Cal.com is the modern open-source alternative to Calendly, offering unlimited event types, white-label branding, and self-hosted privacy.
Excalidraw is an open-source virtual whiteboard ideal for collaborative sketching among remote teams and designers.
Not suitable for organizations requiring extensive integrations or advanced project management capabilities
| Pricing | Free | Free |
|---|---|---|
| Free Trial | ✗ No | ✓ Yes |
| User Rating | 4.8/5 (1.4K) | 4.8/5 (3.5K) |
| Open Source | ✓ Yes | ✓ Yes |
| Category | Productivity | Productivity |
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