19.3KGitHub
OPENAGENTSKILL / DIRECTORY
AI Agent Skills
Find a skill for your next task. Explore tools for Codex, Claude Code, Cursor and more.
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65–80 / 375
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Candidates in this shortlist, not the full registry. GitHub stars belong to repositories, not individual skills.
Results: 375
Mjml
mjmlio
MJML: the only framework that makes responsive-email easy
Productivity AutomationSkill source unconfirmed
18.1KGitHub
Retype
retypeapp
Retype is an ultra-high-performance static site generator that builds a website based on simple text files. Made in Canada 🇨🇦.
Productivity AutomationSkill source unconfirmed
1.3KGitHub
Mailspring
Foundry376
:love_letter: A beautiful, fast and fully open source mail client for Mac, Windows and Linux.
Productivity AutomationSkill source unconfirmed
17.6KGitHub
Nodemailer
nodemailer
✉️ Send e-mails with Node.JS – easy as cake!
Productivity AutomationSkill source unconfirmed
17.6KGitHub
Socialscan
iojw
Python library for accurately querying username and email usage on online platforms
Productivity AutomationSkill source unconfirmed
1.8KGitHub
LifeOS
danielmiessler
Agentic AI Infrastructure for magnifying HUMAN capabilities.
Productivity AutomationSkill source unconfirmed
16KGitHub
Personal AI Infrastructure
danielmiessler
Agentic AI Infrastructure for magnifying HUMAN capabilities.
Productivity AutomationSkill source unconfirmed
16KGitHub
Archivy
archivy
Archivy is a self-hostable knowledge repository that allows you to learn and retain information in your own personal and extensible wiki.
Productivity AutomationSkill source unconfirmed
3.3KGitHub
Mailinabox
mail-in-a-box
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.
Productivity AutomationSkill source unconfirmed
15.3KGitHub
BillionMail
Billionmail
BillionMail gives you open-source MailServer, NewsLetter, Email Marketing — fully self-hosted, dev-friendly, and free from monthly fees. Join the discord: https://discor…
Productivity AutomationSkill source unconfirmed
15.1KGitHub
15.1KGitHub
Flow.Launcher
Flow-Launcher
:mag: Quick file search & app launcher for Windows with community-made plugins
Productivity AutomationSkill source unconfirmed
15KGitHub
Notesnook
streetwriters
A fully open source & end-to-end encrypted note taking alternative to Evernote.
Productivity AutomationSkill source unconfirmed
14.2KGitHub
Drawnix
plait-board
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.
Productivity AutomationSkill source unconfirmed
14.1KGitHub
Thunderbird Android
thunderbird
Thunderbird for Android – Open Source Email App for Android (fka K-9 Mail)
Productivity AutomationSkill source unconfirmed
13.6KGitHub