South Africa Archives and Libraries
National Archives and Record Service
The National Archives and Records Service (NARS) provides for the management and care of the government records and for the preservation and use of a national archival heritage.
This online resource provides a National Automated Archival Information Retrieval System which contains records of genealogical value.
University College London - Legacies of British Slave-ownership - a database of those paid after being forced to free slaves in 1833. Although the site refers to "British Slave Ownership", searching the database shows all claims by residents of the South Africa cape colony.