Products/DevTools/EmDash

EmDash

Open source, MIT-licensed CMS built in TypeScript on Astro and Cloudflare Workers designed to replace WordPress' insecur

DevTools
EmDash

Our Take

EmDash is low-key the move WordPress should have made years ago — it's an open source CMS that isolates plugins in their own Dynamic Worker sandboxes instead of letting them run loose in a shared context like WordPress has been doing for two decades. Built in TypeScript on Astro and Cloudflare Workers, it's MIT licensed so any dev can fork it without asking permission, and the architecture choice alone signals they actually understand why WordPress is such a mess. If you're tired of plugins being the entry point for every WordPress breach, this is worth the experiment.

Key Facts

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DevTools
Discovered via
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The people behind EmDash

A

Arne Strickmann

profile

Co-Founder at Emdash (YC W26)

Co-founder of Emdash (YC W26), an open-source agentic development environment. Software engineer; previously Founders Associate at Langdock and contract work with Thrive Capital and Highlight.

R

Raban von Spiegel

profile

Co-Founder at Emdash (YC W26)

Co-founder of Emdash (YC W26). Stanford-trained engineer; previously founded Soff (YC S24) and researched software performance engineering at MIT CSAIL.

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EmDash — SLAYREPORT