Global Killfile - all major killfile formats supported. Free registration required. Hosted in Italy. Thumbnails for each article that contains and image. Free demo available.
Service includes access to binary and adult groups.
Squeaky Clean News - filtered news and discussion groups. Post and retrieve replies. Usenet Replayer - provides a set of tools to communicate via Usenet. Also offers a searchable archive of binaries. Protect your reputation by canceling forgeries.