Newsgroup Explorer - description from Softdepia.com:
Newsgroup Explorer is a news reader program created to make it easier to search the data in Usenet archives. Newsgroup Explorer is a fast and very powerful program, just give it the task and get the instant result!
This full-featured software possesses a rich set of include/exclude keyword filters you may use for extracting information from the newsgroups. The filters work with the articles content and subject. Use these keywords to scan the target audience and only return the information you are interested.
Newsgroup Explorer also allows very fast e-mail messages downloading from certain selected newsgroups. Use the internal List Editing menu for duplicate address removal. You can even create the personalized messages and Newsgroup Explorer makes mailing them to your email addresses easy and convenient. The trial version is fully functional for 30 days.
The full list of features:
- Search for messages using keywords
- Built-in newsgroup reader for online and offline reading of messages
- View individual messages within a newsgroup for reading
- Multiple include/exclude filters to search and find articles by content
- Manages unlimited newsgroups, filters, addresses, etc
- Post Messages.
Newsgroup Explorer is a "Free to try" program. You can download and try it for an evaluation period.