PopClip appears when you select text with your mouse on your Mac. Instantly access context-specific actions including copy and paste, plus extensions like Send to Evernote. If you select text containing a URL, email address or file path, PopClip can open it. Select a misspelled word, and PopClip offers corrections. Select any text to do a web search with those terms, or select a single word to get the dictionary definition.
More than 100 free extensions are available, including Paste and Match Style, Translate, Send to Evernote, Word Count, Capitalize and much, much more.