Vulgar is a constructed language (conlang) generator for fantasy fiction writing that creates unique and usable constructed languages in the click of a button. Vulgar's output models the regularities, irregularities and quirks of real world languages; phonology, grammar, and a 2000 unique word vocabulary.
Trial the 200-word demo version online. Purchase the full version and getting access to the complete 2000-word output, with derivational words, extra grammatical rules and custom features.
This page makes extensive use of the International Phonetic Alphabet and various other linguistic terminology. You may also want to read How do I make my language sound French / Japanese / Russian / etc.?