AI Agent Skills

:postbox: Gmail desktop app for macOS, Windows & Linux (formerly Gmail Desktop)

Generate add to calendar links for Google, iCal and other calendar systems

A date and time library based on the C++11/14/17 <chrono> header

Papercut SMTP -- The Simple Desktop Email Server

:love_letter: An extensible desktop mail app built on the modern web. Forks welcome!

A flexible calendar component for angular 20.2+ that can display events on a month, week or day view.

Open-source customer engagement. Automate transactional and marketing messages across email, SMS, mobile push, WhatsApp, Slack, and more 📨

📅 Calendar for Apple platforms in Swift

Notifications for Ruby on Rails applications

Automatically downloads, installs, and deploys genuine Windows and Office with one click. This tool is completely free, ad-free, green, non-toxic, simple, efficient and…

AI Marketing Suite for Claude Code. 15 marketing skills with parallel subagents — audit any website, generate copy, email sequences, ad campaigns, content calendars, com…

RecyclerView? ListView or ViewGroup? No, it's Canvas! Ultra performance and free customization interface! Vertical and horizontal, Fast rendering and extremely low memor…

OpenDesign's community-growth campaign across GitHub, Discord, and X: the loops, the content calendar, and the pipeline math. Built as a decision-grade marketing & GTM d…

A brand product-launch email — masthead with wordmark, hero image block, headline lockup with skewed-italic accent, body copy, primary CTA, and a specifications grid. Pu…

A simple python library to interact with Microsoft Graph and Office 365 API

Build an upcoming US earnings calendar with dates, timing, consensus estimates, and market-impact context.