Eiffelroom
- Community site for Eiffel language users: articles, libraries, tools, packages, blogs, polls, glossary, FAQ, links.
- http://www.eiffelroom.com/

TUNES project: Eiffel
- For TUNES project's insightful review of Eiffel.
- http://tunes.org/wiki/Eiffel

Team Eiffel
- Weblog; updated often, many contributors; maybe the most active Eiffel website.
- http://teameiffel.blogspot.com/

EiffelZone
- Large software directory (compilers, libraries, tools, applications), documents, resource guide, articles; all pages can be commented.
- http://eiffelzone.com/

Berend de Boer Page
- Develops e-POSIX, full Eiffel to POSIX binding; much information on other languages.
- http://www.berenddeboer.net/

Bertrand Meyer's ETH Page
- Eiffel's creator: overview, current, research, positions and projects, courses, publications, work in progress, non-ETH, personal, contact; innovative introductory programming textbook, Touch of Class, uses Inside-out teaching progression.
- http://se.ethz.ch/~meyer/

Wikipedia: Eiffel Programming Language
- Online encyclopedia article, including detailed information on syntax and semantics.
- http://en.wikipedia.org/wiki/Eiffel_programming_language

Webopedia: Eiffel
- Defines the term 'Eiffel', lists some links where you can find more information. Concise.
- http://webopedia.com/TERM/E/Eiffel.html

Eiffel: The Language That OOP Forgot?
- Advocacy article: history, rationale, tool list, code samples, forum comments. [DevChannel]
- http://tools.devchannel.org/article.pl?sid=03/08/18/212243

Eiffel Software
- A division of ISE (Interactive Software Engineering), the company formed by Eiffel's inventor, Bertrand Meyer. Free downloads of EiffelStudio and Eiffel ENViSioN. Many documentation about Eiffel: tutorials, articles, manuals.
- http://eiffel.com/

EiffelWorld
- The electronic newsletter for the Eiffel community.
- http://archive.eiffel.com/doc/eiffelworld/

Object Tools
- Makers of Visual Eiffel, first Eiffel compiler to generate native code; and the Rapid Application Developer (RAD) Display Machine (DM), a new approach to Eiffel RAD: it accesses Java classes. Free evaluation downloads! Site in English, Deutsche.
- http://www.object-tools.com/

Object-Oriented Language: Eiffel
- Links on Eiffel and object technology, some fine original content, including marketing Eiffel. Descriptions, news, downloads, links.
- http://www.cetus-links.org/oo_eiffel.html

The Eiffel Library Kernel Standard
- Vintage 95 of the Eiffel Library Kernel Standard, from NICE (the Nonprofit International Consortium for Eiffel).
- http://archive.eiffel.com/doc/manuals/library/elks/

Hello, World program
- Eiffel
- http://www2.latech.edu/~acm/helloworld/eiffel.html

ISE Base to SmallEiffel Port
- On 4 August 1998, ISE released the EiffelBase library as Open Source. This page tells about efforts to make EiffelBase work with the SmallEiffel compiler (as of September 6, 2002, SmallEiffel changed its name to SmartEiffel).
- http://www.netlabs.net/~richieb/sm/

CMPnet TechWeb TechEncyclopedia: Eiffel
- Great resource: over 11,000 definitions.
- http://www.techweb.com/encyclopedia/defineterm?term=eiffel

NICE: Nonprofit International Consortium for Eiffel
- Goal: promote the industrial approach to reliable construction of computer software by advancing development of an industry of high quality reusable software components, based on the Eiffel object-oriented method, language, libraries, and environment.
- http://www.eiffel-nice.org/

Eiffel Parser for SNiFF+
- Freeware add-on to make SNiFF+ an Eiffel IDE.
- http://www.willamowius.de/eiffel.html

Gobo
- Links, technical information about Eiffel standardization and available compilers and libraries, and Gobo Eiffel Project to promote free and portable tools and libraries. [Open Source]
- http://www.gobosoft.com/

Trusted Components Initiative
- Cooperative effort to advance the success of the software industry via Component-Based Development, enforcing the highest standards through systematic techniques for component quality.
- http://www.trusted-components.org/