diagrams — independent software & tools

9 independent diagrams listings the big search engines bury.

• rpic-lang

  github · Free · by milkway

  A modern reimplementation of the pic graphics language in Rust — SVG/PNG/PDF output, GSAP animation, and an 79-element circuit library. Bindings for Python, R and JS/TS.

• transitrix-studio

  github · Free · by transitrix

  VS Code + IntelliJ IDEA extension for editing and previewing Transitrix diagrams — BPMN, Goals, DGCA, capability maps. Text-first; live preview as you type. MIT licensed.

• md-viewer

  github · Free · by zeronchen

  优雅专业的本地 Markdown 阅读器 · 图表全屏缩放 · 多标签 · 正版授权软件

• @avodado/cli

  npm · Free · by jdiejim

  Avodado CLI — author, validate, render, and export typed Markdown docs.

• @drawio/mcp

  npm · Free · by drawio

  Official draw.io MCP server for LLMs - Open diagrams in draw.io editor

• @joint/core

  npm · Free · by zbynekstara

  JavaScript diagramming library

• glowm

  github · Free · by atani

  Read Markdown docs in your terminal with Mermaid diagrams rendered inline (iTerm2/Kitty/Ghostty). PDF export, pager, and STDIN support.

• frankenmermaid

  github · Free · by Dicklesworthstone

  Rust-first Mermaid-compatible diagram engine with smarter parsing, deterministic layouts, and high-quality output across CLI, SVG, terminal, and WASM targets

• astro-huge-doc

  github · Free · by MicroWebStacks

  Browse your huge markdown as a website with file tree and outline, in a VSCode extension, on GitHub Pages or running as a local server. Render diagrams, Math, OKF parsing and more