https://www.humanreligions.info/tags/gnosticism.html
Main page:
Gnosticism (1st-7th Century): The Birth of ChristianityHuman Truth Foundation pages (30):
Types of Christianity in History: Who Were the First Christians?, in the following sections:
St Paul - History, Biblical Epistles, Gnosticism and Mithraism, in the following sections:
Ephesians - The Epistle of St. Paul to the Ephesians: 1. An Introduction to St Paul
The Christian Holy Bible: 2.3. The Epistles of St Paul
Biblical Christianity Denies Free Will: 4.1. An Ancient Debate
Mithraism and Early Christianity: 2. Paul and Mithraism
Nothing New: Religions Evolve From Previous Religions: 5. The New Age: Old Beliefs, New Packaging
Theological Problems with Heaven, Paradise and Nirvana
Counter-Cultural and Alternative New Religious Movements: 0.1. The New Age
Modern Paganism (Neopaganism): 3.2. The New Age
Romans - The Epistle of St. Paul to the Romans
1 Corinthians - The 1st Epistle of St. Paul to the Corinthians
Review of 'The Jesus Mysteries' by Timothy Freke and Peter Gandy
Galatians - The Epistle of St. Paul to the Galatians: 1. An Introduction to St Paul's Letters
Philippians - The Epistle of St. Paul to the Philippians
Colossians - The Epistle of St. Paul to the Colossians: 2. An Introduction to St Paul
1 Thessalonians - The 1st Epistle of St. Paul to the Thessalonians: 1. An Introduction to St Paul
2 Thessalonians - The 2nd Epistle of St. Paul to the Thessalonians: 1. An Introduction to St Paul
1 Timothy - The 1st Epistle of St. Paul to Timothy: 1. An Introduction to St Paul
2 Timothy - The 2nd Epistle of St. Paul to Timothy: 1. An Introduction to St Paul
Titus - The Epistle of St. Paul to Titus: 1. An Introduction to St Paul
Philemon - The Epistle of St. Paul to Philemon
Theosophy: 1. Practices and Beliefs
Causes of Belief in the Afterlife and Differences Across Religions and Cultures: 3. Heaven
Liberals and Academics Understand Scripture Better Than Believers: 2. Hylics and Simpletons
2 Corinthians - The 2nd Epistle of St. Paul to the Corinthians
Not from the Human Truth Foundation, but still relevant (5):
Moojan Momen's 8 Pathways to Religious Experience: Categorizing Satanism: 1.7. Gnosticism (3/5)
Satanism as a Mystery Religion: 1.1. Outer and Inner Mysteries
Satanic Union of Gnostic Eidolon and Daemon using Belial
The New Age and Satanism: 1. A Brief Introduction to the New Age
Righteous Satan Theologies: When Satan is Good: 2.3. Classical Gnosticism