1.excalidraw / excalidraw
Virtual whiteboard for sketching hand-drawn like diagrams
+1,867 stars
from 133,115 · score 7.53
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2.DayuanJiang / next-ai-draw-io
Draw and edit draw.io diagrams by chatting with an AI. Web app, desktop app, and an MCP server for Claude Code, Cursor, Codex and VS Code.
+545 stars
from 35,999 · score 6.30
3.mermaid-js / mermaid
Generation of diagrams like flowcharts or sequence diagrams from text in a similar manner as markdown
+514 stars
from 90,451 · score 6.24
4.AykutSarac / jsoncrack.com
✨ Innovative and open-source visualization application that transforms various data formats, such as JSON, YAML, XML and CSV into interactive graphs.
+173 stars
from 44,420 · score 5.16
5.hedgedoc / hedgedoc
HedgeDoc - Ideas grow better together
+51 stars
from 7,451 · score 3.95
6.keadex / keadex
Monorepo containing Keadex applications and libraries.
+1 stars
from 203 · score 0.69