Best Hierarchical

Dendron is a developer-focused knowledge base that works as a VS Code extension. It uses a hierarchical note structure (like a file system) stored as plain Markdown, making it Git-friendly. It feature...

ZWiki is a Java-based Wiki system known for its hierarchical structure and robust access control features. It supports versioning and uses a simple markup language for content creation. While its inte...

Trilium Notes is a hierarchical note-taking application built for extensive personal knowledge bases. It can be self-hosted and supports advanced features like note cloning, scripting, relation maps,...

CherryTree is a free, open-source hierarchical note-taking application. It supports Markdown and allows users to organize notes in a tree-like structure. While functional, its interface feels dated an...

Dynalist is a powerful outliner that is very similar to Workflowy but with more features, such as internal linking, tags, and date-based reminders. It is an excellent tool for users who need a structu...