Productivity

NotebookLM is Google's AI-powered research and note-taking assistant. Ground it in your PDFs, docs, slides, YouTube videos, and web pages to generate summaries, Q&A, study guides, and audio overviews tailored to your sources.

Microsoft Copilot is Microsoft's AI assistant, powered by OpenAI GPT models. It combines chat, image generation, voice mode, and web search, with deep integration across Bing, Edge, Windows, and Microsoft 365.

Doubao is ByteDance's consumer AI assistant, powered by the Doubao model family. It offers chat, voice conversation, image generation, AI character roleplay, and integrations with ByteDance apps like Feishu and TikTok.

Qwen is Alibaba Cloud's open and commercial LLM family and its chat interface. It covers general chat, long context, coding, math, and multimodal inputs, with both open-weight and API access.

Kimi is the AI assistant from Moonshot AI. It supports very long context (up to 2M tokens), web search, file and URL analysis, and is widely used in Chinese markets for research, writing, and coding tasks.

Mistral AI is a European AI lab behind open-weight models like Mistral 7B and Mixtral and commercial models like Mistral Large. It offers Le Chat, a consumer assistant, and La Plateforme API for developers.

Perplexity is an AI-powered answer engine that combines real-time web search with LLM reasoning to deliver cited, up-to-date answers. Pro adds access to frontier models and advanced research modes.

DeepSeek is the Chinese AI lab behind the DeepSeek-V3 and DeepSeek-R1 open-weight models, offering a free chat assistant, reasoning mode, and a low-cost developer API compatible with the OpenAI SDK.

Gemini is Google's AI assistant, powered by the Gemini model family (Pro, Flash, Ultra) with multimodal input, deep integration into Google Workspace, Search, and Android, plus advanced reasoning via Gemini Advanced.

Claude is Anthropic's conversational AI assistant built on the Claude model family (Opus, Sonnet, Haiku), with long context windows, tool use, artifacts, Projects, and strong performance on coding and reasoning.

ChatGPT is OpenAI's conversational AI assistant, combining GPT-4o, GPT-4.1, and o-series reasoning models with tools for browsing, image generation, file analysis, voice, and custom GPTs.

grok.com

Use AI is a lightweight hub that brings common AI tools—chat, writing, image generation—into a single browser-based workspace for quick tasks.

IBM is an enterprise technology company providing the watsonx AI and data platform, hybrid cloud infrastructure, IT consulting, and business automation—serving large organizations across industries.

Notion is a connected workspace where teams write docs, manage projects, build wikis, and deploy custom AI agents—all in one app that replaces scattered tools with a unified, searchable knowledge layer.

PDF Guru is an online PDF editor offering AI-assisted editing, format conversion, e-signatures, compression, and document management without desktop software installation.

Meta AI is Meta's general-purpose AI assistant powered by Llama models, offering chat, AI image generation, and search—available as a standalone web app and embedded across Facebook, Instagram, WhatsApp, and Messenger.

Manus is an AI agent that goes beyond answers to execute tasks, automate workflows, and build artifacts—creating slides, websites, desktop apps, and designs on command via web and mobile apps.

OpenAI is an AI research lab that builds general-purpose foundation models, ships ChatGPT for consumers, offers APIs for developers, and provides enterprise products built on GPT, DALL·E, and Sora.

Polybuzz is a free AI character chat app offering roleplay with millions of community-made AI personas, an AI webtoon library, and tools to design and interact with your own characters.

SpicyChat is an adult AI chatbot platform where users roleplay with user-created NSFW characters, build lorebooks and group chats, and browse a tag-driven catalog of fictional personas.

Character.AI lets users create and chat with AI characters that have distinct personalities, knowledge, and conversational styles across any topic.

Gamma is an AI-powered design platform for creating presentations, websites, and documents. It turns ideas into polished visual content without requiring design or coding experience.

Otter.ai provides real-time meeting transcription, automated summaries with action items, and collaborative note editing across Zoom, Teams, and Meet.

Slidesgo offers thousands of free presentation templates for Google Slides and PowerPoint, an AI slide generator, and customizable themes for education, business, and creative presentations.

n8n is an open-source workflow automation platform that combines a visual builder with code-level flexibility and AI agent nodes, letting technical teams build, debug, and self-host complex automations.

MiniMax is a Chinese AI company building multi-modal foundation models—offering text (abab), voice (Speech-02), video (Video-01), and music generation through consumer apps and developer APIs.

Consensus uses AI to search and summarize findings from over 200 million peer-reviewed scientific papers, helping researchers find evidence-based answers.

EaseMate AI is an all-in-one AI assistant that aggregates multiple LLMs—GPT-4, Grok, Gemini, Claude—for chat, writing, image generation, and study tasks in a unified interface.

Oreate AI is an all-in-one AI workspace offering presentation generation, essay writing, image creation, video production, deep research, and chat—primarily serving Chinese-speaking users.

Chatbot App is a multi-tool AI chat interface built on top of OpenAI GPT-5 Mini. Chat, analyze images, summarize content, and draft writing in a clean unified UI.

Fireflies.ai is an AI notetaker that automatically transcribes, summarizes, and makes searchable all team meetings across Zoom, Google Meet, Microsoft Teams, and other platforms.

Read AI is a fast-growing AI meeting assistant providing real-time transcription, intelligent summaries, and AI-powered search across meetings, emails, and documents.

PDFgear is a free AI PDF editor available on Windows, macOS, iOS, Android, and browser. It offers full PDF editing, AI document chat, format conversion, annotation, and e-signing with no watermarks on the free tier.

Notta is an AI note-taking tool that records, transcribes, and summarizes meetings and conversations in 58 languages—integrating with Zoom, Google Meet, and Microsoft Teams.

TinyWow offers 200+ free online tools for PDF, image, video, AI writing, and file conversion. All tools are free with no watermark or signup required.

RunPod is a GPU cloud platform built for AI inference and training workloads. It provides on-demand and spot GPU instances for running models, fine-tuning, and serverless AI endpoints with per-second billing and global data centers.

LightPDF is a cloud-based PDF platform offering AI-powered editing, conversion, OCR, e-signatures, and document Q&A—accessible from any browser without installation.

Granola is an AI notepad built for people in back-to-back meetings. It takes your raw notes, enhances them with a transcript, and lets you chat with meeting content on Mac or iPhone.

Tavily is a real-time web search API designed for AI agents and LLM applications. It returns pre-processed, relevance-ranked search results in structured JSON, with domain filtering and deep research mode — eliminating the need for custom web scraping logic.