Create and develop your own constructed language from the ground up. Ancient Tongue provides a comprehensive toolkit for designing fictional languages with authentic linguistic depth. Define phonological rules that govern sound patterns, establish morphological systems for word formation, and construct syntactic frameworks for sentence structure. Build a complete lexicon with detailed transcriptions and etymological notes for each word. Generate grammatically consistent sentences based on your custom rules. Track grammatical cases, verb aspects, and unique features like dual number or topic-comment structures. Export your entire language as a structured dataset. Whether you're worldbuilding for creative writing, developing a language for a game setting, or exploring linguistic theory, Ancient Tongue helps you build languages that feel real and function systematically.