Lenny's podcast features John Lindquist on eight practical Jev use cases for fast, cheap decision routing, and Kath Korevec on how OpenAI uses ChatGPT Sites internally. Both episodes emphasize building personal software with fast models.
“Jev outputs decisions instead of text, and that constraint is its defining feature.”— Lenny Rachitsky
Miguel Ángel Durán shares getartcraft.com, which offers seven free, open-source creative tools built in Rust covering image editing, vector illustration, video, photography, PDFs, motion graphics and page layout. The apps are presented as reimplementations of Adobe products.
Zach Davis describes Cringe Bot, a Grok-based agent that runs three times a week to find UI issues on his websites and apps, with findings passed to DevinAI for automated pull requests. It is a practical workflow for AI-driven QA.
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ClaudeDevs announced that computer use and browser use toolsets are now built into the Python and TypeScript SDKs for Claude. The SDKs now run the action loop and dispatch clicks and keystrokes to drivers, replacing the custom loop developers previously wrote.
DHH shares rawmakase, a free and fast RAW photo editor for Linux, macOS and Windows that works with Lightroom-compatible camera profiles and presets. He says his family photos came out well when edited with it.
Danielle Morrill says she fired her accountant and gave Claude several years of monthly closes and annual financial statements to work with in QuickBooks. She says she is considering open-sourcing the workflow.
Vaibhav Sisinty describes a Reddit user who reverse-engineered an LG TV because the Plex app was slow, then built a native open-source Plex client using Claude Code, Opus and Fable. The client, written in C and Rust with a custom OpenGL UI, cut profile loading from 30 seconds to 3 and supports 4K, Dolby Vision and Atmos.
