Cross-platform hierarchical note taking application with focus on building large personal knowledge bases. This is a port of the desktop application TriliumNext Notes. These features of the original are implemented: Synchronisation with sync server / desktop app Notes can be arranged into arbitrarily deep tree, where single notes can be placed into multiple places in the tree WYSIWYG note editor based on CKEditor Fast and easy navigation between notes Automatic note versioning Note attributes and relations for organization, querying and advanced scripting Note encryption with per-note granularity Canvas notes powered by Excalidraw Geo map notes powered by Leaflet using OSM data Note map view (context-based / all notes) Scripting API to automate tasks or send notifications In-app user guide based on TriliumNext documentation The following features are only available in the desktop client. They will be implemented in the app at a later time. Support for editing notes with source code, including syntax highlighting Full text search Sharing (publishing) notes to public internet Relation maps and link maps for visualizing notes and their relations REST API for automation Scales well in both usability and performance upwards of 100000 notes Evernote and Markdown import & export Web Clipper for easy saving of web content