Apache is a free and open-source cross-platform web server software.
Gridsome is a free and open-source Vue-powered static site generator for building static websites.
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.
Ubuntu is a free and open-source operating system on Linux for the enterprise server, desktop, cloud, and IoT.
Vue.js is an open-source model–view–viewmodel JavaScript framework for building user interfaces and single-page applications.