HandWiki is an online encyclopedia for professional researchers in
various branches of science, created by Sergei V. Chekanov.
In December 2022, HandWiki had 2,126,151 articles on various scholarly topics. HandWiki articles are synchronized with Wikipedia, but giving preference to local edits by registered users. Unlike Wikipedia, HandWiki does not allow anonymous editing, and the quality of submitted articles is enforced by checking scholarly qualification of the editors during the registration. Authors can add their names directly at the bottom of each article using
Author template.