Compare the Top Diagram Software for Linux as of December 2025

What is Diagram Software for Linux?

Diagram software allows users to visually represent data, processes, and ideas through various types of diagrams. These tools offer an intuitive interface that helps users drag and drop elements, easily connecting shapes, text, and images to create meaningful visual representations. Many diagramming applications come with templates and pre-designed components to speed up the creation process, allowing users to focus on customization. Collaboration features are often included, enabling teams to work together in real-time or asynchronously. Popular diagram software options are used across a wide range of industries, from project management to software design, helping streamline communication and decision-making. Compare and read user reviews of the best Diagram software for Linux currently available using the table below. This list is updated regularly.

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    Cloudairy

    Cloudairy

    Cloudairy

    Cloudairy is a modern collaboration platform that simplifies the way teams visualize, share, and manage information. Designed for distributed teams and dynamic workflows, Cloudairy offers seamless cloud-based collaboration with real-time editing, version control, and secure sharing capabilities. Whether you're building flowcharts, documents, or templates, Cloudairy brings clarity to complexity and keeps your workspaces organized and actionable. Trusted by agile teams and professionals across industries, Cloudairy accelerates productivity through intuitive tools and deep integration with your favorite cloud services. From brainstorming to delivery, we help you work faster, communicate clearly, and scale effortlessly. Start collaborating with Cloudairy today — where your ideas take flight.
    Starting Price: $8/month
  • 2
    Heptabase

    Heptabase

    Heptabase

    Heptabase empowers you to visually make sense of your learning, research, and projects. To truly make sense of what you've learned, visualize your notes with whiteboards, sections, and mindmaps. Bring all your highlights, annotations, PDFs, journals, and research notes together to discover new insights. Manage complex projects with clarity and flexibility by using powerful tags and properties. And of course, full offline access with blazing-fast speed. Sync and access your notes across unlimited desktop devices, mobile devices, and web browsers. Access all notes and files without an internet connection. Search, load, and edit your notes with blazing-fast speed. Heptabase is a visual note-taking software specifically designed to help you learn and research complex topics, establishing a deep understanding of things you care about. The design of Heptabase focuses on helping you better "understand the topics you care about," rather than simply "taking more notes."
    Starting Price: $8.99 per month
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