Best Flowcharts in 2026

Online diagramming application.

Key draw.io features:

Free User-Friendly Interface Collaboration Integrations

Open Source

AI study tools that generate mindmaps, spaced-repetition flashcards, and 3D memory palaces from your notes. Built-in rich text editor, Pomodoro timer, and colored noise.

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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

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

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

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

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

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

Key Graphviz features:

Automated Layout Customization Versatility Integrations

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 / Monthly

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

From Idea to Execution - 10x Faster with AI Diagrams.

Key Creately features:

User-Friendly Interface Collaboration Features Template Library Integrations

freemium $5 / Monthly (Unlimited canvases and items)

Fast and flexible WebGL-based HTML5 game and app development library.

Key PixiJS features:

Performance Cross-Platform Rich Features Ease of Use

Open Source