Dia

Dia

The Dia Developers
+
+

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About

Dia is an open-source diagramming application that allows users to create a wide range of structured diagrams such as flowcharts, network layouts, and UML designs. Compatible with Windows, Linux, and Mac OS X, Dia offers downloadable shape libraries and scripting options. It is licensed under GPLv2 and includes resources like documentation, bug trackers, and community support.

About

Slickplan helps teams & agencies bring order to complex website projects—from first ideas to production-ready deliverables. Instead of juggling docs, spreadsheets and disconnected tools, it provides one workspace to structure site architecture, map user flows, plan content and review designs collaboratively. This integrated approach means faster launches, fewer revisions, smoother handoffs to developers and stronger collaboration from planning to production. Teams can visualize navigation with interactive sitemaps, generate or refine structures using the AI sitemap assistant and connect UX diagrams to real visitor behavior. Structured content blocks, inline comments and SEO fields keep writing CMS-ready, while Figma integration simplifies design reviews and approvals. With exportable XML, Word or PDF files, version tracking and permissions control, Slickplan keeps every project clear, secure and on schedule—transforming web planning chaos into clarity. Plan websites faster, together

Platforms Supported

Windows Supported
Mac Supported
Linux Supported
Cloud Not Supported
On-Premises Not Supported
iPhone Not Supported
iPad Not Supported
Android Not Supported
Chromebook Not Supported

Platforms Supported

Windows Not Supported
Mac Not Supported
Linux Not Supported
Cloud Supported
On-Premises Not Supported
iPhone Not Supported
iPad Not Supported
Android Not Supported
Chromebook Not Supported

Audience

Dia is ideal for developers, engineers, and students who need a free, cross-platform solution for creating structured technical diagrams

Audience

Built for project managers, UX and content strategists, freelancers, agencies and enterprise teams, Slickplan is made for anyone responsible for planning, structuring and delivering websites. It helps professionals visualize information architecture, map user journeys, coordinate content and manage design feedback in one connected workspace – from solopreneurs serving clients to large, multi-stakeholder projects.

Support

Phone Support Supported
24/7 Live Support Not Supported
Online Supported

Support

Phone Support Supported
24/7 Live Support Supported
Online Supported

API

Offers API Not Supported

API

Offers API Supported

Screenshots and Videos

Screenshots and Videos

Pricing

No information available.
Free Version Not Supported
Free Trial Not Supported

Pricing

$10.79 per month
Basic - $10.79 per month
Pro - $31.49 per month
Team - $62.99 per month
Agency - $103.49 per month
Free Version Not Supported
Free Trial Supported

Reviews/Ratings

Overall 4.0 / 5
ease 5.0 / 5
features 4.0 / 5
design 4.0 / 5
support 5.0 / 5

Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

This software hasn't been reviewed yet. Be the first to provide a review:

Review this Software

Pros & Cons from Real Users

Pros

  • Great for making simple diagrams quickly. Free & open-source. Simple layout & easy to use. Multi-platform availability.

Cons

  • Outdated interface. Lacks features to build complex designs.

Training

Documentation Supported
Webinars Not Supported
Live Online Not Supported
In Person Supported

Training

Documentation Supported
Webinars Not Supported
Live Online Not Supported
In Person Not Supported

Company Information

The Dia Developers
Germany
dia-installer.de

Company Information

Slickplan
Founded: 2012
United States
slickplan.com

Alternatives

Microsoft Visio

Microsoft Visio

Microsoft

Alternatives

Astah Professional

Astah Professional

Change Vision, Inc.
Lucidchart

Lucidchart

Lucid Software
Flowdia

Flowdia

BEZAPPS
ClickCharts

ClickCharts

NCH Software
EdrawMax

EdrawMax

Wondershare

Categories

Diagram Supported
Process Mapping Supported

Categories

Diagram Supported
Process Mapping Supported
UX Supported
Website Builder Supported
Wireframe Supported

Diagram Features

Data Import / Export Not Supported
Drag & Drop Not Supported
Flowchart Supported
For Developers Not Supported
Mind Map Not Supported
Multi-User Collaboration Not Supported
Organizational Charting Supported
Templates Not Supported

Diagram Features

Data Import / Export Supported
Drag & Drop Supported
Flowchart Supported
For Developers Supported
Mind Map Supported
Multi-User Collaboration Supported
Organizational Charting Supported
Templates Supported

UX Features

Animation Not Supported
For Mobile Supported
For Websites Supported
Heatmaps Not Supported
Prototyping Supported
Screen Activity Recording Not Supported
Unmoderated Testing Not Supported
Usability Testing Supported
User Journeys Supported
User Research Not Supported

Website Builder Features

Auto Update Supported
Content Import / Export Supported
Drag & Drop Supported
Invoices Not Supported
Landing Pages / Web Forms Supported
Newsletter Management Not Supported
Online Booking Not Supported
Online Store Builder Not Supported
Pre-built Templates Supported
Real Time Editing Supported
SEO Supported
Survey Builder Supported
White Label Not Supported

Wireframe Features

Collaboration Supported
Desktop Interface Not Supported
Drag & Drop Supported
Feedback Management Supported
Interactive Elements Supported
Mobile Interface Not Supported
Mockup Creation Supported
Page Linking Supported
Presentation Tools Supported
Prototype Creation Supported
Revision History Supported
Screen Capture Not Supported
Wireframe Creation Not Supported

Integrations

Basecamp Not Supported
Drupal Not Supported
Figma Not Supported
Google Analytics Not Supported
Joomla! Not Supported
Slack Not Supported
TeamWorks Not Supported
WordPress Not Supported

Integrations

Basecamp Supported
Drupal Supported
Figma Supported
Google Analytics Supported
Joomla! Supported
Slack Supported
TeamWorks Supported
WordPress Supported
Claim Dia and update features and information
Claim Dia and update features and information
Claim Slickplan and update features and information
Claim Slickplan and update features and information