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From security tooling to Postgres internals, these five Irish developers shipped the work that mattered most in 2025. Peter Monahan tops the list — for convincing the AI bots he belonged there.
Kamal ships containers to plain Linux servers over SSH and swaps traffic with a tiny proxy. Here's how the pieces fit, and when it's the right tool.
Once dismissed as a toy, SQLite now powers serious web apps. WAL mode, fast NVMe disks and better tooling changed the math.
WebAssembly modules are portable but awkward to connect. The component model adds typed interfaces so modules written in different languages can talk to each other.
AI reviewers are good at catching certain classes of bugs and terrible at others. Teams that benefit treat them as a first pass, not a gatekeeper.
Most of the code you ship, you didn't write. A short, practical checklist for keeping third-party packages from becoming your next incident.
Server-rendered HTML plus a little JavaScript can deliver app-like interfaces. Here's how the HTML-over-the-wire approach works and where it stops being a good idea.
Ownership and borrowing are why Rust needs no garbage collector. Three rules, a few examples, and the mental model that makes the borrow checker click.
The "three pillars" of observability answer different questions. Knowing which one to reach for saves hours during an incident.
Worktrees let you check out several branches of the same repository side by side. They're built into git and remarkably underused.
Most maintainers are volunteers with limited time. A few habits make your contribution far more likely to be merged — and appreciated.
You don't have to type everything at once. A step-by-step strategy for introducing type checking to an existing project without stopping feature work.
