Redeemer’s Center for Faith and Work
If you only want to bookmark one site, we’d recommend this one. You can even find a few short online courses that they offer here: https://equip.faithandwork.com/library
Christianity Today: Redeeming Work
Amongst other good resources, this includes a great video series for small group interaction.
Good collection of resources and different topics like ethics and evangelism
Theology of Work Project
Good systematic theology on topics related to Faith and Work, if you want to see how the Bible addresses specific topics. Also very practical resources and devotional material
The High Calling
Daily blog about work, life and God
Exploring topics of culture, faith, work and the church. They look at specific cultural issues as well as different vocational fields.
Blog posts on Helping Leaders Flourish in their Work and Life
Christian Worldview Integration Series
Books for various vocations and how to think biblically about them
Every Good Endeavor: Connecting Your Work to God’s Work
God at Work: Your Christian Vocation in All of Life
Gene Edward Veith Jr