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30 projects tagged “calendar” that gained the most stars yesterday
#102 · +286 · 1d ·GitHub

The Everything Project is an effort to rebuild and open-source the world’s software from scratch. From Office to Slack and Photoshop to AutoCAD, we are recreating free, open-source alternatives to all proprietary software.

Creator
HeyPuter
Size
414.4 MB
Stars
2.2K
Updated
CommitOct 18
Age
5d
Commits · 90 Days
#285 · +108 · 1d ·GitHub

> dev is the default branch and gets the newest changes first. Use main if you want the more curated branch.

Size
36.7 MB
Stars
93.8K
Updated
CommitOct 16
Age
4mo
Commits · 90 Days
#594 · +49 · 1d ·GitHub

SwiftUI and AppKit, zero third-party dependencies, no Electron and no telemetry. It also runs real Raycast extensions, rendered as native SwiftUI. Free, open source, and staying that way.

Creator
abue-ammar
Size
71.3 MB
Stars
8.7K
Age
3mo
Commits · 90 Days
#681 · +42 · 1d ·GitHub

WARNING] > Use at your own risk. diy instance. It is strictly recommended for personal, non-production use.

Creator
calcom
Size
1.1 GB
Stars
49.1K
Age
5y
Commits · 90 Days
#981 · +28 · 1d ·GitHub

A personal agent with a browser, terminal, files, and work that keeps going built with CopilotKit and AG-UI.

Creator
CopilotKit
Size
47.9 MB
Stars
5.2K
Updated
CommitOct 06
Age
1mo
Commits · 90 Days
#1385 · +18 · 1d ·GitHub

Leantime is a goals focused project management system for non-project managers. Building with ADHD, Autism, and dyslexia in mind.

Creator
Leantime
Size
249.1 MB
Stars
11.9K
Age
11y
Commits · 90 Days
#1543 · +16 · 1d ·GitHub

Penguin Mail is mail and calendar for Linux. com, Hotmail, Live and Microsoft 365) and any IMAP and SMTP account, such as Fastmail, iCloud and Yahoo, and finds the server settings for you.

Creator
c9dev
Size
29.4 MB
Stars
478
Age
29d
Commits · 90 Days
#1600 · +15 · 1d ·GitHub

The world's best AI personal assistant for email. Open source app to help you reach inbox zero fast.

Creator
elie222
Size
117.5 MB
Stars
12.6K
Age
3y
Commits · 90 Days
#1700 · +14 · 1d ·GitHub

IMPORTANT] > We don't have an Apple Developer account (yet 👀), so macOS will warn you that Boring Notch is from an unidentified developer on first launch. This is expected behavior. > > You'll need to bypass this before the app will open.

Size
7.1 MB
Stars
11.1K
Age
2y
Commits · 90 Days
#2434 · +8 · 1d ·GitHub

The official Lark/飞书 CLI tool, maintained by the larksuite team — built for humans and AI Agents. Covers core business domains including Messenger, Docs, Base, Sheets, Calendar, Mail, Tasks, Meetings, and more, with 200+ commands and 20+ AI Agent Skills.

Creator
larksuite
Size
141.5 MB
Stars
17.7K
Age
6mo
Commits · 90 Days
#2527 · +8 · 1d ·GitHub

Built from the ground up for speed. Flectar Mail delivers native performance, instant startup, and as little as 90 MB of RAM.

Creator
flectar
Size
140.2 MB
Stars
1.4K
Age
1mo
Commits · 90 Days
#2536 · +8 · 1d ·GitHub

Built with plain JavaScript ES modules and CSS, bundled by Vite. There is no UI framework and no runtime dependency.

Creator
gr8rstudio
Size
0.7 MB
Stars
848
Updated
CommitOct 07
Age
11d
Commits · 90 Days
#3001 · +6 · 1d ·GitHub

Sapphire is a sleek notch app that displays current activities neatly around the notch on newer MacBooks. It also includes a suite of convenient features, from nearby share compatibility for easy file transfers to a versatile window snapping system.

Creator
cshariq
Size
264.5 MB
Stars
328
Age
11mo
Commits · 90 Days
#3294 · +5 · 1d ·GitHub

Laya is an open-source, local-first AI notification command center that aggregates Slack, Gmail, GitHub, Jira, Notion, Outlook, Calendar (and more) notifications using local LLMs via Ollama and LM Studio. Supports cloud models via BYOK.

Creator
aayushch
Size
162.5 MB
Stars
709
Age
5mo
Commits · 90 Days
#3866 · +3 · 1d ·GitHub

The FullCalendar Standard Bundle is easier to install than individual plugins, though filesize will be larger. It works well with a CDN.

Size
34.8 MB
Stars
20.7K
Age
16y
Commits · 90 Days
#4163 · +3 · 1d ·GitHub

Built by a PhD whose memory was failing, whose diet was a mess, and whose anxiety had its own agenda. Most second brain tools ignore the fact that your brain doesn't work in isolation: your body and your mental health are part of the system too.

Creator
gnekt
Size
0.5 MB
Stars
3.9K
Updated
CommitJun 27
Age
6mo
Commits · 90 Days
#4246 · +3 · 1d ·GitHub

Self-hosted, Gmail-style mail client. Multi-account IMAP, threaded conversations, real-time push via IMAP IDLE + Mercure. Built with Symfony, FrankenPHP, Hotwire Turbo.

Creator
karatektus
Size
31.9 MB
Stars
336
Updated
CommitOct 17
Age
3mo
Commits · 90 Days
#4944 · +2 · 1d ·GitHub

该项目包含15个核心功能模块、内置的共读间与一个可安装的桌面 APP(观影室),以及2套视觉主题,支持同时对接多个 AI 模型。

Creator
Sui-IB
Size
25.3 MB
Stars
433
Updated
CommitOct 18
Age
2mo
Commits · 90 Days
#5389 · +1 · 1d ·GitHub

flatpickr provides more functionality at a fraction of the size of other libraries.

Creator
flatpickr
Size
7.7 MB
Stars
16.5K
Age
11y
Commits · 90 Days
#5609 · +1 · 1d ·GitHub
archived

> 🍞📅 A JavaScript calendar that is full featured. Now your service just got the customizable calendar.

Creator
nhn
Size
77.1 MB
Stars
12.7K
Age
9y
Commits · 90 Days
#5811 · +1 · 1d ·GitHub

A set of Ansible playbooks to build and maintain your own private cloud: email, calendar, contacts, file sync, IRC bouncer, VPN, and more.

Creator
sovereign
Size
1 MB
Stars
10.6K
Updated
CommitMar 25
Age
13y
Commits · 90 Days
#5865 · +1 · 1d ·GitHub

List of "only yours" cloud services for everyday needs :blackflag:

Creator
Atarity
Size
2.2 MB
Stars
10.1K
Updated
CommitOct 17
Age
7y
Commits · 90 Days
#6094 · +1 · 1d ·GitHub

A 2007 Nokia can't search Google anymore, so I gave it Claude, ChatGPT, Gemini and Grok. J2ME app for Nokia S40/S60 + tiny Go server.

Creator
emir
Size
14.8 MB
Stars
351
Age
22d
Commits · 90 Days
#6110 · +1 · 1d ·GitHub

Your mail as a native Omarchy window — not a browser tab.

Creator
huacnlee
Size
11.5 MB
Stars
300
Age
1mo
Commits · 90 Days
#6200 · +1 · 1d ·GitHub

An SVG week calendar for Emacs, backed by Org files. Drag to create, move and resize; a read-only day strip for Org Agenda.

Creator
Gleek
Size
2.8 MB
Stars
186
Updated
CommitOct 13
Age
1mo
Commits · 90 Days
#7221 · +0 · 1d ·GitHub

An easily internationalizable, mobile-friendly datepicker library for the web

Size
37.9 MB
Stars
12.2K
Updated
CommitJan 26
Age
10y
Commits · 90 Days
#7556 · +0 · 1d ·GitHub

A fully customizable iOS calendar library, compatible with Objective-C and Swift

Creator
WenchaoD
Size
2.5 MB
Stars
10.6K
Age
11y
Commits · 90 Days
#7633 · +0 · 1d ·GitHub

> ### Official documentation > > This README provides basic examples of how to get started with react-native-calendars. For detailed information, refer to the official documentation site.

Creator
wix
Size
19.2 MB
Stars
10.3K
Age
9y
Commits · 90 Days
#8509 · +0 · 1d ·GitHub

Turn a jailbroken Kindle into a low-power wall display that renders any PNG you serve it. Manual plus the KUAL client I run on mine.

Creator
jstriblet
Size
0.4 MB
Stars
126
Updated
CommitSep 04
Age
1mo
Commits · 90 Days
#8521 · +0 · 1d ·GitHub

A lean, self-hostable scheduling engine that lives in your AI stack.

Creator
Calnode
Size
2.8 MB
Stars
118
Age
3mo
Commits · 90 Days