# Knowledge Management Software

> Eight vendors - Atlassian's Confluence, Notion, Nuclino, Zendesk, eGain, Paligo, Glean and Knowmax - sit at different corners of the knowledge management market: internal wikis, customer-facing help centers, structured technical docs, and AI enterprise search. For years those were separate businesses. Retrieval-augmented AI is collapsing them into one question: can your software find the right answer and hand it over, already written? Gartner made it official in late 2025 with two fresh categories, and the money is following - Glean hit a $7.2B valuation, Notion is raising near $11B, and Zendesk started charging per answer instead of per seat.

## Achievements

- Glean reached a $7.2B valuation (Series F, June 2025) and doubled revenue from $100M to $200M ARR in about nine months.
- Notion crossed 100M+ users and is running an employee tender near an $11B valuation on the back of AI adoption.
- Atlassian's Rovo became generally available in October 2024, connecting 50+ third-party apps into a single AI search and agent layer.
- Zendesk shifted to resolution-based pricing for AI agents at Relate 2026, charging per answer instead of per seat.
- Gartner formalized the shift by defining Generative AI Knowledge Management Apps and Enterprise AI Search as new markets in 2025.

## Latest updates

- **2025-06** — Glean raised a $150M Series F at a $7.2B valuation to expand its enterprise AI agent platform.
- **2025-09** — Notion 3.0 launched AI Agents; a third-generation Glean Assistant and new Enterprise Graph also shipped.
- **2025-11** — Gartner published its Innovation Guide defining Generative AI Knowledge Management Apps, naming Glean an Emerging Leader.
- **2025-12** — Glean crossed $200M ARR; Zendesk acquired Unleash for RAG enterprise search; Notion opened a tender near $11B.
- **2026-02** — Notion 3.3 added Custom Agents; Zendesk unveiled resolution-based AI pricing at Relate 2026.

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Last updated: 2026-08-08