Jetwriter AI
Superhuman
Captain
Merlin
Hoppy Copy
Robin
ChatGPT
Instantly.ai
React Engine
Jetwriter AI is a powerful AI writing assistant that works on any website to help you write faster and better. Trusted by over 600,000 users, it provides personalized, context-aware assistance for all your writing needs.
Key Features: โ๏ธ Generate Context-Aware Replies: Get intelligent AI assistance on Gmail, LinkedIn, Outlook, and more. Jetwriter is fully personalized to you, generating high-quality responses in your unique voice. ๐ Chat with Any Page: Instantly summarize articles, find key information, proofread your work, or explain complex topics without leaving the page. โจ Transform Any Text: Select text anywhere to instantly correct grammar and spelling, improve clarity, change the tone, or translate to any language. ๐ Highest Quality Responses: Go beyond generic AI. We use the world's most advanced AI models, including GPT-5 Thinking, Claude Sonnet 4, and Gemini 2.5 Pro, to deliver superior results. ๐จ Minimal & Non-Intrusive Design: Unlike clunky sidebar extensions, Jetwriter opens as a clean, resizable modal that doesn't disrupt your workflow. It's lightweight (<1MB) and blazingly fast. ๐ฑ Multi-Platform Support: Use your account seamlessly across our Chrome Extension, web app, and mobile apps. Get started for free and see why hundreds of thousands of users rely on Jetwriter AI to supercharge their productivity.
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Based on our record, Jetwriter AI seems to be a lot more popular than React Engine. While we know about 24 links to Jetwriter AI, we've tracked only 1 mention of React Engine. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.
Hi! I wanted to share a quick thought โ there are some AI copilot extensions out there that are essentially spying on their users (like Monica AI, which is a good example). I've built an AI extension that's completely different โ it doesn't spy on you and you can also use your own API key. You can check it out here: https://jetwriter.ai. - Source: Hacker News / 7 months ago
Hey, if anyone wants to use AI to draft replies but wants to make sure their data isn't trained by it, I've built a Chrome extension that does exactly that! You can plug in your API key, and it supports all SOTA models. https://jetwriter.ai. - Source: Hacker News / 9 months ago
For those who find red squiggly lines too distracting, I built a lightweight Chrome extension (<1MB) that approaches grammar correction in a minimalistic way: Highlight text -> Select "Correct grammar" from the toolbar -> Replace text. The quality is unmatched because it uses SOTA models like GPT-5, Claude, and Gemini. Yes, you can use your own API key as well. https://jetwriter.ai. - Source: Hacker News / 10 months ago
You can use models not just from OpenAI but also from Google and Anthropic. Yes, you can use your own API key as well. https://jetwriter.ai Feedbacks are welcome. - Source: Hacker News / 10 months ago
Building a lightweight chrome extension (<1MB) to use Al on any site. Features: Chat with page, fix grammar, reply to emails, messages, translate, summarize, etc. Yes, you can use your own API KEY. Please check it out and share your feedback https://jetwriter.ai. - Source: Hacker News / 11 months ago
I was wondering to use paypal's React Engine (https://github.com/paypal/react-engine), but I have some doubts:. Source: over 4 years ago
Superhuman - Superhuman is an email management tool.
Captain - Discover what's trending and follow hashtags
Merlin - Merlin is a deep learning framework written in Julia, it aims to provide a fast, flexible and compact deep learning library for machine learning.
Hoppy Copy - Write high-converting emails 10x faster โก
Robin - Add interaction to your product with few lines of code.
ChatGPT - ChatGPT is a powerful, open-source language model.