Below are some websites we find helpful. We hope you might also.
Desiring God - John Piper's ministry with years of sermons and articles
Gospel in Life - The resource site for Redeemer Presbyterian Church, Redeemer City to City, and Timothy Keller.
Strands of Thought - Blog of Greg Strand, Director of Biblical Theology and Credentialing for the EFCA
New City Catechism - A 52 question catechism that covers the basics of the Christian faith.