Alternatives

Calendar alternatives for AI agents.

Compare similar skills by workflow fit, trust score, quality, GitHub adoption, maintenance, and install readiness.

Current skill

Calendar

A lightweight and elegant React/Vue/Angular/Svelte full calendar(big-calendar) component

80
Quality
83
Trust
772
Stars
#1

React Calendar

Similarity 129Trust 87Excellent 100

Ultimate calendar for your React app.

3.8K starsJul 27, 2026 pushproductivity-automationTypeScriptCalendar
$ npx skills add wojtekmaj/react-calendar
#2

Cal Heatmap

Similarity 120Trust 88Excellent 97

Cal-Heatmap is a javascript charting library to create a time-series calendar heatmap

3.1K starsJul 20, 2026 pushproductivity-automationTypeScriptCalendar
$ npx skills add wa0x6e/cal-heatmap
#3

Leantime

Similarity 117Trust 90Excellent 100

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

10K starsJun 14, 2026 pushproductivity-automationPHPCalendar
$ npx skills add Leantime/leantime
#4

Next AI Draw Io

Similarity 111Trust 90Excellent 100

A next.js web application that integrates AI capabilities with draw.io diagrams. This app allows you to create, modify, and enhance diagrams through natural language commands and AI-assisted visualization.

32K starsJun 16, 2026 pushproductivity-automationTypeScriptProductivity
$ npx skills add DayuanJiang/next-ai-draw-io
#5

Excalidraw

Similarity 111Trust 88Excellent 100

Virtual whiteboard for sketching hand-drawn like diagrams

125K starsJun 16, 2026 pushproductivity-automationTypeScriptProductivity
$ npx skills add excalidraw/excalidraw
#6

Novu

Similarity 110Trust 85Excellent 100

The open-source communication infrastructure for agents and products

39K starsJun 16, 2026 pushproductivity-automationTypeScriptEmail
$ npx skills add novuhq/novu
#7

React Email

Similarity 110Trust 88Excellent 100

💌 Build and send emails using React

19K starsJun 12, 2026 pushproductivity-automationTypeScriptEmail
$ npx skills add resend/react-email
#8

Vicinae

Similarity 110Trust 86Excellent 99

A focused launcher for your desktop - native, fast, extensible

8.1K starsJun 15, 2026 pushproductivity-automationC++Productivity
$ npx skills add vicinaehq/vicinae
#9

Drawnix

Similarity 110Trust 90Excellent 100

开源白板工具(SaaS),一体化白板,包含思维导图、流程图、自由画等。All in one open-source whiteboard tool with mind, flowchart, freehand and etc.

14K starsJun 16, 2026 pushproductivity-automationTypeScriptProductivity
$ npx skills add plait-board/drawnix
#10

Claudian

Similarity 109Trust 90Excellent 100

An Obsidian plugin that embeds Claude Code/Codex as an AI collaborator in your vault

13K starsJun 12, 2026 pushproductivity-automationTypeScriptProductivity
$ npx skills add YishenTu/claudian
#11

LifeOS

Similarity 109Trust 87Excellent 100

Agentic AI Infrastructure for magnifying HUMAN capabilities.

16K starsMay 20, 2026 pushproductivity-automationTypeScriptProductivity
$ npx skills add danielmiessler/LifeOS
#12

Personal AI Infrastructure

Similarity 109Trust 87Excellent 100

Agentic AI Infrastructure for magnifying HUMAN capabilities.

16K starsMay 20, 2026 pushproductivity-automationTypeScriptProductivity
$ npx skills add danielmiessler/Personal_AI_Infrastructure
#13

Notesnook

Similarity 109Trust 88Excellent 100

A fully open source & end-to-end encrypted note taking alternative to Evernote.

14K starsJun 16, 2026 pushproductivity-automationTypeScriptProductivity
$ npx skills add streetwriters/notesnook
#14

Zero

Similarity 109Trust 90Excellent 100

Experience email the way you want with Mail0 – the first open source email app that puts your privacy and safety first. Join the discord: https://mail0.link/discord

11K starsMay 26, 2026 pushproductivity-automationTypeScriptEmail
$ npx skills add Mail-0/Zero
#15

Inbox Zero

Similarity 109Trust 87Excellent 100

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

11K starsJun 15, 2026 pushproductivity-automationTypeScriptProductivity
$ npx skills add elie222/inbox-zero
#16

Logto

Similarity 109Trust 86Excellent 100

🧑‍🚀 Authentication and authorization infrastructure for SaaS and AI apps, built on OIDC and OAuth 2.1 with multi-tenancy, SSO, and RBAC.

12K starsJun 16, 2026 pushproductivity-automationTypeScriptEmail
$ npx skills add logto-io/logto

How 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 Calendar if it already passes your workflow test and repository review.

Next step

Compare top candidates side by side

Open the compare page, test the install commands in a sandbox, and check each repository before using a skill in production.