#1
Virtual whiteboard for sketching hand-drawn like diagrams
125K starsJun 16, 2026 pushproductivity-automationTypeScriptProductivity
$ npx skills add excalidraw/excalidrawAlternatives
Online alternatives for AI agents.
Compare similar skills by workflow fit, trust score, quality, GitHub adoption, maintenance, and install readiness.
Current skill
Online
Issue tracker only. Active development is on Gerrit at https://gerrit.collaboraoffice.com/.
96
Quality
83
Trust
3.3K
Stars
#2
A fully open source & end-to-end encrypted note taking alternative to Evernote.
14K starsJun 16, 2026 pushproductivity-automationTypeScriptProductivity
$ npx skills add streetwriters/notesnook#3
:mag: Quick file search & app launcher for Windows with community-made plugins
15K starsJun 15, 2026 pushproductivity-automationC#Productivity
$ npx skills add Flow-Launcher/Flow.Launcher#4
🙃 A delightful community-driven (with 2,500+ contributors) framework for managing your zsh configuration. Includes 300+ optional plugins (rails, git, macOS, hub, docker, homebrew, node, php, python, etc), 140+ themes to spice up your morning, and an auto-update tool that makes it easy to keep up with the latest updates from the community.
188K starsJun 15, 2026 pushproductivity-automationShellProductivity
$ npx skills add ohmyzsh/ohmyzsh#5
A community Bash framework.
15K starsJun 2, 2026 pushproductivity-automationShellProductivity
$ npx skills add Bash-it/bash-it#6
CLI and local web plain text note‑taking, bookmarking, and archiving with linking, tagging, filtering, search, Git versioning & syncing, Pandoc conversion, + more, in a single portable script.
8.2K starsJun 13, 2026 pushproductivity-automationShellProductivity
$ npx skills add xwmx/nb#7
The classic email sending library for PHP
22K starsJun 6, 2026 pushproductivity-automationPHPEmail
$ npx skills add PHPMailer/PHPMailer#8
💌 Build and send emails using React
19K starsJun 12, 2026 pushproductivity-automationTypeScriptEmail
$ npx skills add resend/react-email#9
MJML: the only framework that makes responsive-email easy
18K starsJun 12, 2026 pushproductivity-automationJavaScriptEmail
$ npx skills add mjmlio/mjml#10
A Cloudflare-based email service | 基于 Cloudflare 的邮箱服务 | Cloudflare Email 邮箱 Mail
11K starsJun 9, 2026 pushproductivity-automationJavaScriptEmail
$ npx skills add maillab/cloud-mail#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
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#13
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#14
✉️ Send e-mails with Node.JS – easy as cake!
18K starsJun 15, 2026 pushproductivity-automationJavaScriptEmail
$ npx skills add nodemailer/nodemailer#15
Low code web framework for real world applications, in Python and Javascript
10K starsJun 16, 2026 pushproductivity-automationPythonEmail
$ npx skills add frappe/frappe#16
The best free and open-source automated time tracker. Cross-platform, extensible, privacy-focused.
19K starsAug 6, 2026 pushproductivity-automationPythonProductivity
$ npx skills add ActivityWatch/activitywatchHow 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 Online 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.