Knowledge base and wiki Tools

Open-source, file-based wiki software for teams and organizations to create, organize, and publish documentation and knowledge. Runs on PHP without a database, stores pages as plain text files, and is designed for low maintenance, extensibility via plugins, and strong access control for internal and public documentation sites.

Markdown-based personal knowledge management and note-taking app for individuals and teams who want local-first storage, rich linking, and an extensible plugin ecosystem.

Knowledge base and help center platform for product teams, support teams, and documentation owners. HelpDocs provides hosted documentation sites, search, analytics, and integrations to publish user guides, troubleshooting articles, and internal docs.

Helpjuice is a cloud-based knowledge base platform for support teams, product teams, and internal operations. It helps organizations create, organize, search, and analyze articles for customer self-service and internal documentation. The platform is designed for teams that need multi-author collaboration, advanced search, role-based access, and analytics to measure content effectiveness.

Knowledge management platform for customer-facing and internal teams to capture, verify, and surface institutional knowledge across apps like Slack, Salesforce, and Zendesk.

Open-source documentation and wiki platform for teams, technical writers, and IT departments. Bookstack organizes content into books, chapters, and pages and can be self-hosted or used via managed hosting options.

Cloud-based knowledge base platform for product teams, support teams, and documentation managers to create, organize, version, and publish technical and customer-facing documentation at scale.

Document-as-application platform for teams, product builders, and knowledge workers. Coda combines rich documents, structured tables, interactive controls, and automation so teams can build custom tools, trackers, and lightweight apps without separate codebases.

Slite is a team knowledge and documentation platform for product teams, engineering, customer success, and operations. It combines collaborative note-taking, a structured docs hierarchy, shared team folders, and integrations so teams can write, organize, and search internal knowledge in one place.

Cloud-based documentation and knowledge base platform for product, engineering, and support teams. GitBook centralizes documentation, enables collaborative editing, integrates with developer tools, and publishes searchable, versioned docs for both internal use and public product documentation.

Notion is an all-in-one workspace for writing, organizing, and collaborating on documents, structured databases, and simple project workflows. Designed for knowledge workers, product teams, and small-to-medium organizations, Notion blends notes, docs, wikis, task boards, and spreadsheets in a single editable interface with built-in collaboration and automation capabilities.