Obsidian
Authored by:: Brendan Langen
Obsidian is a networked hypertext notebook, in which this literature review is published. Obsidian has a strong community, growing rapidly from interested PKM folks, Roam Research expats, and . Obsidian focuses on local first storage, enabling a higher level of privacy/security than competitors like Roam.
The base form of files is .MD, which affords accelerated community development. End-user programming enables the developers to be lazy about their backlog of feature requests