bunkat/later

Health v2 · maintenance only

Flags: no_releases

Adoption not part of the score

2406 stars · 240 forks observed · 2026-08-28

What it is AI-extracted, prompt v1, taxonomy v1, 2026-08-30, confidence not recorded

Later is a zero-dependency JavaScript library for defining recurring schedules and calculating their future or past occurrences. Schedules can be built via a chainable API, Cron expressions, or English text expressions, and work in both Node and the browser.

Use cases

• calculate next occurrences of a recurring schedule in javascript
• parse cron expressions and compute future run times
• define schedules like '2nd Tuesday of every month at 4am'
• convert english phrases like 'every 5 mins' into schedules
• compute past occurrences of a recurring event
• build composite schedules with exceptions in node or browser

When to choose

• you need to compute occurrences of complex recurring schedules (not fire them)
• you want cron parsing plus flexible constraints like nth weekday or month exceptions
• you need a small, dependency-free library that works in Node and the browser
• you need serializable schedule definitions to store in a database

When to avoid

• you just need to run tasks on a timer - use a cron scheduler or job runner instead
• you need a maintained library with active bug fixes and security updates
• you need timezone-aware scheduling
• your project requires long-term support

Facets

library · maturity abandoned

scheduling parser date-time developer-tools browser cross-platform recurring-schedules cron schedule-parser no-dependencies unmaintained automation algorithms nodejs javascript

Member repositories

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