Top 20 Alternatives to Conceptboard in CAD / Design Collaboration Software

Versatile online whiteboard with robust design templates, real‑time co‑editing, and integrations for CAD file previews.

Collaborative visual workspace geared toward design thinking, with sticky notes, diagramming, and support for large design files.

Cloud‑based UI/UX design tool that enables simultaneous editing, component libraries, and developer hand‑off for design systems.

Design and prototyping platform with real‑time co‑editing, auto‑animation, and integration with Creative Cloud assets.

Mac‑only UI design app offering shared libraries, real‑time collaboration via Sketch Cloud, and seamless hand‑off to developers.

Digital product design suite with collaborative prototyping, feedback boards, and version control for design assets.

Diagramming and flowchart tool that supports CAD file import, real‑time collaboration, and extensive shape libraries.

Online brainstorming and visual collaboration platform with sticky notes, drawings, and the ability to attach CAD PDFs.

PDF creation, markup, and collaboration suite tailored for architecture, engineering, and construction (AEC) workflows.

Cloud‑based construction management platform offering design coordination, issue tracking, and model viewing for Revit and Navisworks.

Full‑cloud CAD system with real‑time part and assembly editing, version control, and built‑in collaboration tools.

Integrated CAD, CAM, and CAE platform with cloud collaboration, design reviews, and shared project spaces.

SolidWorks design suite extended with cloud collaboration, data management, and real‑time review capabilities.

Secure cloud storage and version control for CAD files, with commenting, markup, and team collaboration features.

Collaboration hub for construction and design teams, supporting BIM models, clash detection, and issue tracking.

3D modeling tool with web‑based collaboration via SketchUp for Web, shared scenes, and comment threads.

Vector design suite offering cloud storage, shared libraries, and real‑time feedback through CorelDRAW.app.

Graphic design platform with collaborative editing, brand kits, and the ability to import/export design assets.

Lightweight online whiteboard with infinite canvas, real‑time drawing, and support for image and PDF uploads.

Visual board for creative projects, allowing designers to organize mood boards, sketches, and design references together.