Tool 4 sources
Draw.Io
Create professional diagrams online or offline with security-first approach. No registration needed. Works with Google Drive, SharePoint, Atlassian, and more.
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Microsoft Visio
A curated collection of the best open source alternatives to Microsoft Visio. Each listing includes a website screenshot along with a detailed review of its features.
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Excalidraw
Excalidraw is a virtual whiteboard tool that allows teams to easily create and share sketches with a unique hand-drawn aesthetic.
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Tldraw
Create, collaborate, and brainstorm instantly with this free virtual whiteboard. No signup needed. Works seamlessly on mobile, tablet, and desktop devices.
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drawDB
Free online database diagram editor with SQL generation. Create ER diagrams, visualize relationships, export scripts, and reverse engineer schemas - no signup required.
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