Tana is an AI-native workspace that turns messy notes, meetings and voice memos into structured, queryable knowledge. Its signature feature, Supertags, lets any bullet point become a database record with defined fields, so notes double as a living knowledge graph that AI agents can read, summarize and act on. Founded in 2021 by ex-Googlers and productivity builders and based in Palo Alto with an engineering hub in Oslo, Tana raised a $14M Series A in February 2025 (led by Tola Capital), reaching $25M total funding after emerging from a stealth beta with a 160,000+ person waitlist.
Optiverse is a Swiss AI meeting platform that turns everyday conversations into structured, actionable work. Its assistant, OptiAgent, transcribes meetings, writes custom summaries, extracts action items, pushes updates into CRMs, and makes past calls searchable across a company. Founded in Zurich in 2024 by researchers from ETH Zurich, EPFL, MIT and HSG, the company positions itself as the 'digital brain of the enterprise' and reports supporting over 1,000 companies while emphasizing Swiss-hosted, privacy-first data handling.

Fireflies.ai is a San Francisco-based AI meeting assistant that joins video and phone calls across Zoom, Google Meet and Microsoft Teams to record, transcribe, summarize and analyze conversations. Its bot captures speaker-labeled notes and action items, its AskFred assistant answers questions about past meetings, and its Perplexity-powered Live Assist offers real-time web answers during calls. Founded in 2016 by Krish Ramineni and Sam Udotong, the company reached a $1 billion valuation in 2025 while staying profitable and is used by teams across more than a million organizations.
Highlight is a San Francisco AI company building a shared intelligence layer for teams and AI agents. Its cross-platform desktop app captures on-screen context, meetings, messages, and documents, then weaves them into a unified team memory that drafts next steps across tools like Linear, Slack, Notion, and calendars. Spun out of game-clip company Medal in 2024, Highlight has grown past 500,000 users and raised a $40M Series A led by Khosla Ventures in March 2026, when former Discord product VP Sergei Sorokin became CEO.