Observed arrival · 2026-09-19

BuildWithJev: a field guide to one model’s strange little ecosystem

buildwithjev.com Visit website

Editorial interest 84/100 Selection signal · not a rating of the site

A curated directory of apps, demos, experiments, and open-source projects built with TypeSafe’s Jev model.

Landing page captured for the 2026-09-19 issue.

For: Builders exploring Jev and typed decision models
Worth noticing: The directory records 23 Jev-tagged projects, including several open-source replicas and local-first experiments.

Field notes

The homepage organizes 23 Jev-tagged projects across a latest feed and a broad tag index that includes computer-use, browser-agent, voice, open-source, and Qwen. Entries link outward to GitHub, X, or project sites and include concrete implementation details: a self-hosted expense tracker accepts PDFs or Telegram input, while another project describes a 4 ms option-probability model on GH200 hardware. Reported costs and timings remain claims from the listed projects.

Observed signals

Read the marks

Editorial observations of this landing page, not a rating.

○OpenPublic substance visible

✦PrettyNotable craft visible

●ProPolished or operationally mature

◎NicheUnusually specific use

◉HumanPersonal, local, civic, or handmade

ƒJavaScriptBrowser-side code central

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