oniguruma syntax, a vscode-oniguruma-compatible TextMate scanner, no C toolchain

Fast Markdown-to-HTML engine in Rust with secure defaults, CommonMark and GFM support, plus Node.js bindings.

Shiki-compatible syntax highlighting with a leaner Rust core and Node bindings.

Open-source i18n for TypeScript: write messages in code, manage translations in Git, and build across frameworks with a Rust-powered toolchain.

Your team's agent skills, versioned like code.

Ferralk finds files. Glob matching and parallel filesystem walking, byte-first, with an unsafe-free matcher.

Software-engineering lifecycle workflows for Claude Code and Codex, shipped as /effective-flow tools.

Idempotent VPS setup tool in TypeScript — define your server as code, apply via SSH

Fast, parallel link checker for static HTML builds: cross-page links, anchors, assets, and deploy redirects. Built for Ardo releases and deployments.

Spell checking for text and code. An independent Rust engine that safely loads existing Hunspell dictionaries.

Rust-native translation catalog engine for Gettext PO, ICU MessageFormat, and FCL catalogs.

Repository standards for the org — reference files, migration changelogs, agent instructions and a CLI to check and apply them

Local harness-to-harness delegation gateway for AI coding agents.

ferramenta.dev — the Ferramenta family of Rust-native developer tools

Homepage for our OSS projects

Relanto helps teams send application emails reliably with managed SMTP configs, scoped API tokens, delivery tracking, and an admin UI for secure operations.

Shared Renovate preset for all Sebastian Software repositories

Home Assistant Dewpoint Calculator

Baseline template for Sebastian Software repositories — public and private (visibility is parameterized via .repometa.json)