Trilium Notes
Features Notes can be arranged into arbitrarily deep hierarchy (tree) Notes can have more than 1 parents - see cloning Rich WYSIWYG note editing including e.g. tables and images with markdown autoformat Support for editing notes with source code, including syntax highlighting Fast and easy navigation between notes Seamless note versioning Note attributes can be used for note organization, querying and advanced [[scripting|scripts]] Synchronization with self-hosted sync server Strong note encryption Scripting - see Advanced showcases Scales well in both usability and performance upwards of 100 000 notes Night theme Markdown import & export
