A curated list of 30+ knowledge base and documentation tools — internal wikis, customer-facing help centers, developer docs platforms, and AI-powered search. Honest pricing, real descriptions.
- Internal Wiki & Team Knowledge
- Customer-Facing Knowledge Bases
- Developer Documentation
- Open Source
- AI-Powered Knowledge Management
- Contributing
For teams that need a single source of truth internally.
| Tool | Description | Pricing |
|---|---|---|
| Confluence | Atlassian's market-leading wiki — powerful if you're already in the Jira ecosystem | From $5.75/user/mo |
| Notion | Flexible docs, wikis, and databases — the most popular all-in-one workspace | Free (paid from $8/user/mo) |
| Slab | Modern team wiki with strong search and Slack/GitHub integrations | Free up to 10 users (paid from $6.67/user/mo) |
| Tettra | Slack-first wiki — answer questions directly in Slack with KB pages | From $8.33/user/mo |
| Coda | Docs + spreadsheets + apps — good for teams that outgrew Notion | Free (paid from $10/user/mo) |
| Guru | Knowledge management that lives in your browser — surfaces answers in Slack, Salesforce, and Chrome | From $18/user/mo |
| Slite | Clean, distraction-free wiki with AI-powered document search | From $6.67/user/mo |
| Nuclino | Graph-based wiki — visual knowledge connections and fast full-text search | From $5/user/mo |
Self-service help centers that reduce support volume.
| Tool | Description | Pricing |
|---|---|---|
| Zendesk Guide | Full-featured help center integrated with Zendesk Support ticketing | From $19/agent/mo |
| Freshdesk Solutions | KB tightly integrated with Freshdesk ticketing — includes article performance metrics | Free (paid from $15/agent/mo) |
| Help Scout Docs | Beacon-powered in-app KB — shows relevant articles before the user emails | From $50/mo |
| Intercom Articles | In-app KB integrated with Intercom messenger and AI support bot | From $74/mo |
| Document360 | Mature KB platform with analytics, versioning, and multi-language support | From $149/mo |
| HelpDocs | SEO-optimized KB with clean templating and good search UX | From $45/mo |
| Helpjuice | Highly customizable KB — strong analytics showing which articles reduce tickets | From $120/mo |
| KnowledgeBase.io | Simple KB builder with multilingual support and widget embedding | From $79/mo |
| Stonly | Interactive step-by-step guides — goes beyond static articles | From $99/mo |
API references, developer portals, and technical docs.
| Tool | Description | Pricing |
|---|---|---|
| ReadMe | API documentation platform with interactive "Try It" API explorer | Free (paid from $99/mo) |
| Mintlify | Modern docs platform used by OpenAI, Anthropic, and hundreds of API companies | From $150/mo |
| GitBook | Developer-friendly docs with Git sync, OpenAPI support, and clean UI | Free (paid from $6.70/user/mo) |
| Archbee | Developer docs + internal wiki hybrid — OpenAPI, GraphQL, and code snippet support | From $50/mo |
| Docusaurus | React-based static site generator for docs — used by Meta, Shopify, Stripe | Free (open source) |
| MkDocs | Python-based static docs from Markdown — Material theme is excellent | Free (open source) |
| Nextra | Next.js-based doc theme — Vercel's own choice for their documentation | Free (open source) |
| Docz | MDX-powered docs for React component libraries | Free (open source) |
Self-host for full control over your knowledge.
| Tool | Description | License | GitHub |
|---|---|---|---|
| Wiki.js | Modern, powerful wiki built on Node.js — beautiful UI, active community | AGPL-3.0 | GitHub |
| Outline | Team knowledge base with Slack/Notion-like editing — used by thousands of teams | BSL 1.1 | GitHub |
| BookStack | Laravel-based wiki with book/chapter/page hierarchy — easy to self-host | MIT | GitHub |
| DokuWiki | File-based wiki — no database required, 20+ years of battle-testing | GPL-2.0 | GitHub |
| MediaWiki | Powers Wikipedia — extensible and proven at massive scale | GPL-2.0 | GitHub |
| Docmost | Modern open-source alternative to Notion/Confluence — real-time collaboration | AGPL-3.0 | GitHub |
| HedgeDoc | Collaborative markdown editor — great for meeting notes and shared docs | AGPL-3.0 | GitHub |
Search, generation, and maintenance with AI.
| Tool | Description | Pricing |
|---|---|---|
| Guru | AI surfaces the right knowledge in any workflow — suggests answers in real time | From $18/user/mo |
| Glean | Enterprise AI search across all your tools — Slack, Drive, Confluence, Salesforce | Contact for pricing |
| Notion AI | AI writing, summarization, and Q&A built into your Notion workspace | $10/user/mo add-on |
| Capacity | AI-powered support automation that learns from your KB and ticket history | Contact for pricing |
| Slite | AI doc search, auto-summaries, and stale content detection | From $6.67/user/mo |
| Stack Overflow for Teams | Q&A knowledge base — AI surfaces relevant threads before tickets are submitted | From $6/user/mo |
| Tettra | AI-powered Q&A that answers Slack questions from your verified KB | From $8.33/user/mo |
- KB Platform Finder — answer questions about your use case and get matched platforms
- KB Cost Calculator — real all-in costs across KB platforms for your team size
- KB Migration Guide — content migration checklist without losing SEO or structure
- KB Feature Comparison — compare 30+ platforms across search, AI features, and integrations
Contributions welcome! Please read the contributing guidelines first.
- Tools must be actively maintained (last release within 12 months)
- Include real pricing — check the vendor's pricing page, not your memory
- One PR per tool addition — keep diffs reviewable
- Descriptions should explain who it's for, not just what it does
To the extent possible under law, the contributors have waived all copyright and related rights to this work.