Pencil Project Pencil is a standalone app or Firefox extension that lets you create diagrams or UI mockups. It doesn't have collaboration/multi-user features. The Pencil... Free Open Source Mac OS X Windows Linux PortableApps.com Electron / Atom Shell ... Firefox Cliparts Firefox extension Wireframing Add a feature 317 Like
Dia Dia is a GTK+ based diagram creation program for Linux, Unix, Mac OS X and Windows released under the GPL license. Dia is roughly inspired by the commercial Windows... Free Open Source Mac OS X Windows Linux PortableApps.com FreeBSD ... Xfce DragonFly BSD NetBSD OpenBSD Lightweight WYSIWYG Support Add a feature 382 Like Discontinued No new versions since 2011. Last release, 0.97.2, can be still downloaded from the official website.
yEd Graph Editor yEd is a powerful diagram editor that can be used to quickly create diagrams manually or import external data for analysis and auto-magically arrange even large data... Free Mac OS X Windows Linux Web BSD Excel import Class Diagrams Component Diagrams ER Diagrams ... Flow diagram visualisation Portable Sequence Diagrams Add a feature 353 Like
XMind XMind is a brainstorming and mind mapping application. It provides a rich set of different visualization styles, and allows sharing of created mind maps via their... Freemium $ $ $ Mac OS X Windows Linux Web iPhone ... iPad No features added Add a feature 314 Like
LibreOffice - Draw Draw lets you produce anything from a quick sketch to a complex plan, and gives you the means to communicate with graphics and diagrams. With a maximum page size of... Free Open Source Mac OS X Windows Linux BSD PortableApps.com Portable Export to PDF Add a feature 199 Like
PlantUML PlantUML is an open-source tool that uses simple textual descriptions to draw UML diagrams. The generator can be run anywhere within JVM and integrated with various... Free Open Source Mac OS X Windows Linux Web Android ... Chrome OS Create UML entities Portable Text Based Format VCS Friendly Add a feature 74 Like
Graphviz Graphviz is open source graph visualization software. It has several main graph layout programs. It also has web and interactive graphical interfaces, and auxiliary... Free Open Source Mac OS X Windows Linux Web SVG Support Add a feature 56 Like
Gephi Gephi is an open-source software for visualizing and analyzing large networks graphs. . Free Open Source Mac OS X Windows Linux Exploration Interactive Graph Exploration Add a feature 39 Like
Edraw Max Creating flowcharts, organizational charts, business diagrams, science illustration, network diagrams, mind map and lots more. Free Examples Download. Commercial Mac Windows Linux Real time collaboration Export to PDF Add a feature 34 Like
Umbrello Umbrello UML Modeller is a Unified Modelling Language diagram programme for KDE. UML allows you to create diagrams of software and other systems in a standard format. Free Open Source Mac OS X Windows Linux No features added Add a feature 29 Like
Lovely Charts Browser based Chart and Diagram tool. Requires sign up. Free account allows one diagram to be saved. Very easy to use, professional looking. Main advantage is... Commercial Mac OS X Windows Linux Web iPad No features added Add a feature 17 Like
ProcessOn Free html-5 based on-line diagrams design, an ideal tool for visual communication . Free Mac OS X Windows Linux Web Chrome OS Team Collaboration Add a feature 14 Like
MagicDraw MagicDraw is an award-winning business process, architecture, software and system modeling tool with teamwork support. MagicDraw UML can do comprehensive UML... Commercial Mac OS X Windows Linux No features added Add a feature 6 Like
IYOPRO IYOPRO, Improve your Processes, is a professional online BPM and workflow system that utilizes the BPMN 2.0 standard. Run it in less than one minute - without... Freemium Mac OS X Windows Linux Web No features added Add a feature 7 Like
Creately Online diagramming tool with built in productivity features to create diagrams faster. Draw flowcharts, mind maps, org charts, network diagrams, Venn diagrams and... Freemium Mac OS X Windows Linux Web Android ... iPhone ER Diagrams Real time collaboration Export to PDF Svg export ... Team Collaboration Add a feature 93 Like
