Obsidian is a local-first note-taking and knowledge management application that stores all notes as plain Markdown files on the user's device, with end-to-end encrypted sync available as an optional paid add-on. It is built for individuals and researchers who want to connect ideas through bidirectional links, tags, and an interactive graph of note relationships.

Smartlead is a cold email outreach platform that connects unlimited sender mailboxes per account, rotates sends across them to protect deliverability, and consolidates replies in a Master Inbox. Built for agencies and sales teams running high-volume outbound.

Reflect is a minimalist, networked note-taking app for macOS and iOS with Roam-style backlinks, end-to-end encryption, and a built-in AI assistant for rewriting, summarizing, and voice transcription. Aimed at knowledge workers and writers who want a daily-pages workflow with privacy by default.

Mem is an AI note-taking app that auto-links and organizes notes via embeddings without folders, with Mem Chat for natural-language search and drafting. Built for knowledge workers, founders, and researchers managing thousands of fragmented notes.

Grammarly is an AI writing assistant for grammar, tone, clarity, and drafting that runs in browsers, desktop apps, mobile, and email. Now part of Superhuman alongside Coda and Superhuman Mail under one bundled suite.

v0 by Vercel is an AI app builder that turns natural-language prompts into full-stack React applications using Next.js, Tailwind CSS, and shadcn/ui, with a Design Mode for visual edits, GitHub sync, and one-click deployment to Vercel hosting. Aimed at developers and product teams prototyping web apps.

Suno is an AI music generator that turns a text prompt into a complete original song with vocals, lyrics, and full production in under a minute, aimed at hobbyists making one-off tracks on web or mobile. Paid tiers add stem export to DAWs like Ableton or Logic plus a browser-based audio workstation called Suno Studio for producers.

Sana is an enterprise AI company (now part of Workday) building two products: Sana Learn, an LMS/LXP that converts uploaded documents into interactive courses with an AI tutor, and Sana Agents, an enterprise search and AI agent layer across company apps. Aimed at L&D and operations teams at large organizations.

Luma AI is a video generation platform with the Dream Machine product and Ray foundation models that produce 1080p HDR video from text and image prompts. Used by creators, filmmakers, and agencies for cinematic short-form video.

Granola is an AI meeting notepad that transcribes your computer's audio directly and enhances your raw notes after each call, without joining as a bot. Built for product, sales, and investing teams running back-to-back meetings on Zoom, Meet, Teams, and in person.

Veo is Google DeepMind's text-to-video and image-to-video model, accessed through the Gemini app, Google Flow, AI Studio, and the Vertex AI/Gemini API. Generates 1080p clips up to 8 seconds with synchronized dialogue, sound effects, and ambient audio, for filmmakers, creators, and developers building video into their products.

Perplexity is an answer engine that reads the web for you and writes a sourced summary, with footnote-style citations under every claim. Free tier covers everyday lookups; Pro ($20/mo) unlocks unlimited Pro Search, Deep Research, and the Comet browser agent. The Sonar and Search APIs let developers wire the same real-time web Q&A into their own products.

NotebookLM is Google's AI research notebook that grounds every answer in sources the user uploads (PDFs, Google Docs, slides, web URLs, YouTube videos, audio files), with citations linking back to exact passages. Aimed at students, researchers, and knowledge workers synthesizing material across documents.

Kajabi is a creator platform for selling courses, cohort programs, memberships, coaching, communities, podcasts, and digital downloads with built-in email, funnels, and AI-assisted content creation. Built for established course creators and coaches consolidating their stack.

Duolingo is a gamified language-learning app with 40+ languages, daily streaks, leagues, stories, and an AI tutor on the Max tier. Used by tens of millions of learners on web and mobile across casual study, exam prep, and the Duolingo English Test.