Lacuna

Open-source inline AI writing suggestions for your Mac

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1 ratings4.25

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Lacuna is a Mac utility app that integrates large language models (LLMs) directly into any text input. Users can select bracketed phrases and invoke the app via keyboard shortcut to generate three AI-powered replacement text suggestions, facilitating quick phrasing and drafting tasks, especially in emails. It is keyboard navigable and configurable.

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4.25

1 reviews

Product

4.75

Design & Polish

4.25

Performance

3.75

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Performance: 95 out of 100, Good
Accessibility: 100 out of 100, Good
Best Practices: 100 out of 100, Good
SEO: 100 out of 100, Good

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CategoryProductivity

PlatformsWeb

PricingFree

AccountNot confirmed

ListedOctober 2026

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Mobile PageSpeed

Performance: 95 out of 100, Good
Accessibility: 100 out of 100, Good
Best Practices: 100 out of 100, Good
SEO: 100 out of 100, Good

Website checks are queued. Results will appear here when complete.

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