Skill comparison
Use this as a shortlist, then open the skill detail page before adopting.
Decision summary
Strongest overall
Thunderbird Android
Use this as a leading candidate, then validate the README and install path in your own agent stack.
Fastest prototype
Thunderbird Android
Best first install candidate based on install readiness and adoption.
Freshest repo
React Calendar
Most recent maintenance signal among this shortlist.
| Signal | Kalendar Kalendar is no ordinary library — it’s the Elder Wand of calendar components, crafted for Compose (now with KMP support) sorcerers who demand both power and elegance. With the flick of your wrist (or a few lines of Kotlin), you conjure a magical, interactive calendar that bends to your will. With Kalendar, your app becomes as organized as Hermione | Thunderbird Android Thunderbird for Android – Open Source Email App for Android (fka K-9 Mail) | Leantime Leantime is a goals focused project management system for non-project managers. Building with ADHD, Autism, and dyslexia in mind. | React Calendar Ultimate calendar for your React app. |
|---|---|---|---|---|
| Quality | 77/100 Strong | 100/100 Excellent | 100/100 Excellent | 100/100 Excellent |
| Decision verdict | 88/100 Production-ready Use this as a leading candidate, then validate the README and install path in your own agent stack. | 100/100 Production-ready Use this as a leading candidate, then validate the README and install path in your own agent stack. | 100/100 Production-ready Use this as a leading candidate, then validate the README and install path in your own agent stack. | 100/100 Production-ready Use this as a leading candidate, then validate the README and install path in your own agent stack. |
| Adoption | 919 stars Verified outcomes are shown on each skill page | 14K stars Verified outcomes are shown on each skill page | 10K stars |
| 3.8K stars Verified outcomes are shown on each skill page |
| Freshness | Apr 13, 2026 | Jun 16, 2026 | Jun 14, 2026 | Jul 27, 2026 |
| Use-case fit |
| Workflow fit |
| Platform hints | Kotlin, Calendar, Claude Code | Kotlin, Email, Claude Code | PHP, Calendar, Claude Code | TypeScript, Calendar, Claude Code |
| Warnings | No OpenAgentSkill engagement data yet | No OpenAgentSkill engagement data yet | No OpenAgentSkill engagement data yet | No OpenAgentSkill engagement data yet |
| Best for | Browser automation workflows · Claude Code teams · teams that value GitHub adoption signals | Workflow automation workflows · Claude Code teams · teams that value GitHub adoption signals | Workflow automation workflows · Claude Code teams · teams that value GitHub adoption signals | Workflow automation workflows · Claude Code teams · teams that value GitHub adoption signals |
| Not ideal for | teams that need a vendor-supported SLA · high-compliance environments without internal security review | teams that need a vendor-supported SLA · high-compliance environments without internal security review | teams that need a vendor-supported SLA · high-compliance environments without internal security review | teams that need a vendor-supported SLA · high-compliance environments without internal security review |
| OpenAgentSkill engagement | 0 views 0 install copies | 0 views 0 install copies | 0 views 0 install copies | 0 views 0 install copies |
| Install | $ npx skills add hi-manshu/kalendar | $ npx skills add thunderbird/thunderbird-android | $ npx skills add Leantime/leantime | $ npx skills add wojtekmaj/react-calendar |