Best Flowcharts

Online diagramming application.

Key draw.io features:

Free User-Friendly Interface Collaboration Integrations

Open Source

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.

Key LucidChart features:

User-Friendly Interface Collaboration Features Integration Capabilities Template Library

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.

Key yEd features:

User-Friendly Interface Versatile Diagram Types Automatic Layouts Cross-Platform

PlantUML is an open-source tool that uses simple textual descriptions to draw UML diagrams.

Key PlantUML features:

Simple Syntax Quick Diagram Creation Version Control Friendly Integrations

Open Source

Simplify and communicate complex information using data-linked diagrams.

Key Visio features:

Integration with Microsoft Ecosystem Wide Range of Templates and Shapes Cloud-Based Collaboration Robust Data Linking

OmniGraffle is for creating precise graphics like website wireframes, an electrical system designs, or mapping out software class.

Key OmniGraffle features:

User-friendly Interface Advanced Diagram Tools Cross-Platform Support Integration Capabilities

Dia is a GTK+ based diagram creation program for GNU/Linux, MacOS X, Unix, and Windows, and is released under the GPL license.

Key Dia features:

Open Source Cross-Platform Versatile Diagram Types Customizable Toolset

Graphviz is open source graph visualization software. It has several main graph layout programs.

Key Graphviz features:

Automated Layout Customization Versatility Integrations

StarUML.

Key StarUML features:

User-Friendly Interface Cross-Platform Support Extensibility Wide Range of Diagram Types

A JavaScript 3D library which makes WebGL simpler.

Key Three.js features:

Ease of Use Cross-Browser Compatibility Comprehensive Documentation Integration with HTML and CSS

Open Source

Gephi is an open-source software for visualizing and analyzing large networks graphs.

Key Gephi features:

User-friendly Interface Interactive Visualization Extensive Plugins High Performance

Open Source

Gliffy is a powerful HTML5 online diagram maker. Create a flow chart, network diagram, UML diagram, organizational chart or wireframe with ease.

Key Gliffy features:

User-Friendly Interface Collaboration Features Variety of Templates Integration with Other Tools

Excalidraw is a whiteboard tool that lets you easily sketch diagrams that have a hand-drawn feel to them.

Key Excalidraw features:

User-Friendly Interface Real-Time Collaboration Free to Use Open Source

Open Source freemium $7.0 / Monthly