Productivity & Writing

Google NotebookLM is an AI-powered research and note-taking tool powered by Gemini 3.5 and the Antigravity agent-first IDE. It enables users to upload documents and build knowledge bases, generating Audio Overviews, Video Overviews, flashcards, quizzes, and structured outputs (PDF, Word, Excel, PowerPoint, CSV) from source material. Major 2026 updates added a secure cloud computer for code execution and agentic source discovery.

Perplexity AI is an AI-powered answer engine and research platform that has evolved into a comprehensive agentic system in 2026. It features Perplexity Computer (autonomous multi-step agent routing 20+ frontier models), Deep Research for structured multi-source analysis, Model Council for parallel model comparison, and enterprise integrations with Microsoft 365 and Teams.

Perplexity Comet is an AI-native web browser built on Chromium (desktop) and WebKit (iOS) that integrates an AI assistant directly into the browsing experience. Launched in July 2025 and made free to all users in October 2025, it features agentic browsing, Deep Research mode for generating structured outputs, voice interaction, cross-tab summarization, and Background Assistants for autonomous multi-step task execution.

Granola is a bot-free AI meeting notes platform that captures system audio locally without joining meetings as a visible participant. It enhances user-taken rough notes post-meeting using the captured transcript. The platform raised a $125M Series C in 2026 and supports MCP integration for connecting meeting context to other AI tools like Claude and ChatGPT.

Upstream is an AI-native email platform designed for both humans and AI agents to collaborate within the same inbox. Founded by former Asana and Algolia product leaders, it enables AI agents to triage, draft, and prioritize email while requiring human approval before sending. Raised $3M pre-seed from Y Combinator, Connect Ventures, and Roosh Ventures. Launched June 2026.