Wordsmith.org...A.Word.A.Day: "Wordsmith is a worldwide online community of some half-million readers who share a love for words, wordplay, language, and literature." Visit their Scheduled Chats page, where word lovers from all over the world meet to chat with others about words, languages, literature, and ideas.
World Wide Words: An etymologist's delight! "...a fascinating website ... All word buffs should pay the website a visit. They will be well rewarded." [Quote from University of the Third Age (March 2004)] Categories are numerous; to name a few: Articles, Q&As, Reviews, Topical Words, Turns of Phrase, Weird Words, Pronunciation Guide. Weekly newsletter by email subscription or feed.
Please visit the Writers' Resources tab on my WORDS website for a huge, categorized list of resources.