Show HN: Lacuna – open-source inline AI writing suggestions for your Mac (jackdamon.org)

Lacuna, a newly launched open-source tool for Mac users, enables seamless integration of AI writing suggestions directly into text inputs. By enclosing phrases within brackets and using a simple keyboard shortcut, users can invoke a configured LLM to generate three alternative suggestions for their text, enhancing productivity in tasks like drafting emails. The tool emphasizes a fluid, keyboard-centric interface inspired by the Rectangle app, making it a valuable addition for anyone who frequently interacts with text. Its significance lies in democratizing access to AI-powered writing assistance, allowing users to enhance their writing without needing extensive setups or prior experience with AI tools. As Lacuna is open-source, it encourages community contributions and adaptations, positioning itself as a flexible solution in the growing trend of incorporating AI into everyday tasks. With its user-friendly design and technical approach, Lacuna aims to streamline workflows and inspire further innovation in AI writing tools within the AI/ML community.