Show HN: Gemtype – an open source Grammarly alternative Chrome extension

Category: devtools

Tags: chrome-extension, writing-assistant, grammar-checker, llm, privacy-focused, open-source-alternative

Score: 7.0/10 (Innovation: 6, Technical: 7, Documentation: 8, Utility: 7)

Gemtype is an open-source Chrome extension that provides Grammarly-style grammar, spelling, and rewriting assistance across any website, powered by the user's own free Google Gemini API key. It stands out for its privacy-respecting, no-server architecture and feature parity with premium tools, offering unlimited fixes and AI rewrites at minimal cost.

Target audience: backend devs, frontend devs, writers, content creators, general users

Repository: https://github.com/riponcm/GemType · JavaScript · Apache-2.0 · 1 stars

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