Akismet is a service that filters spam from comments, trackbacks, and contact form messages.
Amazon Advertising (formerly AMS or Amazon Marketing Services) is a service that works in a similar way to pay-per-click ads on Google.
Apache is a free and open-source cross-platform web server software.
Bluehost is a large web host known for its WordPress expertise, variety of “one-stop-shop” services, and bargain prices.
Gravatar is a service for providing globally unique avatars.
PayPal is an online payments system that supports online money transfers and serves as an electronic alternative to traditional paper methods like checks and money orders.
WordPress is a free and open-source content management system written in PHP and paired with a MySQL or MariaDB database. Features include a plugin architecture and a template system.