9 Marks Ministries: An excellent site regarding the Church.
Abort 97: A wonderful pro-life ministry in South Africa.
Ekklesia Afrika: Biblical resources for building healthy churches.
Monergism: A great collection of reliable Christians resources from around the web.
New City Catechism: A great resource for learning the fundamentals of the Christian faith. Suitable for children and adults.
Sola 5: An association of likeminded churches in Southern Africa.