Office · paid tool
Microsoft Visio alternatives
Diagramming tool for flowcharts, org charts, and process maps.
Free alternatives
Highest score first. The score weighs licence openness, repository activity, traction, feature coverage, and cost; factors without data are left out and the rest are reweighted.
diagrams.net
Ranking score 96.8/100
Browser diagram editor for flowcharts, networks, and org charts.
- Licence
- Apache-2.0
- Platforms
- web, macos, windows, linux, self-hosted
- Self-hostable
- Yes
- Repo activity
- Last release October 23, 2026
- GitHub stars
- 9,000
- Last verified
- October 24, 2026
Why this rank
Score breakdown for diagrams.net Factor Points Weight Licence opennessApache-2.0 licence (open); self-hostable 25 25% Repository activityLast activity 2 day(s) before 2026-10-26 25 25% Popularity9000 GitHub stars 16.8 20% Feature coverage6 of 6 curated capability tags covered 20 20% Costfree pricing model 10 10% Points add up to the score. Factors without data are left out and the remaining weights are renormalised.
Excalidraw
Ranking score 93.3/100
Hand-drawn style whiteboard for sketches, diagrams, and workshops.
- Licence
- MIT
- Platforms
- web, self-hosted
- Self-hostable
- Yes
- Repo activity
- Last release April 21, 2026
- GitHub stars
- 134,592
- Last verified
- October 24, 2026
Why this rank
Score breakdown for Excalidraw Factor Points Weight Licence opennessMIT licence (open); self-hostable 25 25% Repository activityLast activity 0 day(s) before 2026-10-26 25 25% Popularity134592 GitHub stars 20 20% Feature coverage4 of 6 curated capability tags covered 13.3 20% Costfree pricing model 10 10% Points add up to the score. Factors without data are left out and the remaining weights are renormalised.
LibreOffice Draw
Ranking score 74.2/100
Vector drawing and PDF editing bundled with the office suite.
- Licence
- MPL-2.0
- Platforms
- macos, windows, linux
- Self-hostable
- No
- Repo activity
- Not available
- Last verified
- October 24, 2026
Why this rank
Score breakdown for LibreOffice Draw Factor Points Weight Licence opennessMPL-2.0 licence (open); not self-hostable 31.8 45.5% Repository activityNo repository metadata; activity unavailable (not enough data) — 0% PopularityNo repository metadata; traction unavailable (not enough data) — 0% Feature coverage8 of 12 curated capability tags covered 24.2 36.4% Costfree pricing model 18.2 18.2% Points add up to the score. Factors without data are left out and the remaining weights are renormalised.