#1
Virtual whiteboard for sketching hand-drawn like diagrams
125K starsJun 16, 2026 pushproductivity-automationTypeScriptProductivity
$ npx skills add excalidraw/excalidrawAlternatives
React Native Calendars alternatives for AI agents.
Compare similar skills by workflow fit, trust score, quality, GitHub adoption, maintenance, and install readiness.
Current skill
React Native Calendars
React Native Calendar Components 🗓️ 📆
100
Quality
89
Trust
10K
Stars
#2
💌 Build and send emails using React
19K starsJun 12, 2026 pushproductivity-automationTypeScriptEmail
$ npx skills add resend/react-email#3
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#4
Omnivore is a complete, open source read-it-later solution for people who like reading.
16K starsMar 26, 2026 pushproductivity-automationTypeScriptProductivity
$ npx skills add omnivore-app/omnivore#5
Agentic AI Infrastructure for magnifying HUMAN capabilities.
16K starsMay 20, 2026 pushproductivity-automationTypeScriptProductivity
$ npx skills add danielmiessler/LifeOS#6
Agentic AI Infrastructure for magnifying HUMAN capabilities.
16K starsMay 20, 2026 pushproductivity-automationTypeScriptProductivity
$ npx skills add danielmiessler/Personal_AI_Infrastructure#7
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#8
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#9
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#10
CloudFlare free temp domain email 免费收发 临时域名邮箱 支持附件 IMAP SMTP TelegramBot
10.0K starsJun 13, 2026 pushproductivity-automationTypeScriptEmail
$ npx skills add dreamhunter2333/cloudflare_temp_email#11
Thunderbird for Android – Open Source Email App for Android (fka K-9 Mail)
14K starsJun 16, 2026 pushproductivity-automationKotlinEmail
$ npx skills add thunderbird/thunderbird-android#12
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#13
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
Tuta is an email service with a strong focus on security and privacy that lets you encrypt emails, contacts and calendar entries on all your devices.
7.7K starsJun 16, 2026 pushproductivity-automationTypeScriptEmail
$ npx skills add tutao/tutanota#15
The classic email sending library for PHP
22K starsJun 6, 2026 pushproductivity-automationPHPEmail
$ npx skills add PHPMailer/PHPMailer#16
Mail-in-a-Box helps individuals take back control of their email by defining a one-click, easy-to-deploy SMTP+everything else server: a mail server in a box.
15K starsMay 24, 2026 pushproductivity-automationPythonEmail
$ npx skills add mail-in-a-box/mailinaboxHow 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 React Native Calendars 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.