Developer rebuilds Doom using only CSS and HTML, turning divs into a full 3D game engine

Leenheer is best known for creating HTML5test.com, the WhichBrowser user-agent parser. He began exploring a CSS-based Doom ...

Cursor Launches a New AI Agent Experience to Take On Claude Code and Codex

As Cursor launches the next generation of its product, the AI coding startup has to compete with OpenAI and Anthropic more directly than ever.

Here’s what that Claude Code source leak reveals about Anthropic’s plans

Chief among these features is Kairos, a persistent daemon that can operate in the background even when the Claude Code ...

Claude Code's source code appears to have leaked: here's what we know

The leak provides competitors—from established giants to nimble rivals like Cursor—a literal blueprint for how to build a ...
Decrypt

Anthropic Accidentally Leaked Claude Code's Source—The Internet Is Keeping It Forever

Anthropic is scrambling to contain the leak, but the AI coding agent is spreading far and wide and being picked apart.