Software Title: SOCKS Proxy Checker
Download Link: http://www.freeproxy.ru/download/socks_checker.exe
Contact Them: n/a
License: Free to use no restrictions for personal usage.
Program checks SOCKS proxy lists and is able to understand TXT & HTML file formats. Program supports multi-threading (can check many proxies simultaneously). Checks proxy lists of any size. Free version. Distributive has a links to fresh SOCKS proxy lists.