Notion

Private Markdown knowledge base

Knowledge management app based on local Markdown files with powerful linking and graph visualization. Bidirectional links, graph view, canvas for spatial thinking, templates, daily notes, and 5,000+ community plugins. All data is stored as plain .md files with no vendor lock-in. Custom themes, Vim mode, and Dataview support database-like queries. Sync and Publish are paid add-ons; the core app remains free for personal use.

Beautiful documentation that converts

AI-powered documentation platform that transforms markdown into beautiful, searchable docs sites with minimal config. Features AI writing suggestions, auto API reference generation from OpenAPI specs, built-in analytics, versioning, custom domains, and a web editor for non-technical contributors. Supports MDX for interactive components. GitHub integration for CI/CD updates. Used by Anthropic, Cursor, Turso, and hundreds of developer-focused companies.

Build optimized documentation sites

Meta's open-source documentation framework built on React with MDX support, versioning, internationalization, and search. Powers documentation sites for many open-source projects with 58k+ GitHub stars. The standard choice for open-source projects that need professional documentation with minimal setup, offering blog support and plugin extensibility alongside core docs features.

End-to-end encrypted collaboration suite

CryptPad is an open-source end-to-end encrypted collaboration suite that provides real-time document editing, spreadsheets, presentations, kanban boards, whiteboards, and forms without the server ever accessing user content. Built as a privacy-first alternative to Google Workspace, CryptPad encrypts all data client-side so neither administrators nor attackers can read stored documents. It supports team drives, access control, and self-hosting.

Source-available team knowledge base and wiki with real-time collaboration

Outline is a fast, collaborative team knowledge base and wiki with a Markdown-compatible editor, nested collections, search with AI-assisted answers, integrations, and managed or self-hosted deployment.

JavaScript framework for building and visualizing multi-agent workflows on a Kanban board

KaibanJS is an MIT-licensed JavaScript framework for defining AI agents, tasks, tools, and teams, then orchestrating their work through a Kanban-inspired runtime and visual board. It can run inside Node.js, React, or Next.js projects, supports custom UIs and headless workflows, and provides real-time task-state visibility for multi-agent applications.

Private, self-hosted research notebooks with flexible AI models, source chat, and podcasts

Open Notebook is an MIT-licensed, self-hosted alternative to NotebookLM for collecting sources, chatting over research, generating reusable transformations, and producing multi-speaker podcasts. Its Docker stack keeps notebook data under the user's control while supporting 18-plus model providers, including local Ollama and LM Studio workflows.

Community MCP server for n8n node knowledge, workflow drafting, and validation

n8n-MCP is an independent, MIT-licensed community server that gives MCP-compatible assistants structured access to n8n node documentation, properties, templates, and workflow validation helpers. It is distinct from the existing n8n product page and covers the MCP layer used from clients such as Claude, Cursor, Windsurf, and Codex.

Intercom's remote MCP server for support and Help Center context.

Intercom MCP Server is Intercom's hosted remote MCP server for connecting AI tools to Intercom workspace data. It supports the recommended Streamable HTTP endpoint, OAuth or bearer-token authentication, and tools for conversations, contacts, companies, and Help Center article workflows, with access limited by token permissions and Intercom workspace policy.

HubSpot's hosted MCP server for CRM data and workflows.

HubSpot MCP Server is HubSpot's hosted remote MCP server for connecting compatible AI tools to CRM data. It uses OAuth 2.1 with PKCE through MCP auth apps, then exposes HubSpot context such as contacts, companies, deals, tickets, activities, and marketing or content objects according to user permissions, granted scopes, and sensitive-data restrictions in the account.