Why D2’s 24K‑Star Open‑Source Diagram Tool Beats PlantUML and Drag‑Drop Editors
D2, a modern declarative diagram language with 24K+ GitHub stars, eliminates the layout chaos, vague errors, and heavy dependencies of PlantUML, Mermaid, Graphviz and drag‑and‑drop tools, while offering multiple layout engines, professional themes, animation, LaTeX support, zero‑dependency binaries, rich plugins and seamless Git integration, though it still lacks native GitHub rendering and fine‑grained pixel control.
