01Web + apps8 min
vercel / next.js
Next.js is not simply a router attached to React. It is a full application framework with opinions about rendering, data access, navigation, assets, metadata, caching, server code, and deployment. Those opinions can remove months of assembly work, but they also become part of the architecture a team has to understand.
03AI + agents8 min
OpenHands / OpenHands
The current OpenHands repository centers on Agent Canvas, a self-hosted control surface for starting coding-agent conversations and automating engineering work across local, container, remote, and cloud backends. That scope makes it more ambitious than a chat panel and more operationally demanding than an editor extension.
04Data + ML7 min
duckdb / duckdb
DuckDB can query Parquet, CSV, JSON, Arrow data, and its own database files without making a separate database server the center of the workflow. That embedded shape is unusually useful for local analysis, reproducible data jobs, application features, and tests, but it comes with a concurrency model that deserves careful reading.