#1
A date and time library based on the C++11/14/17 <chrono> header
3.4K starsApr 16, 2026 pushproductivity-automationC++Calendar
$ npx skills add HowardHinnant/dateAlternatives
Synchro alternatives for AI agents.
Compare similar skills by workflow fit, trust score, quality, GitHub adoption, maintenance, and install readiness.
Current skill
Synchro
🕰️ Synchro: Timezone-typesafe date and time framework for Go. 🌟 Star to support our work!
64
Quality
78
Trust
273
Stars
#2
A datetime library for Rust that encourages you to jump into the pit of success.
2.8K starsJun 21, 2026 pushproductivity-automationRustCalendar
$ npx skills add BurntSushi/jiff#3
A simple, semantic and developer-friendly time package for golang
5.2K starsJun 12, 2026 pushproductivity-automationGoCalendar
$ npx skills add dromara/carbon#4
A datetime picker for your React app.
582 starsJun 2, 2026 pushproductivity-automationTypeScriptCalendar
$ npx skills add wojtekmaj/react-datetime-picker#5
Date and time library for Rust
3.9K starsJun 17, 2026 pushproductivity-automationRustCalendar
$ npx skills add chronotope/chrono#6
Complex period comparisons
1.7K starsJun 2, 2026 pushproductivity-automationPHPCalendar
$ npx skills add spatie/period#7
一款被广泛使用的高级 Web 日历组件，完全开源无偿且颜值与功能兼备，足以应对日期相关的各种业务场景
1.1K starsMar 31, 2023 pushproductivity-automationJavaScriptCalendar
$ npx skills add layui/laydate#8
Go (golang) calendar library for dealing with holidays and work days
403 starsJun 5, 2026 pushproductivity-automationGoCalendar
$ npx skills add rickar/cal#9
The mobile-friendly, responsive, and lightweight jQuery date & time input picker.
7.7K starsJul 14, 2023 pushproductivity-automationJavaScriptCalendar
$ npx skills add amsul/pickadate.js#10
The Vanilla Calendar Pro is a versatile JavaScript date and time picker component with TypeScript support, making it compatible with any JavaScript frameworks and libraries. It is designed to be lightweight, easy to use, and feature-rich, without relying on external dependencies.
1.1K starsFeb 1, 2026 pushproductivity-automationTypeScriptCalendar
$ npx skills add uvarov-frontend/vanilla-calendar-pro#11
Exchange calendars to use with pandas for trading applications
973 starsMay 27, 2026 pushproductivity-automationPythonCalendar
$ npx skills add rsheftel/pandas_market_calendars#12
A dead simple Go library for sending notifications to various messaging services.
3.7K starsJun 15, 2026 pushproductivity-automationGoEmail
$ npx skills add nikoksr/notify#13
Robust and type-safe date and time calculations for Swift
2.3K starsOct 26, 2024 pushproductivity-automationSwiftCalendar
$ npx skills add davedelong/time#14
Ultimate calendar for your React app.
3.8K starsJun 2, 2026 pushproductivity-automationTypeScriptCalendar
$ npx skills add wojtekmaj/react-calendar#15
🔥 Feature-rich interactive Jira command line.
5.7K starsJan 20, 2026 pushproductivity-automationGoProductivity
$ npx skills add ankitpokhrel/jira-cli#16
PHP's time range API
733 starsApr 19, 2026 pushproductivity-automationPHPCalendar
$ npx skills add thephpleague/periodHow to choose
When should you switch?
Use an alternative when it has a clearer install path, higher trust score, fresher maintenance, or better platform fit for your current agent stack. Keep Synchro if it already passes your workflow test and repository review.
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Open the compare page, test the install commands in a sandbox, and check each repository before using a skill in production.