Launch HN: Roark (YC W25) – Taking the pain out of voice AI testing

Hey HN, we’re James and Daniel, co-founders of Roark (https://roark.ai). We built a tool that lets developers replay real production calls against their latest Voice AI changes, so they can catch failures, test updates, and iterate with confidence.

Here’s a demo video: " rel="nofollow">

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We ran into this problem while building a voice AI agent for a dental cli

Show HN: Inscribed, create stop motion animation and slide powered by Excalidraw

Inscribed.app, a slide-based tool for creating stop motions animation and slides.

I've been writing a lot of tech content lately and needed a way to create a stop motion to visualize ideas for my blog.

I'm a big fan of Excalidraw and Apple Keynote, so this tool is an attempt to combine the UX of the two together. Sketch like Excalidraw with a slide making interface (with shortcuts) like Apple Keynote.

Features: - keyboard shortcuts: copy/paste/del, up/down navigation - adjust document


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