The Holy Bible
This is a pdf of the Douay-Rheims Bible- a direct translation from the Latin Vulgate.
The link below is another online biblical resource from the USCCB.
This resource is an integrated, hyperlinked collection of the five historic catechisms of the Catholic Church which offer answers to questions on the deposit of the faith. The catechisms are presented in historical order. First, the Catechetical Instructions of St. Thomas Aquinas, an introductory work the great saint preached during Lent in 1273. Second, the Catechism of the Council of Trent, first released in 1566 in the wake of the Protestant Reformation (this catechism is known as the Roman Catechism or the Catechism of St. Pius V). Third, the Baltimore Catechism, first relased in 1891. Fourth, the Catechism of St. Pius X. Fifth and finally, the Catechism of the Catholic Church, first relased in 1992 and is the current teaching standard of the Church.
A Simple Prayer Rule
This document is provided by Matt Fradd, creator of "Pints with Aquinas," an apologetics apostalte that tries to answer questions about the Catholic faith from a Thomistic understanding. His example of a prayer rule reflects the Church's tradition of marking the day with prayer. You could utilize these prayers as your own prayer rule, or as an example to create your own.
Stations of the Cross
This meditation on the Passion and Death of Jesus includes prayer and commentary from saints, Doctors of the Church, and modern theologians who wish for you to encounter the Incarnated Christ in His most vulnerable moments.
Virtues and Vices
This document provides an exhaustive list of the moral, theological, and intellectual virtues and their contrarian vices. This is a wonderful resource for an examination of conscience before the Sacrament of Confession, or for your own edification.
Institute of Catholic Culture
This website offers free courses/lectures/live events on topics ranging from theology to philosophy to catechesis. All content is created and taught in accordance with the Magisterium and by reputable professors, priests, and lay persons educated in the Catholic and Orthodox traditions.
Theology of the Body
This pdf document is a compilation of the General Audiences Pope St. John Paul II held from 1979-1984 on the redemption the body and the sacramentality of marriage. This is a great read for those taking the Theology of the Body course, engaged, newlyweds, married, and anyone with questions on the Church's position of sexual ethics.
Introduction to Catholic Morality
This resource is presented by the Knights of Columbus and offers a brief introduction to the essence of Catholic Morality and how Catholics should live.
This website contains links for hundreds of reprinted books/meditations/commentaries/sermons on theological and spiritual topics from the saints, Doctors of the Church, mystics, and other holy men and women. Through the generous donations of faithful Catholics around the world, all of these works are free of charge for the spiritual benefits of the reader.