osx - Is there any good free tool for the mac, to draw UML

http://stackoverflow.com/questions/812586/is-there-any-good-free-tool-for-the-mac-to-draw-uml-and-object-diagrams

https://www.draw.io/

http://yuml.me/diagram/scruffy/class/draw

Class Diagram Samples

Class

<img src="http://yuml.me/diagram/scruffy/class/[User]" >

Simple Association

<img src="http://yuml.me/diagram/scruffy/class/[Customer]->[Billing Address]" >

Cardinality

<img src="http://yuml.me/diagram/scruffy/class/[Customer]1-0..*[Address]" >

Directional Association

<img src="http://yuml.me/diagram/scruffy/class/[Order]-billing >[Address], [Order]-shipping >[Address]" >

Splash of Colour And UTF-8

<img src="http://yuml.me/diagram/scruffy/class/[❝Customer❞{bg:orange}]❶- ☂>[Order{bg:green}]" >

Aggregation

<img src="http://yuml.me/diagram/scruffy/class/[Company]<>-1>[Location], [Location]+->[Point]" >

Composition

<img src="http://yuml.me/diagram/scruffy/class/[Company]++-1>[Location]" >

Notes

<img src="http://yuml.me/diagram/scruffy/class/[Customer]<>1->*[Order], [Customer]-[note: Aggregate Root{bg:cornsilk}]" >

Inheritance

<img src="http://yuml.me/diagram/scruffy/class/[Wages]^-[Salaried], [Wages]^-[Contractor]" >

Interface Inheritance

<img src="http://yuml.me/diagram/scruffy/class/[<<ITask>>]^-.-[NightlyBillingTask]" >

International Characters

<img src="http://yuml.me/diagram/scruffy/class/[日本語]->[Köttbullar]" >

Dependencies

<img src="http://yuml.me/diagram/scruffy/class/[HttpContext]uses -.->[Response]" >

Interface

<img src="http://yuml.me/diagram/scruffy/class/[<<IDisposable>>;Session]" >

Class with Details

<img src="http://yuml.me/diagram/scruffy/class/[User|+Forename+;Surname;+HashedPassword;-Salt|+Login();+Logout()]" >

Something Meaty!

<img src="http://yuml.me/diagram/scruffy/class/[note: You can stick notes on diagrams too!{bg:cornsilk}],[Customer]<>1-orders 0..*>[Order], [Order]++*-*>[LineItem], [Order]-1>[DeliveryMethod], [Order]*-*>[Product], [Category]<->[Product], [DeliveryMethod]^[National], [DeliveryMethod]^[International]" >