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End user
An end user is the person who actually uses a product, system, or service, as distinct from the people who buy, build, administer, or resell it.
End-of-train device
An end-of-train device, also called a flashing rear-end device (FRED), is a radio-equipped unit on the rear of North American freight trains that replaced the caboose.
End-to-end autonomous driving
End-to-end autonomous driving is an approach in which one machine learning system maps raw sensor input directly to a vehicle's control signals, first demonstrated by ALVINN in 1989.
End-to-end encryption
End-to-end encryption (E2EE) is a communications arrangement in which data is encrypted on the sender's device and can be decrypted only on the recipient's, so service providers see only ciphertext.
End-to-end principle
The end-to-end principle, also called the end-to-end argument, is a design principle for distributed systems holding that certain functions belong at the endpoints, not the network.
End-user license agreement
An end-user license agreement (EULA) is a contract between a software publisher and the user, granting a license to install and use the program rather than selling the copy.
Endeavor 1.0
Endeavor 1.0 is a closed-source large language model released by Flower Labs, a Cambridge University spinout, on September 1, 2026, designed for reasoning, coding, and long-horizon agent work.
Endeavor Air
Endeavor Air, formerly Pinnacle Airlines, is a Minneapolis-based regional airline wholly owned by Delta Air Lines, flying about 150 regional jets as Delta Connection to 122 destinations in the United States, Canada, and the Caribbean.
Endeavour Energy
Endeavour Energy is an Australian electricity distribution company in New South Wales, serving about 2.8 million people across Sydney's Greater West, the Blue Mountains, the Illawarra, and the South Coast.
Endesa
Endesa, S.A. is a Spanish electric utility founded in 1944 that generates, distributes, and sells electricity and gas in Spain and Portugal, majority-owned by the Italian group Enel.
Endian Firewall
Endian Firewall is a Linux-based firewall and unified threat management distribution by the Italian company Endian SRL, launched in 2004 with a free open source Community edition.
Endianness
Endianness, also called byte ordering, is the convention a computer architecture uses to arrange the bytes of a multi-byte value in memory, as big-endian or little-endian.
Endicott Oil and Gas Field
Endicott, also the Duck Island Unit, is an offshore oil field in the Beaufort Sea on Alaska's North Slope, the first Arctic offshore field, producing since 1987.
Endless Ocean Luminous
Endless Ocean Luminous, known in Japan as Forever Blue Luminous, is a 2024 underwater exploration game for Nintendo Switch and the third Endless Ocean game.
EndNote
EndNote is a commercial reference management package developed by Clarivate, first released in 1989, that stores references and inserts formatted citations into documents via Cite While You Write.
EndoMaster EASE
EndoMaster EASE, developed by EndoMaster of Singapore, is a flexible robotic endoscopic platform for endoscopic submucosal dissection of early gastrointestinal tumors, evolving from the MASTER robot that first performed robotic gastric ESD in humans in 2011.
EndoQuest Robotics
EndoQuest Robotics, formerly ColubrisMX, is a Houston-based medical device company developing the Endoluminal Surgical (ELS) System, a flexible robotic platform for surgery inside the gastrointestinal tract.
Endotics
Endotics is a disposable, worm-like robotic colonoscopy system by Italy's Era Endoscopy that advances through the colon on its own, reducing pain; FDA cleared in 2020, it is the only robotic colonoscopy system in clinical use.
Endpoint detection and response
Endpoint detection and response (EDR) is a category of security software that continuously collects telemetry from laptops, desktops, and servers to detect suspicious activity and support investigation.
Endress+Hauser
Endress+Hauser is a Swiss family-owned group headquartered in Reinach, founded in 1953 by Georg Endress and Ludwig Hauser, supplying measurement and automation technology for the process industry, with 2025 sales of 4.01 billion euros.
Endrőd oil field
The Endrőd oil field is an oil and gas field near Endrőd in southeastern Hungary, first drilled in 1962 and owned by MOL Group since 2025.
Endurance testing (software engineering)
Endurance testing, also called soak testing, is a performance testing method that sustains a typical load for 4 to 72 hours to reveal memory leaks and gradual degradation.
Endurance22 expedition
The Endurance22 expedition was a 2022 Antarctic expedition organized by the Falklands Maritime Heritage Trust that located Shackleton's ship Endurance, sunk in the Weddell Sea in 1915, at a depth of 3,008 meters in March 2022.
ENEA (Polish company)
Enea S.A., stylized ENEA, is a Polish state-controlled energy group created in 2003 and headquartered in Poznań, one of Poland's largest power companies, majority-owned by the State Treasury.
Eneas D. Kane
Eneas D. Kane (1917–2013) was an American mechanical engineer who served as chief engineer of the Manhattan Project's Beta Project and later led Chevron Research as president.
Eneba
Eneba is a Lithuanian online marketplace founded in 2018 for digital game keys, gift cards, and subscriptions, with independent merchants selling to more than 10 million registered users.
Enedis
Enedis, created in 2008 as ERDF and renamed in 2016, is an EDF subsidiary operating the public electricity distribution network across about 95% of mainland France.
Enel
Enel is an Italian multinational energy company headquartered in Rome, founded in 1962, that generates, distributes, and sells electricity and gas in Europe and Latin America.
Enel Americas
Enel Americas is a Chilean-listed electric utility, subsidiary of Italy's Enel S.p.A. and the continuing company of Enersis, serving about 23 million customers in Brazil, Colombia, and Argentina.
Enel Chile
Enel Chile is a publicly held Chilean electricity company, created in 2016 from the division of Enersis S.A., which generates power through subsidiaries and distributes electricity to about 2.2 million customers in Santiago.