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Cal.com vs Zulip

The best value in each numeric row is marked. Sponsorship has no effect on any of them.

Comparison of Cal.com vs Zulip
Criteria Cal.com
157 63.2 =
Zulip
102 85.2 =
Score 63.2 85.2 (best)
Release freshness 48.4 96.7 (best)
Adoption signals 78.1 (best) 73.6
Release freshness
Stale: 203 days without a release
Updated 41 days ago
Latest version v6.2.0 · 2026-03-0112.2 · 2026-08-10
Pricing FreeFree
License Open sourceOpen source
Platforms
Self-hosted ✓ ✓
Cloud ✓ ✓
Web ✓ ✓
Desktop - ✓
Mobile - ✓
Features
Integrations
Rank receipt: Cal.com
#157 overall · #8 in category
63.2/100
  1. Release freshness +24.2 48.4 × 50%
  2. Adoption signals +39.0 78.1 × 50%
Data from GitHub Last sync Computed on Sponsorship weight 0%, never counted Read the full formula
Rank receipt: Zulip
#102 overall · #6 in category
85.2/100
  1. Release freshness +48.4 96.7 × 50%
  2. Adoption signals +36.8 73.6 × 50%
Data from GitHub Last sync Computed on Sponsorship weight 0%, never counted Read the full formula

Component values are before weighting. Read the full formula