You will need version 4 or higher of `firefox` https://www.mozilla.org/firefox
to run Pencil as a Firefox Extension. Linux users will need version 4 or higher of either `firefox`, `iceweasel` or `xulrunner` https://developer.mozilla.org/en-US/docs/Mozilla/Projects/XULRunner,
or version 25 or higher of `palemoon` https://www.palemoon.org/.
The Windows installer and OS X archive has everything you need built-in. Windows, Linux, OS X & Firefox Packages are available for download from the Releases Page https://github.com/prikhi/pencil/releases.
You can also install the Firefox Add-on from the Mozilla Add-on Repository https://addons.mozilla.org/en-US/firefox/addon/pencil-prototyping/.
To install the OS X package, unzip the archive and copy the `Pencil.app` folder t
You can think of Neo4j as a high-performance graph engine with all the features of a mature and robust database.
tags: graphs graph-visualizationContent management system and web-based Rapid Application Development environment based on the graph database Neo4J. A commercial hosted version is also available at structr.com.
tags: cms graph-database rapid-application-developmentNetworkX is a Python language software package for the creation, manipulation, and study of the structure, dynamics, and functions of complex networks.
tags: drawing graph-drawing graphics graphs pythonGraph Engine is a distributed, in-memory, large graph processing engine.
tags: graph-database