Apache is a free and open-source cross-platform web server software.
JavaScript library for formatting input text content when you are typing.
Google Tag Manager is a tag management system (TMS) that allows you to quickly and easily update measurement codes and related code fragments collectively known as tags on your website or mobile app.
JSDelivr is a free public CDN for open-source projects. It can serve web files directly from the npm registry and GitHub repositories without any configuration.
Optimizely is an experimentation platform that helps developers build and run A/B tests on websites.