Status at console and with output to file; Status and statistics for each virtual client which are logged to file; The goal of curl-loader project is to deliver a powerful and flexible open-source software performance testing client-side solution as a real alternative to Spirent Avalanche and IXIA IxLoad. Curl-loader normally works in pair with nginx or Apache web server as the server-side. The tool is developed and maintained by Dr. Robert Iakobashvili and Michael Moser. See also Software performance testing Performance Engineering Software testing References External links Load testing tools