Mermaid
AssessTools
A text-based diagram syntax for generating flowcharts and other diagrams.
Why it's here
Placed in Assess: 2 article(s) of evidence from 2 source(s), led by open-source activity, with 1 in the last 30 days. Confidence 43%.
Evidence (2)
- 4Hacker News·9/26/2026open_sourceReladraw: a controllable diagram language
Reladraw is a new diagram language designed to combine the convenience of text-based diagramming with fine-grained control over layout. It targets both humans and agents, aiming to be easier to manipulate than tools like Draw.io while offering more placement control than auto-layout systems such as Mermaid or Graphviz.
- 3Simon Willison·7/16/2026open_sourceMermaid diagrams rendered as Unicode box art
Simon Willison describes experimenting with a Rust-based terminal renderer for Mermaid diagrams found in the open-sourced Grok CLI codebase. He also prototyped running it in the browser through WebAssembly, producing a tool that displays Mermaid diagrams as Unicode box art. The post is a short developer-focused note about adapting an existing terminal component for web use.