Tools › draw.io (diagrams.net)
draw.io (diagrams.net)
By draw.io Ltd / JGraph Ltd
Category: design-diagramming
Pricing: open-source-free
Free plan: Available
Free-plan limits: Free forever, no sign-up required, no feature paywall or enterprise-only tier; open source under Apache 2.0. diagrams.net now redirects to drawio.com.
Best for: No-cost, no-account technical and flowchart diagramming that saves directly to Google Drive, OneDrive, or local files; popular for engineering/IT documentation.
Checked when listed: against the vendor's own page
Automated re-check: 10/5/2026, 12:59:58 AM
Official resources
Links to draw.io Ltd / JGraph Ltd's own pages. Each one was checked before it was listed here.
Other design diagramming tools
Balsamiq
Deliberately low-fidelity wireframing that keeps stakeholders focused on structure/flow rather than visual polish, used heavily in early product/UX work.
Cacoo
Team diagramming (flowcharts, wireframes, network diagrams) with tight integration into Nulab's Backlog/Cacoo suite for dev teams.
Free/freemiumCoggle
Lightweight mind maps and flowcharts for note-taking, brainstorming, and simple process diagrams.
Free/freemiumCreately
Visual collaboration combining diagramming with structured data (linked shapes/databases) for planning and process mapping.
Free/freemiumExcalidraw
Quick sketch-style diagrams and whiteboards embedded in docs/apps; favored by developers for its open-source, hand-drawn aesthetic.
Free/freemiumFigma
UI/UX design and prototyping, plus FigJam for lightweight diagramming/whiteboarding alongside product design work.
Free/freemium