Automattic/harper
Offline, privacy-first grammar checker. Fast, open-source, Rust-powered
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Offline, privacy-first grammar checker. Fast, open-source, Rust-powered
Open-source AI browser agent for Chrome and Firefox (monorepo) 🧠
Open-source GEO content engineering and multi-site distribution platform with AI quality inspection, illustrated admin help, hosted sites, browser-assisted publishing, and signed updates.
猫抓 浏览器资源嗅探扩展 / cat-catch Browser Resource Sniffing Extension
DeepSeek 蓝色大肥鱼消除计划：识别并清理 B 站（Bilibili）评论区中由 DeepSeek 大模型、AI Agent 驱动的机器人账号（大肥鱼）的 Chrome / Edge / Firefox 浏览器插件。离线规则 + DeepSeek API 精判，AI 评论检测、空间主页鉴定、鲸鱼娘一键清场。DeepSeek AI bot detector for Bilibili comments.
ScriptCat, a browser extension that can execute userscript; 脚本猫，一个可以执行用户脚本的浏览器扩展
本地私有、开源的自进化跨平台 AI 内容发现 Agent：先理解你，再主动从 B站、小红书、抖音、YouTube、X、知乎、Reddit、微博等平台与开放 Web 寻找内容。（支持 deepseek harness 插件） | Local-first open-source cross-platform AI content discovery agent: understands you, then proactively finds content across Bilibili, Xiaohongshu, Douyin, YouTube, X, Zhihu, Reddit, Weibo and the open web.（support deepseek harness plugin）
Browser extension and iOS app that spoofs your gps, geolocation & timezone, and auto-syncs to your VPN. Firefox, Chrome, Edge, Brave & Safari.
一键同步文章到多个内容平台，支持今日头条、WordPress、知乎、简书、掘金、CSDN、typecho各大平台，一次发布，多平台同步发布。解放个人生产力
Extract any website's complete design system with one command. DTCG tokens, semantic+primitive+composite, MCP server for Claude Code/Cursor/Windsurf, multi-platform emitters (iOS SwiftUI, Android Compose, Flutter, WordPress), Tailwind v4, Figma variables, shadcn/ui, CSS health audit, WCAG remediation, Chrome extension. MIT, Playwright, Node 20+.
网页媒体嗅探与下载工具，包含浏览器扩展和 Windows 本地助手。Web media detection and download tool with a browser extension and a Windows native helper.
Local-first AI agent for Chrome: browser automation, web research, and data extraction with your own model.
Web Extension for saving a faithful copy of a complete web page in a single HTML file
Chrome sidebar extension that lets DeepSeek Harness operate your browser directly, no vision capabilities required. 一款 Chrome 侧边栏扩展程序，可让 DeepSeek Harness 直接操控您的浏览器，无需视觉能力。
Real-time two-way speech translation for bilingual meetings — auto-detects the spoken language and translates both directions, cloud or fully offline on-device. Desktop (Windows · macOS · Linux) + browser extension (Chrome · Edge) for Zoom, Meet, Teams & any app.
Cross-platform local MCP capabilities for ChatGPT with Chrome integration, Goal, Compact & Resume, and durable multi-agent workflows.
Dark Reader Chrome and Firefox extension
🐸 Read Frog - Open-source AI language learning & flashcards, an Immersive Translate alternative | 🐸 陪读蛙 - 开源 AI 语言学习与闪词卡，沉浸式翻译替代
Browser-native side panel for Hermes Agent — connect web context to your local Hermes runtime.
Open-source Chrome extension with a Spotlight-style command palette, instant tab, bookmark and history search, and a customizable new tab page.
Post GIFs in YouTube comments and replies from a desktop browser. Extension for Chrome and Firefox.
Debloated fork of the extension "I don't care about cookies"
Postman 中文汉化工具：注入桌面端 app.asar + Chrome/Edge 浏览器扩展（网页版）。
Open-source benchmark for browser AI agents on daily tasks.
High-performance secrets scanner. CLI, Go library, Burp Suite extension, and Chrome extension. 487 detection rules with live credential validation.
QOwnNotes is a plain-text file notepad and todo-list manager with Markdown support and Nextcloud / ownCloud integration.
Stop writing prompts from scratch — a searchable prompt library for ChatGPT, Claude, Gemini and Cursor · Русский 한국어 العربية हिन्दी ไทย ｜ 别再从头写提示词：现成的拿来就用，好用的收进自己的库
a replacement for the image viewing mode built into Firefox and Chrome-based web browsers.
雨课堂 / 荷塘雨课堂开源 AI 学习助手｜Open-source Yuketang / Rain Classroom AI learning assistant. 支持 Chrome/Edge 浏览器端和 Windows/macOS 客户端，提供课堂提醒、课件 PDF/图片下载、OCR、翻译、课件问答与 AI 辅助学习。
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