Recall (recall.wiki) is a powerful 2026 AI-powered personal knowledge base Chrome extension that summarizes anything (articles, YouTube videos, podcasts, PDFs, Google Docs, TikToks) with one click, auto-organizes with smart tags, builds a searchable knowledge graph (Graph View 2.0), enables chat with your saved content, and uses spaced repetition for long-term retention. Privacy-focused (local-first browsing, no AI training on user data), unlimited storage, cross-platform (web/mobile beta)—ideal for researchers, professionals, students fighting information overload.

Remio.ai is a 2026 local-first AI personal assistant and second brain that automatically captures, organizes, and learns from your files, meetings, emails, web content, and notes. It builds a personalized knowledge base, provides contextual AI assistance across apps, offers privacy-focused features (local storage, BYOK support), and includes tools like AI search, summaries, transcription, smart collections. Ideal for knowledge workers, professionals, students—saves 1000+ hours/year by eliminating manual organization.

Humata.ai is your AI-powered "second brain" for documents in 2026—upload PDFs (and more), chat naturally to ask questions, get instant cited answers, summaries, comparisons, reports, and insights across files. Built for trust with source citations, highlights, unlimited uploads/questions (within page limits), fast responses, and strong privacy (256-bit encryption, role-based access). Ideal for researchers drowning in papers, students prepping theses, lawyers scanning contracts, teams collaborating on knowledge—free to start, scales affordably with page-based overages.