A curated list of awesome Catholic projects, libraries and software.
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- london-confessions - A web app listing Roman Catholic confession times in Central London (Zone 1). Updated weekly by AI.
- liturgical-calendar-mcp - A MCP (Model Context Protocol) server that will allow AI agents to interact with the Liturgical Calendar API.
- sanctum-ipsum - The holiest lorem ipsum generator on the internet. Use online, or with API.
- geomesse-api - Get mass time in your country.
- tamil-bible-database - Tamil Bible Database in MySQL with PHP API.
- church-calendar-api - RESTful API providing Roman Catholic church calendar data for your apps.
- Liturgical Calendar - A PHP script that will generate the liturgical calendar for any given year, based on the General Roman Calendar, calculating the mobile festivities and the precedence of solemnities, feasts, and memorials.
- AELF - A French API for the Liturgy of the Hours.
- liturgia-diaria - An API for the daily readings in Portuguese.
- Biblia-Sacra-Vulgata - Biblia Sacra Vulgata is a RESTful API project primarily serving the Original Latin Vulgate ( ✝️ Biblia Sacra Vulgata) and its English Translation - Catholic Public Domain Version (CPDV) with study notes.
- MotivationalAPI - Help people overcome their problems with catholic and secular motivational phrases.
- matosSoaresBibliaApi - API to access verses from the Vulgate Sisto-Clementina translated by Father Matos Soares into Portuguese.
- caminho-api - A public API, built with Python and FastAPI, that serves the 999 points of the book "The Way" by Saint Josemaria Escrivá in portuguese.
- Lectionary - A beautifully designed app to view daily readings in different languages. Can export JSON to create booklets for Nightfever Leuven.
- gregorio - Software application for engraving Gregorian Chant scores on a computer.
- lectionarium - A tool for studying Ecclesiastical Latin.
- calrom - Liturgical calendar (Ordinary Form).
- vul - Latin Vulgate Bible on the Command Line.
- agape-deus - Daily Catholic Readings in your terminal.
- sacra-scriptura - Read the bible in your terminal.
- vul-dra - Side by side translation of the Latin Vulgate and the Douay Rheims bible.
- christian-fortune - Classic
fortunecommand, with a Christian twist.
- AquinasOperaOmnia - The full works of St. Thomas Aquinas.
- romanus - The entire Roman Catechism of the Council of Trent.
- vulgata - The Holy Bible with both the Douay-Rheims English and Clementina Vulgata Latin texts.
- catechism-ccc-json - The Catechism of the Catholic Chruch in JSON.
- pytholic - Catholic-themed python package.
- cardinals - The list of all Roman Catholic Cardinals in json format.
- romcal - The Liturgical Calendar used by the Roman Rite (Western Church) for Node JS v6 and above.
- roman calendar - Roman Catholic Liturgical Calendar Generator.
- graduale-romanum-1908 - 1908 Vatican Edition Graduale Romanum retypeset in Gregorio 4.
- catholicism-in-json - The Catechism of the Catholic Church, The Canon Law, and The General Instruction of The Roman Missal in usable JSON format.
- focus-study - A collection of FOCUS Bible studies in booklet format.
- Baltimore Catechism #2 - Baltimore Catechism No. 2 in JSON.
- St. Pius X Catechism - Catechism of St. Pius X frontend.
- liberius.net - Catholic books, articles and documents.
- St. Isidore e-book library - Collection of Catholic e-books.
- Catholic Hierarchy - Current and historical information about the Bishops and Dioceses of the Catholic Hierarchy around the world.
- Catholic Lectionary on ESP8266 - The Roman Catholic Lectionary, Liturgical Calendar and Feast Days on ESP8266 with Waveshare 2.7" or 4.2" red/black display, generic SD card reader and DS3231 clock IC.
- Catholic Diocese App (Android) - A Catholic diocese app for android.
- Catholic Diocese App - iOS - A Catholic diocese app for iOS.
- St. Andrew Novena Mobile App - Flutter app to count daily recitations of the St. Andrew novena prayer, 15 times daily.
- Mariam - Meditative rosary app that enables believers to pray the Rosary.
- Prayer Book - Mobile app with catholic prayers.
- Rosarium - Multilingual rosary app.
- Lectio.nvim - Neovim plugin to practice lectio divina.
- missal.io - A Catholic Sunday hand missal web app for the Traditional Latin Mass.
- divinum-officium - The traditional divine office.
- Catholic Daily Readings - Fetches Daily Mass Readings from EWTN API, Daily Catholic Prayers and Know your Faith; includes Catholic prayers.
- Citation Generator - Create quotes from Saints, the Bible or any based author.
- theocrone - A calendar for the Tridentine rite. Demo at http://theochrone.fr.
- Easter dates - Distribution of Easter per Date Across Years, visualized.
- Confessit - A Progressive Web App designed to help Roman Catholics prepare for the sacrament of confession by examining their conscience.
- Ember Days - Display the Ember Days for a given year.
- Pray the Rosary - A Progressive Web App designed to help Roman Catholics pray the Rosary. Demo at https://prayrosary.netlify.app/.
- Oficjum - A Progressive Web App that provides daily liturgical texts for the Liturgy of the Hours in Polish. Demo at https://oficjum.starokatolicy.eu/.
- Rosarium - Web application designed to help Catholics pray the Holy Rosary in Latin in an interactive and immersive way through 3D models of Catholic churches generated through photogrammetry. Demo: https://leozamboni.github.io/Rosarium/.
- Rezo de los Mil Jesús - Web application to assist in the devotion of Los Mil Jesús.
- Domus - Web application designed to visit churches around the world through 3D models generated by photogrammetry. Demo: https://leozamboni.github.io/Domus/.
- Missale Meum - 1962 Roman Catholic Missal for the Traditional Latin Mass.
- US Diocese Mapper - Create interactive and static maps of Latin Rite Catholic dioceses, provinces, and cathedrals within the United States.
- Code of Canon Law - The Code of Canon Law, with searching capability.
- Catechism - The Catechism of the Catholic Church, modernised ⭐️⛪️.
- TradCatholicQuotes - Traditional Catholic quote collection about the fewness of the saved, the rosary, and the use of Latin.
- auxilium-christianorum - Unofficial frontend for the daily Auxilium Christianorum prayers for the laity.
- catholic-bible-cheatsheet - Digital reference for the Catholic Bible Cheatsheet from Dr. Taylor Marshall with Bible verses.
- St Michael Chaplet - Chaplet of Saint Michael the Archangel.
- random-bible-verses - Requests and displays random passages from a Bible api.
- doctors of the church - A gallary list of all 37 Doctors of the Church with descriptions and notable works.
- GregoSearch - A modern and powerful search interface for GregoBase, one of the largest databases of Gregorian chant scores.
- JGABC Chant Tools - Tools for gregorian chants, including mass propers.
- Index Librorum Prohibitorum - Site to consult the Index Librorum Prohibitorum, books a Catholic should read with caution. Demo at https://leozamboni.github.io/index-librorum-prohibitorum/.
- Awesome Bible - A curated list of awesome resources and websites about the Bible and topics related to it.
- Awesome Theology - A curated list of open source software for Catholic theology.
- Awesome Church Calendar - List of software related to liturgical calendar computations.