Kerlig

Kerlig is a macOS AI writing app positioned to save time on written communication at work. According to the page, it can write emails, Slack replies, and Jira tickets, proofread text before sending, and chat with documents such as webpages, ebooks, and images. It offers built-in and custom actions, shortcuts and global hotkeys, a chat interface, and access to many AI models through the user's own API keys, as well as local models via Apple Foundation Models, Ollama, and LM Studio. The page also mentions Agentic Mode and MCP server connections to tools such as Notion, Linear, Slack, and GitHub. Privacy is described as messages being sent directly to AI providers and then stored and encrypted on the user's Mac. The app requires macOS 12 or later and supports Apple Silicon and Intel Macs.

Key features

• Write emails, Slack replies, and Jira tickets in the user's tone of voice
• Proofreading before sending
• Chat with documents, webpages, ebooks, and images
• Built-in and custom actions
• Access to 350+ AI models via own API keys
• Local model support via Apple Foundation Models, Ollama, and LM Studio
• Agentic Mode and MCP server connections
• Shortcuts and global hotkeys
• Headless mode for running actions in the background
• Chat history, message editing, and response regeneration
• Citations with links to cited sources
• Deep research using reasoning models
• Attachments analysis and summarization
• Remote team deployment via CLI (Team License)

Best suited for

• Professionals writing emails and Slack messages on a Mac
• Users who want to proofread and improve writing
• Users who want to chat with documents and webpages
• Teams deploying AI writing tools across multiple Macs

Pricing

Basic License $49 one-time for 1 Mac; Pro License $79 one-time for 2 Macs; Team License $297 one-time for 10 Macs. Usage is billed only for tokens used with the user's own API keys. 14-day money-back guarantee; prices in USD, VAT may apply.