A repository of experimentally verified anticancer peptides (ACPs) and anticancer proteins. Data were manually collected from published research articles, patents and from other databases. A user-friendly web interface has been designed to query the database. Various tools have been integrated, which facilitate data retrieval, search and analysis conveniently. The mobile version of this database can be accessed at http://crdd.osdd.net/raghava/cancerppd/mobile/cancerppd/.