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Mattermost vs Cal.com

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

Comparison of Mattermost vs Cal.com
Criteria Mattermost
66 88.2 =
Cal.com
157 63.2 =
Score 88.2 (best) 63.2
Release freshness 100.0 (best) 48.4
Adoption signals 76.5 78.1 (best)
Release freshness
Updated 4 days ago
Stale: 203 days without a release
Latest version v10.11.24 · 2026-09-16v6.2.0 · 2026-03-01
Pricing FreeFree
License Open sourceOpen source
Platforms
Web ✓ ✓
Linux ✓ -
Self-hosted - ✓
Cloud - ✓
Features
Integrations
Rank receipt: Mattermost
#66 overall · #3 in category
88.2/100
  1. Release freshness +50.0 100.0 × 50%
  2. Adoption signals +38.2 76.5 × 50%
Data from GitHub Last sync Computed on Sponsorship weight 0%, never counted Read the full formula
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

Component values are before weighting. Read the full formula