Kroki
(Free, Open Source, Diagram as code, Ease of use - Easy, Visual Appearance - Flexible). Examples - Link
In 2 lists
(Free, Open Source, Diagram as code, Ease of use - Easy, Visual Appearance - Flexible). Examples - Link
Awesome Diagramming
A curated collection of diagramming tools used by leading software engineering teams
This page lists names, links and short descriptions. The original list on GitHub is the source and belongs to its authors.
General Purpose (flexible for all kinds of diagrams)
Mermaid
(Free, Open Source, Diagram as code, Ease of use - Easy, Visual Appearance - Modern). Examples - Link
In 3 lists
Eraser.io
(Freemium, Closed Source, Hand drawn, Ease of use - Easy, Visual Appearance - Modern). Examples - Link
Excalidraw
(Freemium, Open Source, Hand drawn, Ease of use - Easy, Visual Appearance - Hand-drawn). Examples - Link
In 8 listsDetails
PlantUML
(Free, Open Source, Diagram as code, Ease of use - Intermediate, Visual Appearance - Outdated) Examples - Link, Link
In 3 lists
Draw.io
(Free, Open Source (But Closed To Contribution), Hand drawn, Ease of use - Moderate, Visual Appearance - Modern). Examples - Link
In 2 lists
Nomnoml
(Free, Open Source, Diagram as code. Ease of use - Easy, Visual Appearance - Minimalistic). Examples - Link
In 2 lists
Diagram.codes
(Freemium, Closed Source, Diagram as code, Ease of use - Easy, Visual Appearance - Outdated). Examples - Link
In 2 lists
Lucidchart
(Paid, Closed Source, Hand drawn, Ease of use - Easy, Visual Appearance - Modern). Examples - Link
In 7 listsDetails
Blockdiag
(Free, Open Source, Diagram as code, Ease of use - Easy, Visual Appearance - Outdated). Examples - Link
System Architecture Diagram
Diagrams
(Free, Open Source, Ease of use - Easy, Visual Appearance - Modern). Examples - Link
Terrastruct
(Paid, Closed Source, Ease of use - Easy, Visual Appearance - Modern) Examples - Link
In 2 lists
IcePanel
(Paid, Closed Source, Hand drawn, Ease of use - Easy, Visual Appearance - Modern) Examples - Link
Lucidscale
(Paid, Closed Source, Ease of use - Intermediate, Visual Appearance - Modern). Examples - Link
Sequence Diagram
Swimlanes
(Free, Closed Source, Ease of use - Easy, Visual Appearance - Modern) Examples - Link
In 2 lists
Database Schema Diagram
DbDiagram
(Freemium, Closed Source, Ease of use - Easy, Visual Appearance - Modern) Examples - Link
In 3 lists
Azimutt
(Free, Open Source, Ease of use - Easy, Visual Appearance - Modern). Examples - Link
In 3 lists
QuickDBD
(Free, Closed Source, Ease of use - Easy, Visual Appearance - Modern). Examples - Link
Gantt Chart
Markwhen
(Free, Open Source, Ease of use - Easy, Visual Appearance - Minimalist) Examples - Link
In 2 lists
Other good curated collections of diagramming tools
https://github.com/sw-yx/spark-joy/blob/master/README.md#diagramming
Add design flair, user delight, and whimsy to your product.
In 2 lists
In 2 lists
Related lists in Miscellaneous
See category94
Awesome OpenClaw Skills
VoltAgent/awesome-openclaw-skills
The awesome collection of OpenClaw skills. 5,400+ skills filtered and categorized from the official OpenClaw Skills Registry.๐ฆ
92
Awesome DeepSeek Harness (DSH) Plugin
awesome-dsh-plugin/awesome-dsh-plugin
A curated list of plugins for DeepSeek Harness (dsh) ยท DeepSeek Harness ๆไปถ็ฒพ้ๅ่กจ
91
Awesome Guidelines
Kristories/awesome-guidelines
Programming style, best practices, and coding conventions.
90
Awesome
sindresorhus/awesome
๐ Awesome lists about all kinds of interesting topics [NOTE: Pull requests are temporarily disabled until I have a chance to catch up with the existing ones]
90
Awesome Prompts
ai-boost/awesome-prompts
Curated list of chatgpt prompts from the top-rated GPTs in the GPTs Store. Prompt Engineering, prompt attack & prompt protect. Advanced Prompt Engineering papers.
90
Awesome README
matiassingers/awesome-readme
A curated list of awesome READMEs