Bulletin Board Systems (BBS) have been around since the early 1980s in one form or another. Typically a 'gathering area' for people with similar interests, they have adapted, grown, and survived as times changed. BBS systems, while not as popular as they once were, have begun seeing a new dawning in recent times.
They usually have a large variety of Spam free topical message areas. Online Gaming. Most have new and daily updated shareware files.
Most have moved to the Internet and offer web based interaction. No need to utilize the old ANSI login style. Although Ansi logins are still widely available.
With over 15,000 traditional BBS's remaining in the United States alone they are a pleasant alternative to the normal web based browsing.