- Team Eiffel Blog: Eiffel related blog.
- Eiffel on Nabble: Summary of different mailing lists.
- EiffelStudio's documentation: official online documentation related to Eiffel, and EiffelStudio
- EiffelStudio project: the home of the EiffelStudio development.
- openhub.net: Eiffel project referenced at Open HUB.
- Eiffel projects on github (at least the ones subscribed in the Eiffel lang category)
- Eiffel projects on sourceforge (at least the one subscribed in the Eiffel lang category)
- NICE: The Non-Profit International Consortium for Eiffel.