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Top 23 JavaScript Calendar Projects
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Project mention: How to Stream Live Forex Rates to Google Sheets API: A Complete Guide | dev.to | 2026-05-23
Apps Script is the bridge between your sheet and any REST endpoint. The official Apps Script documentation walks through the basics, and the minimal flow is short:
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react-infinite-calendar
✨ Infinite scrolling date-picker built with React, with localization, range selection, themes, keyboard support, and more.
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calendar
Full-sized drag & drop JavaScript event calendar with resource & timeline views (by vkurko)
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Add to Calendar Button
Reliably create beautiful Add to Calendar Buttons, where people can add events to their calendars. Without the hustle and unsupported cases.
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DuckieTV
A web application built with AngularJS to track your favorite tv-shows with semi-automagic torrent integration
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TimeOff.Management
Simple yet powerful absence management software for small and medium size business (community edition)
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linked
🧾 Daily journaling without distraction. An easy, distraction-free way to record your thoughts, declutter your mind and keep the things you want to remember. Join the discord at https://discord.gg/uNjJzZvccr
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Obsidian-Tasks-Calendar
A custom view build with Obsidian-Dataview to display tasks from Obsidian-Tasks and from your daily notes in a highly customisable calendar with a wide variety of views
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manage-my-damn-life-nextjs
Manage My Damn Life (MMDL) is a self-hosted frontend for managing your CalDAV tasks and calendars.
NOTE:
The open source projects on this list are ordered by number of github stars.
The number of mentions indicates repo mentiontions in the last 12 Months or
since we started tracking (Dec 2020).
JavaScript Calendar discussion
JavaScript Calendar related posts
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I built an unofficial Google Calendar desktop widget — works on Windows, Mac, and Linux
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Does Apps Script need CI/CD? — What happens after your scripts multiply.
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SimpleCalendarJS – lightweight vanilla JavaScript calendar (no dependencies)
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Ask HN: How do you employ LLMs for UI development?
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Pikaday: A friendly guide to front-end date pickers
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[Side Project] Maroik: Modern ASP.NET Core 9.0 CMS with Full-Stack Features
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DHTMLX Scheduler 7.0 with Customizable Themes, New Dark Theme, Google-Like Agenda View, and New Tooltip API
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A note from our sponsor - SaaSHub
www.saashub.com | 5 Jun 2026
Index
What are some of the best open-source Calendar projects in JavaScript? This list will help you:
| # | Project | Stars |
|---|---|---|
| 1 | bootstrap-datepicker | 12,659 |
| 2 | react-dates | 12,212 |
| 3 | daterangepicker | 10,992 |
| 4 | pickadate.js | 7,673 |
| 5 | apps-script-samples | 5,174 |
| 6 | react-infinite-calendar | 4,023 |
| 7 | rome | 2,907 |
| 8 | air-datepicker | 2,857 |
| 9 | fullcalendar-react | 2,455 |
| 10 | calendar | 2,220 |
| 11 | Add to Calendar Button | 1,474 |
| 12 | github-spray | 1,457 |
| 13 | DuckieTV | 1,189 |
| 14 | calendar | 1,137 |
| 15 | laydate | 1,104 |
| 16 | TimeOff.Management | 1,035 |
| 17 | linked | 998 |
| 18 | react-native-calendar-strip | 977 |
| 19 | Obsidian-Tasks-Calendar | 937 |
| 20 | CalendarPicker | 819 |
| 21 | AgenDAV | 792 |
| 22 | react-timeline-gantt | 586 |
| 23 | manage-my-damn-life-nextjs | 571 |
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