
r12
a Swiss-inspired grid overlay for designers and developers
What it does
r12 is a lightweight grid overlay for inspecting layout structure on the web. Visualize 12-column, modular, baseline, and rule-of-thirds systems directly on any site to check alignment and spacing in real context. Designed for speed and simplicity; no setup, no friction, just a quick way to bring structure into your workflow. Inspired by Swiss design principles. Already used by designers and developers, and featured on the Chrome Web Store.
Does the same job
all alternatives →

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- ASA simple lightweight CSS grid, not a bloated framework2012 · thisisdallas.github.com · ▲134

- MGMagic Grid – A simple JavaScript library for dynamic grid layouts2018 · github.com · ▲167
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Launched alongside, May 2026
the whole month →

Parallel agents, diff reviewer, and multi-model comparisons
Dev tools · May 2026 · kilo.ai


- NW
Hey HN, Henry here from Cactus. We open-sourced Needle, a 26M parameter function-calling (tool use) model. It runs at 6000 tok/s prefill and 1200 tok/s decode on consumer devices. We were always frustrated by the little effort made towards building agentic models that run on budget phones, so we conducted investigations that led to an observation: agentic experiences are built upon tool calling, and massive models are overkill for it. Tool calling is fundamentally retrieval-and-assembly (match query to tool name, extract argument values, emit JSON), not reasoning. Cross-attention…
Life & fun · May 2026 · github.com
- FM
Dev tools · May 2026 · github.com