Kerlig

Kerlig is a macOS-native AI writing assistant designed to enhance productivity by integrating AI capabilities directly into any application on the Mac. It enables users to write emails, Slack messages, Jira tickets, and more without switching contexts. The app supports a wide range of AI models from providers including OpenAI, Anthropic, Google Gemini, Groq, Ollama, OpenRouter, xAI, Perplexity, Mistral, Amazon Bedrock, and Apple Foundation Models, allowing users to choose their preferred engine or run local models via Ollama and LM Studio. Kerlig also offers document interaction features, letting users ask questions, summarize, and analyze PDFs, Word documents, EPUB files, webpages, and images. Additional capabilities include real-time grammar and spelling correction, tone adjustment, translation, summarization, and custom presets for automating writing workflows. The app operates with a strong emphasis on privacy, storing data encrypted on the user's Mac and sending messages directly to chosen AI providers. Kerlig is aimed at professionals, students, and teams who want to streamline their written communication and document processing without leaving their existing workflow.