SiYuan

SiYuan is a local-first personal knowledge management system that supports complete offline use, as well as end-to-end encrypted synchronization. Fuse blocks, outlines, and bidirectional links to build your eternal digital garden. SiYuan, the only important core concept is Content block. The content block can be formed through the formatting format, so that we can organize our thoughts and knowledge at the block-level granularity, and it is also convenient for reading and outputting long content. Built-in 20+ types of block-level elements and 10+ span-level elements. Rich elements meet common typesetting needs, and more specialized needs can be extended through widget blocks. Going into block focus, let's focus more on the content of the current block. All blocks support zoom-in focus, easily switch in context with breadcrumb navigation. Editing of large documents is also possible. Through dynamic loading technology, large documents with millions of words can be edited smoothly.