{ "sym": "Kw", "updated": "2026-08-06", "verdict": "Notion, for most teams \u2014 100M users, $500M ARR, an $11B valuation, and since 3.0 (Sep 2025) the wiki, the agents that act on it, and a hosted MCP server live in one product at $20/seat. Obsidian is the pick when you want the substrate itself to be agent-native \u2014 plain Markdown files any coding agent reads without an API, now with official agent skills from the CEO himself. Slite wins when trustworthy answers matter more than breadth: doc verification plus the deepest purpose-built MCP (40+ tools). Outline when you need self-hosting or flat pricing; Superhuman Docs (ex-Coda) when your wiki needs to compute \u2014 tables, automations, 800+ integrations \u2014 and you can stomach the rebrand turbulence.", "top5": [ { "rank": 1, "name": "Notion", "maker": "Notion Labs", "url": "https://www.notion.com", "docs": "https://developers.notion.com", "pricing": "Free \u00b7 Plus $10/seat/mo \u00b7 Business $20 (full AI + Agent) \u00b7 Enterprise custom \u00b7 Custom Agents $10 per 1,000 credits", "best_for": "Teams that want the company brain, the AI that answers from it, and the agents that maintain it in one workspace.", "why": "The scale leader \u2014 100M users (2024), $500M ARR (Sep 2025), $11B valuation (Jan 2026 tender) \u2014 and the furthest along on agent-readability: Notion 3.0 (Sep 18, 2025) made agents first-class, Custom Agents run on schedules/triggers since Feb 2026, and the hosted MCP server gives any external agent OAuth read/write in one click. The wiki that agents both consume and garden.", "watch": "Full AI is gated to the $20 Business plan, and Custom Agents added usage-based credit billing on May 4, 2026 \u2014 costs are unpredictable at agent scale. Your knowledge lives in their cloud; Markdown export is lossy for databases. Agent sessions cap at ~20 minutes.", "evidence": [ { "stat": "$500M ARR (Sep 2025); $11B valuation via employee tender (Jan 2026); 100M users (2024)", "src": "https://sacra.com/c/notion/" }, { "stat": "Notion 3.0 launched Sep 18, 2025 \u2014 agents execute multi-step work across hundreds of pages for up to 20 min", "src": "https://www.notion.com/blog/introducing-notion-3-0" }, { "stat": "Custom Agents launched Feb 2026; credit billing ($10/1,000 credits) live May 4, 2026", "src": "https://www.eesel.ai/blog/notion-ai-review" } ], "tile_note": "the default company brain" }, { "rank": 2, "name": "Obsidian", "maker": "Dynalist Inc. (Obsidian)", "url": "https://obsidian.md", "docs": "https://help.obsidian.md", "pricing": "Free (personal, no limits) \u00b7 Commercial $50/user/yr \u00b7 Sync $4/mo \u00b7 Publish $8/mo", "best_for": "Founders and engineering-heavy teams who want knowledge as plain local files that any coding agent can read, grep, and edit \u2014 no API, no vendor.", "why": "The most agent-native substrate in the category: a vault is just Markdown on disk, so Claude Code, Codex, or any file-capable agent operates on it directly \u2014 put it in git and you get versioned, reviewable knowledge. CEO Steph Ango shipped official open-source agent skills (Obsidian Markdown, Bases, JSON Canvas, CLI) in June 2026 \u2014 37k GitHub stars within weeks \u2014 codifying the vault conventions agents should follow.", "watch": "Not a team wiki out of the box: no browser editing, no granular permissions, collaboration means shared Sync vaults. No hosted product, no admin controls \u2014 governance of the company brain is entirely DIY. The app itself is not open source.", "evidence": [ { "stat": "Official Obsidian agent skills released Jun 2026 by CEO Steph Ango; 37k+ stars by Jun 30, 2026", "src": "https://www.dsebastien.net/obsidian-ai-skills-by-steph-ango/" }, { "stat": "Local plain-text Markdown, open formats, 'no lock-in' \u2014 free without limits (verified Aug 2026)", "src": "https://obsidian.md/pricing" }, { "stat": "Sync $4/mo, Publish $8/mo annual; commercial license $50/user/yr, optional", "src": "https://obsidian.md/pricing" } ], "tile_note": "plain files, agent-native" }, { "rank": 3, "name": "Slite", "maker": "Slite", "url": "https://slite.com", "docs": "https://slite.com/api", "pricing": "Basic $10/user/mo \u00b7 Pro $20 (agent + 12+ connected sources) \u00b7 Enterprise custom \u00b7 MCP + API on all paid tiers", "best_for": "Teams who want a dedicated knowledge base whose answers agents can actually trust \u2014 verification workflows plus the deepest wiki MCP.", "why": "The most complete agent-readability story of any pure knowledge base: a remote MCP server (api.slite.com/mcp, OAuth, no config) exposing 40+ tools for search, doc read/write, and structured tables, with permission inheritance \u2014 works with Claude, ChatGPT, Cursor, Gemini, and custom frameworks. Doc verification and AI fact-checking with suggested fixes attack the real failure mode of company wikis: stale pages that agents confidently repeat.", "watch": "A small independent vendor next to Notion and Atlassian \u2014 platform-longevity risk is real. Basic caps AI at 30 questions/seat/mo; the agent and cross-tool search need the $20 Pro tier, at which point it prices like Notion Business with a fraction of the ecosystem.", "evidence": [ { "stat": "Remote MCP with 40+ tools, OAuth setup, permission inheritance, SOC 2 Type II (verified Aug 2026)", "src": "https://slite.com/mcp" }, { "stat": "Basic $10 / Pro $20 per user/mo billed yearly; MCP and API access from Basic up (Aug 2026)", "src": "https://slite.com/pricing" }, { "stat": "Pro searches across 12+ connected tools (Slack, Linear, Jira, Drive, GitHub, Salesforce\u2026)", "src": "https://slite.com/pricing" } ], "tile_note": "verified answers, deepest mcp" }, { "rank": 4, "name": "Outline", "maker": "General Outline (BSL 1.1)", "url": "https://www.getoutline.com", "docs": "https://docs.getoutline.com", "pricing": "Cloud flat-rate: $10/mo (\u226410 users) \u00b7 $79/mo (\u2264100) \u00b7 $249/mo (\u2264200) \u00b7 self-hosted free", "best_for": "Teams that want a fast Markdown wiki they can self-host \u2014 or cloud pricing that stops scaling per seat.", "why": "The self-hostable choice with real momentum: 39.7k GitHub stars, source-available (BSL 1.1), and MCP built into every workspace since Feb 18, 2026 \u2014 agents search, read, create, and edit docs natively, with an expanded toolset (patching, moves, attachments, comments) shipped Apr 26, 2026. Flat-rate cloud pricing ($79/mo for up to 100 people) undercuts every per-seat rival at team scale.", "watch": "BSL is not OSI-open-source \u2014 check the license terms if that matters. In-product AI is thin (Q&A only) \u2014 it's the substrate for external agents, not an agent platform. Small commercial team behind the cloud offering.", "evidence": [ { "stat": "MCP shipped into every workspace Feb 18, 2026; expanded write/patch tools Apr 26, 2026", "src": "https://www.getoutline.com/changelog" }, { "stat": "39.7k GitHub stars; v1.9.1 released Jul 13, 2026; BSL 1.1 (Aug 2026)", "src": "https://github.com/outline/outline" }, { "stat": "Cloud: $10/mo up to 10 users, $79/mo up to 100, $249/mo up to 200 (Aug 2026)", "src": "https://www.getoutline.com/pricing" } ], "tile_note": "self-hostable, mcp built-in" }, { "rank": 5, "name": "Superhuman Docs (ex-Coda)", "maker": "Superhuman (ex-Grammarly; acquired Coda Dec 2024)", "url": "https://superhuman.com/docs", "docs": "https://coda.io/developers", "pricing": "Free \u00b7 Pro $10/Doc Maker/mo \u00b7 Team $30/Doc Maker \u00b7 Enterprise custom \u2014 editors and viewers free", "best_for": "Teams whose wiki needs to compute \u2014 living docs with tables, buttons, automations, and two-way syncs, not just prose.", "why": "Coda's doc-as-app engine inside the Superhuman suite: knowledge hubs with structured tables, workflow automation, 800+ integrations, and MCP support that lets ChatGPT, Claude, and Cursor read and act on docs. The Doc Maker pricing model (only builders pay; editors and viewers free) stays the cheapest way to give a whole company access to structured knowledge.", "watch": "Brand and roadmap turbulence: coda.io now redirects to superhuman.com, and the product competes for attention inside a suite (Mail, Grammarly, Go) whose center of gravity is not wikis. Doc-Maker promotions quietly multiply bills; Packs can carry separate fees.", "evidence": [ { "stat": "coda.io/pricing 302-redirects to superhuman.com/plans/docs \u2014 Coda folded into Superhuman Docs (verified Aug 6, 2026)", "src": "https://superhuman.com/plans/docs" }, { "stat": "MCP integration with ChatGPT, Claude, Cursor; 800+ integrations; AI builds trackers/dashboards from prompts", "src": "https://superhuman.com/docs" }, { "stat": "Pro $10 / Team $30 per Doc Maker/mo; editors and viewers free (2026)", "src": "https://www.eesel.ai/blog/coda-pricing" } ], "tile_note": "docs that compute" } ], "matrix": { "cols": [ "Pricing model", "Open source", "Data lives", "MCP", "AI in product", "Portability", "Enterprise" ], "rows": [ [ "Notion", "Per-seat + agent credits", "No", "Their cloud", "Hosted, official (OAuth)", "Agents + custom agents + search", "Lossy export (databases)", "SAML \u00b7 zero-retention AI" ], [ "Obsidian", "Free + optional add-ons", "No (app) \u00b7 free forever", "Your disk / git", "Via files + official agent skills", "None built-in (plugins)", "Perfect \u2014 plain Markdown", "Commercial license only" ], [ "Slite", "Per-seat", "No", "Their cloud", "Remote, 40+ tools, OAuth", "Agent + verification + fact-check", "Markdown export", "SOC 2 \u00b7 SSO \u00b7 HIPAA (Ent.)" ], [ "Outline", "Flat-rate cloud / free self-host", "Source-available (BSL 1.1)", "Your infra or cloud", "Built-in since Feb 2026", "Q&A only", "Markdown-native", "SSO \u00b7 audit logs" ], [ "Superhuman Docs (ex-Coda)", "Per Doc Maker", "No", "Their cloud", "Yes (ChatGPT/Claude/Cursor)", "Docs AI builds apps", "Weak \u2014 doc-app lock-in", "Suite SSO \u00b7 audit" ], [ "Confluence + Rovo", "Per-seat", "No", "Atlassian cloud / DC", "Rovo MCP, all cloud plans", "Rovo agents + search", "XML/HTML export, clunky", "Deepest compliance stack" ], [ "Anytype", "Free + paid sync tiers", "Source-available", "Local-first, E2E sync", "gRPC API + community MCP", "Early 'AI agents' (alpha)", "Good \u2014 local data, export", "No" ], [ "Slab", "Per-seat", "No", "Their cloud", "No official server", "AI Ask (Business tier)", "Markdown export", "SSO (Ent.)" ] ] }, "rules": [ { "if": "You want one product where the wiki, the search, and the agents that maintain it all live together", "then": "Notion Business at $20/seat \u2014 accept the credit-billing line item for Custom Agents and watch it monthly; usage pricing arrived May 4, 2026." }, { "if": "Your team already lives in coding agents (Claude Code, Codex) and treats knowledge as code", "then": "An Obsidian vault in a git repo, with the official obsidian-skills conventions \u2014 agents read and write it like any other files, with PR review as your governance layer." }, { "if": "Agents answering from stale docs scares you more than missing features", "then": "Slite \u2014 verification workflows plus fact-checking keep the substrate trustworthy, and its 40+-tool MCP is the deepest of any dedicated knowledge base." }, { "if": "Compliance requires self-hosting, or per-seat pricing offends you at 50+ people", "then": "Outline \u2014 free on your own infra, or $79/mo flat for up to 100 users in cloud, with MCP built into every workspace since Feb 2026." }, { "if": "Procurement is Atlassian-shaped or the org is 1,000+ people", "then": "Confluence with Rovo \u2014 the incumbent nobody gets fired for, with an MCP server included on every cloud plan (rate-limited to 500\u201310,000 calls/hr by tier)." } ], "field": [ { "name": "Confluence + Rovo", "maker": "Atlassian", "note": "The enterprise wiki incumbent; Rovo MCP server included for all cloud customers (500\u201310,000 calls/hr by plan) \u2014 the big-org near-miss for the top 5", "url": "https://www.atlassian.com/software/confluence", "oss": false, "entry": "free \u226410 \u00b7 ~$6/user/mo", "status": "active" }, { "name": "Slab", "maker": "Slab", "note": "Clean, cheap team wiki ($6.67\u201312.50/user) with AI Ask on Business \u2014 solid but development pace has visibly slowed", "url": "https://slab.com", "oss": false, "entry": "free \u226410 \u00b7 $6.67/user/mo", "status": "active" }, { "name": "Anytype", "maker": "Any Association", "note": "Local-first, E2E-encrypted, source-available (Any Source Available 1.0); gRPC API + community MCP; desktop still alpha-versioned (v0.55.5-alpha, May 2026)", "url": "https://anytype.io", "oss": true, "entry": "free \u00b7 paid sync tiers", "status": "active" }, { "name": "Capacities", "maker": "Capacities", "note": "Object-based personal knowledge studio; AI assistant + API on Pro, no MCP yet \u2014 personal brain, not company brain", "url": "https://capacities.io", "oss": false, "entry": "free \u00b7 Pro ~$12/mo", "status": "active" }, { "name": "Guru", "maker": "Guru", "note": "Pivoted from per-seat wiki to custom-priced 'expertise platform' that feeds other AI tools via MCP \u2014 enterprise-sales motion now", "url": "https://www.getguru.com", "oss": false, "entry": "custom (sales call)", "status": "active" }, { "name": "Superhuman Go / suite", "maker": "Superhuman", "note": "The suite around Docs \u2014 Mail, Grammarly, Go assistant; the reason Coda's roadmap is now shared attention", "url": "https://superhuman.com", "oss": false, "entry": "per product", "status": "active" }, { "name": "Tana", "maker": "Tana", "note": "The supertag pioneer pivoted to an 'agentic meeting platform' with native video calls \u2014 now mostly element Mt territory", "url": "https://tana.inc", "oss": false, "entry": "30-day trial \u00b7 sub", "status": "active" }, { "name": "Logseq", "maker": "Logseq (AGPL-3.0)", "note": "Open-source outliner, 44k stars; the DB rewrite has been in beta for years and momentum has bled to Obsidian", "url": "https://logseq.com", "oss": true, "entry": "free", "status": "fading" }, { "name": "Roam Research", "maker": "Roam Research", "note": "Invented the backlink era; development and community quiet through 2025\u201326 as users migrated to Obsidian/Tana", "url": "https://roamresearch.com", "oss": false, "entry": "~$15/mo", "status": "fading" }, { "name": "Mem", "maker": "Mem Labs", "note": "AI-organizes-everything notes for teams (OpenAI-backed); repositioned repeatedly, niche adoption", "url": "https://mem.ai", "oss": false, "entry": "subscription", "status": "active" }, { "name": "Craft", "maker": "Craft Docs", "note": "The prettiest docs app on Apple platforms; personal and small-team, thin agent story", "url": "https://www.craft.do", "oss": false, "entry": "free \u00b7 ~$8/mo", "status": "active" }, { "name": "Heptabase", "maker": "Heptabase", "note": "Whiteboard-first knowledge for visual thinkers; loyal niche, personal not team", "url": "https://heptabase.com", "oss": false, "entry": "~$12/mo", "status": "active" }, { "name": "Reflect", "maker": "Reflect App", "note": "Fast networked notes with built-in AI; personal-first, E2E encrypted", "url": "https://reflect.app", "oss": false, "entry": "~$10/mo", "status": "active" }, { "name": "AFFiNE", "maker": "toeverything (MIT + ent.)", "note": "Open-source Notion+Miro alternative, 69k stars, v0.26.3 (Feb 2026); self-hostable with AI canvas", "url": "https://affine.pro", "oss": true, "entry": "free \u00b7 cloud tiers", "status": "active" }, { "name": "AppFlowy", "maker": "AppFlowy (AGPL)", "note": "Open-source Notion alternative in Rust/Flutter; self-host with local AI options", "url": "https://appflowy.com", "oss": true, "entry": "free \u00b7 cloud tiers", "status": "active" }, { "name": "Nuclino", "maker": "Nuclino", "note": "Lightweight fast wiki with Sidekick AI on Business tier; deliberately simple, no MCP", "url": "https://www.nuclino.com", "oss": false, "entry": "free \u00b7 from ~$6/user/mo", "status": "active" }, { "name": "Tettra", "maker": "Tettra", "note": "Slack-first internal Q&A wiki \u2014 20,000+ orgs, AI answers/tagging; single $8/user plan", "url": "https://tettra.com", "oss": false, "entry": "$8/user/mo (min 10)", "status": "active" }, { "name": "BookStack", "maker": "Dan Brown (MIT)", "note": "Self-hosted PHP wiki stalwart \u2014 books/chapters/pages metaphor, steady releases", "url": "https://www.bookstackapp.com", "oss": true, "entry": "free (self-host)", "status": "active" }, { "name": "Wiki.js", "maker": "requarks (AGPL)", "note": "Popular Node.js wiki; v2 stable but the long-promised v3 rewrite has crawled for years", "url": "https://js.wiki", "oss": true, "entry": "free (self-host)", "status": "fading" }, { "name": "Almanac", "maker": "Almanac Labs", "note": "Structured-docs startup for async teams; site frozen with a 2023 'Go Forward' letter \u2014 effectively dormant", "url": "https://almanac.io", "oss": false, "entry": "\u2014", "status": "dead" }, { "name": "Dropbox Paper", "maker": "Dropbox", "note": "Once a contender, in maintenance mode for years as Dropbox chases Dash (AI search)", "url": "https://www.dropbox.com/paper", "oss": false, "entry": "bundled", "status": "fading" }, { "name": "Coda", "maker": "\u2192 Superhuman", "note": "Acquired by Grammarly (announced Dec 2024); coda.io now redirects to superhuman.com \u2014 lives on as Superhuman Docs (see top 5)", "url": "https://coda.io", "oss": false, "entry": "\u2014", "status": "renamed" } ], "signals": [ { "fact": "Knowledge-management software market: $16.22B (2026) \u2192 $37.64B by 2031, 18.34% CAGR; 'intelligent chatbots and virtual agents' the fastest-growing slice at 21.88% CAGR", "src": "https://www.mordorintelligence.com/industry-reports/knowledge-management-software-market" }, { "fact": "Notion: $500M ARR (Sep 2025), $11B valuation via employee tender (Jan 2026), 100M users (2024) \u2014 pulled AI up-market by bundling it into Business/Enterprise (May 2025)", "src": "https://sacra.com/c/notion/" }, { "fact": "MCP became the category's table stakes in 12 months: Notion hosted MCP (2025), Slite remote MCP (40+ tools), Outline built-in (Feb 2026), Atlassian Rovo MCP on every cloud plan, Coda/Superhuman Docs MCP", "src": "https://www.getoutline.com/changelog" }, { "fact": "The files-as-substrate wave: Obsidian CEO's official agent-skills repo hit 37k+ GitHub stars within a month of its June 2026 release", "src": "https://www.dsebastien.net/obsidian-ai-skills-by-steph-ango/" }, { "fact": "Usage-based pricing reached wikis: Notion Custom Agents moved to credit billing ($10/1,000 credits) on May 4, 2026", "src": "https://www.eesel.ai/blog/notion-ai-review" }, { "fact": "Consolidation: Coda folded into the Superhuman suite (Grammarly acquisition announced Dec 2024; coda.io redirects to superhuman.com as of Aug 2026); Guru abandoned per-seat pricing for custom 'expertise platform' deals", "src": "https://superhuman.com/plans/docs" } ], "notes": "Ranking criteria: agent-readability first (MCP depth, format portability, permission model), then team fit, trustworthiness of answers, and pricing honesty. Scope: internal knowledge only \u2014 customer-facing docs (GitBook, Mintlify) belong to Dc; enterprise search across tools (Glean, Dropbox Dash) is adjacent to Re; agent memory APIs (Mem0, Zep, Letta) are Mm; Tana's pivot puts it mostly in Mt. Conflicts/weak spots: Notion's 100M-user figure is 2024 vintage \u2014 no newer primary number exists; the Ramp '300+ agents, 70% cost reduction' claim circulating in reviews originates from Notion marketing, so we cite it nowhere load-bearing. Capacities and Nuclino render prices client-side \u2014 exact figures are from aggregators and marked approximate. Confluence per-seat pricing page would not render; ~$6/user is Atlassian's known list price, verify before quoting. Almanac's status is inferred from a frozen site (2023 CEO letter, 2023 copyright) \u2014 no formal shutdown notice found. Grammarly's rebrand to Superhuman is verified via superhuman.com itself; the exact rebrand date (reported Oct 2025) could not be confirmed on a primary page.", "sources": [ "https://www.notion.com/pricing", "https://developers.notion.com/guides/mcp/overview", "https://www.notion.com/blog/introducing-notion-3-0", "https://www.notion.com/blog/notions-hosted-mcp-server-an-inside-look", "https://sacra.com/c/notion/", "https://www.eesel.ai/blog/notion-ai-review", "https://obsidian.md/pricing", "https://www.dsebastien.net/obsidian-ai-skills-by-steph-ango/", "https://github.com/kepano/obsidian-skills", "https://slite.com/pricing", "https://slite.com/mcp", "https://www.getoutline.com/pricing", "https://www.getoutline.com/changelog", "https://github.com/outline/outline", "https://superhuman.com/docs", "https://superhuman.com/plans/docs", "https://www.eesel.ai/blog/coda-pricing", "https://www.atlassian.com/platform/remote-mcp-server", "https://www.mordorintelligence.com/industry-reports/knowledge-management-software-market", "https://tettra.com/pricing/", "https://www.getguru.com/pricing", "https://slab.com/pricing", "https://capacities.io/pricing", "https://github.com/logseq/logseq", "https://github.com/anyproto/anytype-ts", "https://github.com/toeverything/AFFiNE" ], "element": { "number": 15, "name": "Knowledge Wiki", "group": "Knowledge & Memory", "essential": true, "edition": "v2026.Q3", "revision": "r7", "license": "CC BY 4.0 \u2014 cite elems.ai", "url": "https://elems.ai/e/kw.html" } }