Java Calendar

Open-source Java projects categorized as Calendar

Top 16 Java Calendar Projects

  1. CalendarView

    RecyclerView? ListView or ViewGroup? No, it's Canvas! Ultra performance and free customization interface! Vertical and horizontal, Fast rendering and extremely low memory. Android上一个优雅、万能自定义UI、仿iOS、自定义动画,支持垂直、水平方向切换、支持周视图、自定义周起始、性能高效的日历控件,热插拔实现UI定制!Canvas绘制,渲染速度快、占用内存低,你真的想不到日历居然还可以如此优雅。

  2. CodeRabbit

    CodeRabbit: AI Code Reviews for Developers. Revolutionize your code reviews with AI. CodeRabbit offers PR summaries, code walkthroughs, 1-click suggestions, and AST-based analysis. Boost productivity and code quality across all major languages with each PR.

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  3. material-calendarview

    A Material design back port of Android's CalendarView

  4. Android-Week-View

    Android Week View is an android library to display calendars (week view or day view) within the app. It supports custom styling.

  5. Etar Calendar

    Android open source calendar

  6. sms-backup-plus

    Backup Android SMS, MMS and call log to Gmail / Gcal / IMAP

  7. CosmoCalendar

    📅 CosmoCalendar is a fully customizable calendar with a wide variety of features and displaying modes. (by ApplikeySolutions)

  8. CompactCalendarView

    An android library which provides a compact calendar view much like the one used in google calenders.

  9. Nutrient

    Nutrient - The #1 PDF SDK Library. Bad PDFs = bad UX. Slow load times, broken annotations, clunky UX frustrates users. Nutrient’s PDF SDKs gives seamless document experiences, fast rendering, annotations, real-time collaboration, 100+ features. Used by 10K+ devs, serving ~half a billion users worldwide. Explore the SDK for free.

    Nutrient logo
  10. Horizontal Calendar

    A material horizontal calendar view for Android based on RecyclerView

  11. Time4J

    Advanced date, time and interval library for Java with sun/moon-astronomy and calendars like Chinese, Coptic, Ethiopian, French Republican, Hebrew, Hijri, Historic Christian, Indian National, Japanese, Julian, Korean, Minguo, Persian, Thai, Vietnamese

  12. diary

    Android personal diary - forked from http://git.savannah.gnu.org/cgit/diary.git

    Project mention: Show HN: Unforget, the note-taking app I always wanted: offline first, encrypted | news.ycombinator.com | 2024-06-11
  13. CustomizableCalendar

    CustomizableCalendar is a library that allows you to create your calendar, customizing UI and behaviour

  14. Scheduler

    A small app that shows your todo list on your lockscreen (by dgudim)

  15. NoFbEventScraper

    This app scrapes Facebook event links and adds the event to your calendar.

  16. MeeRoo

    Android app to manage reservations for meeting rooms.

  17. calef

    CalEF: Create and send Appointment-Confirmation-Message from Android-Calendar-Entry.

  18. resoday

    Habit tracking calendar

  19. SaaSHub

    SaaSHub - Software Alternatives and Reviews. SaaSHub helps you find the best software and product alternatives

    SaaSHub logo
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).

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Java Calendar related posts

  • Calendar replacement

    1 project | /r/fossdroid | 6 Dec 2023
  • Is there any FOSS calendar or planner app that includes alarms?

    2 projects | /r/fossdroid | 6 Dec 2023
  • All my Open Source App Alternatives

    2 projects | /r/fossdroid | 31 Jul 2023
  • All my Open Source Android App Alternatives

    1 project | /r/foss | 31 Jul 2023
  • All my Open Source App Alternatives

    1 project | /r/freesoftware | 30 Jul 2023
  • University companion?

    4 projects | /r/fossdroid | 7 Apr 2023
  • All my Open Source App Alternatives

    2 projects | /r/foss | 29 Mar 2023
  • A note from our sponsor - Nutrient
    nutrient.io | 15 Mar 2025
    Bad PDFs = bad UX. Slow load times, broken annotations, clunky UX frustrates users. Nutrient’s PDF SDKs gives seamless document experiences, fast rendering, annotations, real-time collaboration, 100+ features. Used by 10K+ devs, serving ~half a billion users worldwide. Explore the SDK for free. Learn more →

Index

What are some of the best open-source Calendar projects in Java? This list will help you:

# Project Stars
1 CalendarView 9,217
2 material-calendarview 5,916
3 Android-Week-View 3,434
4 Etar Calendar 2,157
5 sms-backup-plus 1,828
6 CosmoCalendar 1,624
7 CompactCalendarView 1,522
8 Horizontal Calendar 1,213
9 Time4J 445
10 diary 289
11 CustomizableCalendar 218
12 Scheduler 29
13 NoFbEventScraper 28
14 MeeRoo 13
15 calef 9
16 resoday 4

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