ApPHP Calendar - ApPHP Calendar is a PHP calendar script that may be easily integrated and used with various PHP projects, such as schedulers, event, etc.
Book Like A Boss - The Easy Way to Schedule Appointments and Sell Your Products & Services.
Availability Booking Calendar PHP - PHP Availability Booking Calendar is open source php booking system for online reservations.
Revv Online Fundraising Platform - Revv is the fundraising platform that raises organizations more money.
Time Slot Booking Calendar PHP - Time Slots Booking Calendar PHP for online appointment booking and class scheduling.
MarketPress - MarketPress is the best free eCommerce plugin available for WordPress.