UMLGraph
draw.io
Dia
LucidChart
yEd
OmniGraffle
UMLet
CollabNet
Python Examples
PythonAnywhere
Learn Python The Hard Way
This is a huge collection of Python Examples and Python Programs. Complete your Python Projects with the help of Python Code Examples that we present with lucid explanation.
In these Python Examples, we cover most of the regularly used Python Modules; Python Basics; Python String Operations, Array Operations, Dictionaries; Python File, Input & Output Operations; Python JSON Processing; Python GUI.
UMLGraph
Python Examplesdraw.io - Online diagramming application
PythonAnywhere - Host, run, and code Python in the cloud: PythonAnywhere
Dia - Dia is a GTK+ based diagram creation program for GNU/Linux, MacOS X, Unix, and Windows, and is released under the GPL license.
Learn Python The Hard Way - One of the best guides to learn Python & coding in general
LucidChart - LucidChart is the missing link in online productivity suites. LucidChart allows users to create, collaborate on, and publish attractive flowcharts and other diagrams from a web browser.
yEd - yEd is a free desktop application to quickly create, import, edit, and automatically arrange diagrams. It runs on Windows, Mac OS X, and Unix/Linux.