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HandWiki - Encyclopedia of Science and Computing

HandWiki is one of the world's largest wiki-style encyclopedias on science, technology and computing. At the same time, it is a content management environment for collaborative editing of original scholarly content. Registered users can post and edit articles, books, manuals, monographs and tutorials. In order to create and edit HandWiki articles, you need to login. If you do not have the account, please request it using the top-right menu.

HandWiki log The name "HandWiki" originates from the word "Handbook", after replacing "Book" with "Wiki". HandWiki is a free online MediaWiki-style encyclopedia for collaborative editing of its content. HandWki is dedicated to science and technology. It focuses on applications of computers, software programs and programming in different areas of science, finance and engineering.

Things You Can Do in HandWiki

Logo of HandWiki Encyclopedia of science and computing.svg
Logo of HandWiki Encyclopedia
Handwiki org screenshot2019.png
HandWiki homepage, 2019
Type of site
Online encyclopedia
Available inEnglish
Created by S.V.Chekanov
RegistrationYes (Required to edit pages, via request of account)
LaunchedOct 20, 2019
Current statusActive
Content license
CC BY-SA 3.0
  • Search for terms using well-organized topics and categories;
  • Improve existing scholarly articles, track changes and discuss them in the "talk" pages, rate articles;
  • Create research articles, share them with colleagues and make your work visible on the internet;
  • Import Wikipedia draft articles if they are not accepted by the Wikipedia foundation;
  • Collaborate in real-time on many types of documents (lectures, books, technical documents, etc.) with multiple authors. The text can only be available for a group of people working on the same project. HandWiki can be used to convert such articles to LaTeX for publication;
  • Use it for education and teaching. Your text can link 314,451 wiki articles that already exist in HandWiki.

How It Compares with Similar Projects?

HandWiki is a useful alternative to commercial Overleaf for real-time collaboration. HandWiki can be used by any number of people to write articles and books. Such wiki articles can be transformed to LaTeX for publication using the HandWiki LaTeX conversion. In addition, HandWiki is an alternative to Wikipedia since it

  • is about concepts and definitions (and is less about people, places, organizations, news, etc.).
  • is less restrictive for publishing articles (see below). Wikipedia articles are typically protected by editors without easy-to-verify credentials. If your article is rejected or inappropriately modified by Wikipedia anonymous editors, bring it here.
  • has more scholarly articles than Wikipedia for several specialized topics (see statistics).
  • allows posting tutorials, lectures and user manuals using the standard Mediawiki formatting with links to internal HandWiki encyclopedic articles. Such materials can be protected by the authors using an access control, or have their own license for publishing by a 3rd party.
  • can be used to create well organized "handbooks" on specific topics since HandWiki uses namespaces (topic:article) for different fields of science. See HandWiki editing help. HandWiki is structured according to the research fields and the type of the content (i.e. "Books", "Monographs", "Manuals" etc.). This allows searches in the body of the articles using namespaces (in addition to Categories). See HandWiki search where one can select a specific topic. Wikipedia keeps all articles in the main namespace without using dedicated namespaces, therefore, finding a phrase in many thousands of unrelated articles is difficult.
  • is simpler for editing research and software articles than other general wiki-style encyclopedias. It uses additional syntax enhancements (see HandWiki user's manual) for inserting program codes, citations, images, formulas. One can reference papers and books from uploaded BibTeX files. This significantly simplifies conversions of HandWiki articles to LaTeX papers. HandWiki is designed keeping programmers in mind: It has special tags to reference documentations of Python and Java libraries.
  • has a unique dispute resolution concept using the principle "All opinions matter". Users can insert and protect "opinion" sections to any article.

How to Login

You can login (or top-right menu of all pages) to create and edit articles. If you do not have a HandWiki account, request it. While this wiki is open for editing to everyone who is registered, the HandWiki registration process checks the scientific background of the editors who want to contribute to this wiki. Our minimum requirement for the registration is at least 1 publication in a well-established peer-reviewed journal.

In order to check scientific credentials during the registration, HandWiki uses the ORCID iD.svg ORCiD token from the ORCID Organization. After login to your ORCID account, you will be redirected to the HandWiki registration page. This step verifies your publication record. Note that the ORCiD number is not associated with your HandWiki account. HandWiki does not store any information (including your publication record) from the ORCID Organization. When scientific credentials cannot be established, HandWiki allows for alternative registration.

After first-time registration, HandWiki login will not require the ORCiD number (or login to your ORCID account). You can fully control what information can be shown in your HandWiki profile.

Article Acceptance Policy

We believe in the original spirit of Wikipedia - any information from scholars must have rights for publication on Wiki-style resources. Therefore, we accept all encyclopedic articles related to science, programming and computers. These articles should contain useful information and have at least one reference to an external source that supports the content of this research information. The external sources can journal articles, preprints, arxiv.org, preprints.org (or similar), web pages and other. However, such articles should not be advertisements for any product, company or service.

Short encyclopedic HandWiki articles can be sourced from Wikipedia and similar resources. Such articles can be modified and extended. They can be put back to Wikipedia, Everipedia, and other similar public resources.


HandWiki is one of the largest wiki-style online encyclopedias on science and computing. HandWiki has more articles than English Wikipedia English Wikipedia for many specialized topics on science, computing and software. In October 2020, HandWiki had 314,451 articles on various scholarly topics. In addition to the original articles submitted to this resource, research articles are sourced from the current Wikipedia (about 80% of the HandWiki content), previous versions of Wikipedia, Deletionpedia, Citizendium, Everipedia Everipedia and other public (non-wiki) resources.

HandWiki article counts per topic in October 2020:

Main Topics Nr of articles
HandWiki main pages 72
Math, Analysis, Computing 53756
Astronomy & Space 13271
Biology 27231
Chemistry 26260
Engineering & Technology 13441
Physics 15184
Philosophy 6259
Finance/Business 8761
Medicine 4799
Social studies 7692
Earth studies 7686
Unsolved problems 3813
Auxilary topics:
Software programs & libraries 31000
Biographies of researches 17721
Organizations 13443
Companies 10488

In addition, HandWiki has books, tutorials, monographs and manuals which are not included in the above summary.


Some articles (especially manuals and tutorials) posted on HandWiki may contain license restrictions imposed by their authors. See the HandWiki copyright statement for details. However, all encyclopedic articles derived from Wikipedia, Everipedia and other public resources must have the same license as the original articles (typically, Creative Commons Attribution-Share-Alike License 3.0). Articles imported from Wikipedia and other resources must contain links to the original source.


HandWiki was created by S.V.Chekanov in October 2019 by converting much of the content of JWork.ORG wiki (2014-2016) and jHepWork wiki (2008-2014) into the MediaWiki format. The creation of HandWiki was triggered by several Limitations of Wikipedia for scholarly content.

Sponsorship Opportunities

As any software, HandWiki needs to be financially supported and maintained. It is supported via donations and membership fees that go to web services, documentation projects and user support. To ensure continuity and further development of this project, we are looking for sponsors and investors. Direct donations are also very welcome. See sponsorship opportunities and donations.

Contact Information

Please contact handwiki[AT]jwork.org for any questions related to technical support and spam removal. Requests to add or edit articles will not be processed. If you need to change an article, please register and edit it. You may also use HandWiki advertising feature.

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