We reviewed 8 alternatives to Capacities. Pricing verified March 2026. No sponsored placements.
Common reasons people switch from Capacities:
From Free · Best for Developers wanting quick, informal technical diagr
From $7/user/mo (Business Starter) · Best for Startups and remote teams wanting cloud-native pro
From $6/user/mo (Business Basic) · Best for Enterprises and teams needing desktop Office apps
Excalidraw is a free, open-source whiteboard tool that makes diagrams look hand-drawn. Used by developers for quick architecture diagrams and technical sketches. Works right in the browser.
Miro is an infinite canvas for brainstorming, wireframing, sprint planning, and workshops. 60M+ users rely on it for visual collaboration, making it the dominant whiteboard tool..
Channels, threads, huddles, 2000+ integrations. AI summaries..
| Capacities | Excalidraw | Miro | Slack | |
|---|---|---|---|---|
| Price | $8.99/mo | Free | $8/member/mo | $8.75/user/mo (Pro) |
| Free Tier | ✕ | ✓ | ✓ | ✓ |
| Rating | ★ 4.7 | ★ 4.7 | ★ 4.7 | ★ 4.7 |
| Verdict | Recommended | Best Free Whiteboard | Best Collaborative Whiteboard | Recommended |
| API | ✕ | ✓ | ✓ | ✓ |
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