Best Dex by Thirdlayer Alternatives in 2026

Genspark unifies inbox, workflows, and collaboration into one AI workspace, offering a 1‑million‑token context window, voice‑to‑text, auto‑meeting notes, and Chrome extensions for instant summarization and task automation across WhatsApp, Slack, and Teams.

Dropbox Dash is an AI-driven search tool unifying data from connected apps & emails. It boosts productivity through smart collections, centralized views, and efficient answers for improved workflow management.

MaxAI is a Chrome/Edge extension and web app that adds an AI sidebar for instant on‑page queries, delivering responses with cited sources. It supports writing assistance, translation, and summarization of PDFs, videos, and images for research, coding, and marketing.

DeepTab embeds GPT‑3.5 help into Chrome’s tab and sidebar, offering on‑page assistance, a quick AI search panel, daily wallpaper refreshes, and a curated AI‑website directory—all designed to streamline browsing and AI resource access.

DraftLab is an AI-powered Chrome extension for Gmail that helps users write better and faster emails using a pay-as-you-go model, while respecting user privacy.

AI Toolbar is a Chrome extension that adds an AI assistant to every webpage. It generates text, summarizes, translates, and paraphrases content, supports voice commands, offers a chatbot, exports replies to Word/PDF, integrates with ChatGPT, and allows custom prompts.

Sigma Browser is an AI-first web browser that enhances productivity with integrated tools like SigmaGPT for task automation, research, and content assistance. It prioritizes privacy with encrypted DNS, phishing protection, and built-in organization features like bookmarks and password management.

Google Chrome integrates AI features—Gemini-powered context-aware assistance and AI search via the Omnibox—plus Google Lens, password manager, Safe Browsing, tab grouping, performance and privacy controls, offline Workspace access, and extensions across desktop and mobile.

AI Homework Helper is a Chrome extension that highlights questions or images to instantly provide detailed, step‑by‑step answers across subjects. It supports PDFs, lecture notes, a sidepanel chat, a mobile app, and works on multiple browsers while safeguarding privacy.

AIPex is an open-source, lightweight browser extension that embeds an AI assistant into existing browsers for inline search, content drafting, code help and workflow automation, offering toggle modes, language switching, tab/session integration and developer-friendly setup.

Fill A Form AI is a Chrome extension that auto‑detects form fields and populates them from a user’s stored submissions, learning from past entries. It supports multiple templates, team sharing, real‑time collaboration, and Google Sheets integration for streamlined data entry.

Aceify.ai delivers instant AI help for homework and study queries, letting users upload screenshots or use a Chrome extension. It summarizes content and supports Canvas, Blackboard, MoodleCloud, and other LMS, offering quick, accurate answers, especially in mathematics.

StudyBuddy Chrome Extension captures screenshots or highlights of questions to provide instant answers and detailed step‑by‑step explanations. It supports math, diagrams, and image queries in English, Spanish, and Portuguese, and includes a personal AI chat for broader study assistance.

Clipmate is an AI-first Second Brain for your Bookmarks, Screenshots, and all your other saved stuff. Turn information overload into your superpower.

Nex AI Knowledge Copilot is a browser extension that highlights and summarizes lengthy YouTube videos and articles, enabling quick comprehension and retention of key points, thus enhancing productivity and streamlining the online reading and viewing experience.

Docky.ai is an AI-driven sidebar tool for web browsers that offers access to multiple AI models for answering questions, summarizing documents, and improving search results, enhancing productivity for professionals, students, and researchers with seamless usability.

Tabchat AI is a Chrome extension that transforms webpages into intelligent workspaces, allowing users to extract and analyze data quickly. It automates data conversion to formats like CSV and JSON, enhancing research efficiency and productivity.

Buddybeep is an AI Chrome extension that summarizes web content, extracts insights from YouTube videos, and allows users to save and organize notes. It enhances productivity by facilitating efficient content consumption and knowledge management.

Quick Access AI is a Chrome extension that enhances productivity by facilitating tasks within websites. It simplifies content creation, coding, and formula generation using a quick query interface, integrating smoothly to optimize workflows and save time.

Praxi AI offers an AI-powered tutor, search engine, summarizer, paraphrasing tool, and note-taking feature for students through a Chrome extension. Users can try it out for free without providing credit card details.

Chrome Sidekick is an AI-powered Chrome extension that explains web pages and automates repetitive tasks like form filling. It uses memory to recall your workflows and integrates with other apps for collaboration.

The dashai AI tool is a Chrome extension that provides instant chatGPT access to every webpage and includes a huge prompt library, command execution, text highlighting, AI text expander, and one-time payment for unlimited use.

Xdge offers AI agents, enterprise search and automated workflows across Slack, Gmail, Jira, Notion and meetings—providing transcription, summaries, in-context browser/Slack assistance, indexed content connectors, playbook management, and compliance-ready audit trails.

Synaptic AI is a browser-integrated knowledge base and AI agent that captures and summarizes web pages and videos into searchable notes, supports rich-text editing, tagging, chat-based retrieval, and generates kanban tasks from notes for research and project workflows.

ChatGPT2Help is a Chrome extension embedding ChatGPT for instant AI assistance: rapid content drafting, copy editing, multi‑language translation, page summarization, and specialized tasks like real‑estate listings, legal risk flagging, customer‑service FAQ responses, personalized education plans, and preliminary medical suggestions.

Chat, write, reply, translate, and more on any webpage, powered by cutting-edge AI models such as GPT-4, Claude 3, and Gemini. Coming soon: image, video, PPT, and PDF processing.

Browser extension that displays conversational AI answers and multi-model comparisons alongside search results, integrates with GPT-4/Claude and major search engines, and adds YouTube summaries, PDF/image/OCR processing and content-generation tools for research and creation.

Viinyx AI is a browser extension that consolidates ChatGPT, Gemini, Claude, Llama, and DALL·E into a single chatbox on any webpage. It offers text, image, PDF analysis, speech, multilingual support, local data storage, a prompt library, and quick transformations.