Build a system, load it until it breaks, and watch why. A system design simulator for learning distributed systems.
Lightweight (~1.5 MB) open-source screen annotation with click-through mode and keyboard-first shortcuts. For demos, teaching, meetings & screen recording. Windows, macOS.
Stop re-teaching your agent. Make your agent's memory work like a brain. Hippo is long-term memory for coding agents. It's a critical layer for your AI harness that connects across your different tools (Cursor, Claude Code, Codex). It keeps your proprietary data completely local, and it actually learns over time.
GenUI for DeepSeek Harness: interactive UI components rendered inline in assistant replies via the dsh-ui fence — layout, charts, plots, forms, quizzes, mermaid, 3D scenes, and an action event loop back to the model. Ships the fence-teaching host plugin, the browser renderer (client half), and the genui skill.
Local-first 3D anatomy atlas with an AI tutor that drives the viewport. Male and female atlases, 3,697 structures, works offline. Free for study and teaching under BSL 1.1; Apache-2.0 from 2030.