Butterfly is a timing system designed for environments in which time spent on the Internet is charged for. Using ipchains(8) firewalling software, the Butterfly daemon cooperates with a web-based administration interface and a client interface to control time spent browsing. The ISP Edition allows the creation of several 'sites' and provides detailed accounting information for all the sites included.
Butterly Personal Edition is a timing system designed for environments in which time spent on the Internet is charged for. Using Linux ipchains firewalling software, the Butterfly daemon cooperates with a Windows-based administration interface and a client interface to control time spent browsing. Additional features of Butterfly include hourly-based charging, creation of charge groups and detailed reporting. Please note that you must download the Windows-based Administrator and Client.