Caret

Caret is a macOS-native AI assistant that reads your screen across all applications to provide inline text completions. Unlike chat-based AI tools, Caret lives in the operating system itself—a floating suggestion appears in any text field, and with a single Tab key tap, your thought is finished in your natural voice. It learns your writing style over time by forming persistent memories from your activity, becoming smarter the longer you work. Designed for writers, programmers, customer support agents, and anyone who types extensively, Caret requires no context-switching, copy-pasting, or manual input. It works offline after the initial download, respects local-first privacy (no persistent cloud storage of keystrokes), and supports macOS 26+ only. Key features include tab-to-complete inline suggestions in any text field, screen-wide context awareness that can pull from an email in one app to complete a message in another, automatic memory creation that adapts to your writing style, and a minimal non-intrusive UI. Caret is always on, appears in every app, and provides real-time suggestions with no latency. The tool is in early access for macOS 26+, with a single pricing tier at $15/month and no free tier, though a free trial may be available. Caret positions itself as a direct competitor to Apple's built-in predictions, Textio, and Grammarly's inline suggestions. Its always-on ambient layer offers a unique frictionless experience for power users who value flow over chat interfaces. However, its macOS exclusivity and single-platform limitation narrow its audience significantly.