Free AI tools for Chatbots, Assistants & Agents

Answers a search query by generating a working interactive app instead of a list of links.

Chrome and Firefox extension that turns your ChatGPT conversation history into an interactive visual timeline.

Browser sidebar for chatting with several AI models at once, plus summarizing, translating, and pulling text out of images or PDFs.

Free desktop LLM client for macOS, Windows and Linux that runs on your own provider keys

Open-source chat UI that lets you plug your own API keys into ChatGPT, Replicate, and image models from one interface.

ByteDance's MIT-licensed agent framework: sandboxed agents that research, code and edit files.

Free search page pairing Google results with a chatbot answer

Opt-in AI layer inside the Arc browser: link previews, tidier tab titles and renamed downloads

Open-source, self-hosted AI assistant you message from WhatsApp, Telegram, Slack and 10+ other chat apps

Open-source framework for coordinating a fleet of AI agents into a hierarchical, self-organizing team.

A custom GPT that walks you through design-thinking steps for a UX project inside ChatGPT.

Ad-free weather forecasts and radar, with an AI chat for planning around conditions.

Free, open-source desktop app from Block for wiring together AI agents, model providers, and automations on a canvas.

Claude-based AI bot for Discord servers that remembers conversations, answers questions, searches the web and runs scheduled tasks.

A Chrome extension that adds ChatGPT summarizing, research, and translation to any page without switching tabs.

Free Mac app that chats with your PDFs on-device and links every answer back to the page

Search across claims pulled from thousands of non-fiction books and compare what different sources argue

Free desktop app that runs open language models privately on your own computer, with local document chat.

Open-source Python framework for agents written as durable flows that resume after a crash, retry safely and log every step.

Self-hosted AI assistant with persistent memory that ingests email, files, and calendars, free to run yourself.

An AI-native web browser from Norton's parent company, built on Chromium.

Desktop browser from Opera with a built-in AI sidebar, tab grouping, split-screen, and free VPN.

Free, open-source desktop chat client for GPT, Claude, Gemini, and local models.

Alibaba's free web and mobile AI chat assistant, with a separate metered API for developers.

Open-source desktop AI coworker that builds a local knowledge graph from your email and meetings and runs background agents.

Chrome extension that sorts open tabs into named groups you can jump between from the keyboard

A free, open-source AI search engine that scrapes top results and synthesizes an answer with sources.

Free Chrome extension that opens ChatGPT in an overlay on any page with a keyboard shortcut

Mac-wide autocomplete: press Tab in any app and it finishes the sentence from what it has seen on your screen

A free, ad-free chat and image-generation app from an independent developer, no account required.

Free menu-bar window that keeps ChatGPT one click away without cluttering browser tabs.

A macOS assistant you summon over any app with a shortcut, forwarding requests to GPT models and returning formatted answers.

Menu bar and global-hotkey access to ChatGPT on macOS, using the web session or your own OpenAI key.

Open-source web app for asking questions about an uploaded PDF, built on Together AI and vector search.

Edit and chain outputs from GPT-4o, Claude, Gemini and Grok instead of one-shot prompting