Kerlig™ is an AI writing assistant designed for macOS. It integrates AI technologies to help users quickly generate text, correct grammar, change tone, and answer questions across various applications, significantly improving writing efficiency and quality. Developed by Jarek, Kerlig™ supports AI models like OpenAI, Anthropic, and Gemma. It offers keyboard shortcuts for convenient access without switching contexts. Positioned for productivity enhancement, Kerlig™ is priced at $27 and above.