
eBay Inc. is an American multinational e-commerce corporation based in San Jose, California, that facilitates consumer-to-consumer and business-to-consumer sales through its website. eBay was founded by Pierre Omidyar in 1995, and became a notable success story of the dot-com bubble. eBay is a multibillion-dollar business with operations in about 32 countries, as of 2019. The company manages the eBay website, an online auction and shopping website in which people and businesses buy and sell a wide variety of goods and services worldwide. The website is free to use for buyers, but sellers are charged fees for listing items after a limited number of free listings, and again when those items are sold.

Auction Co. is an online auction company based in South Korea. It was acquired by eBay on January 8, 2001.

Auction sniping is the practice, in a timed online auction, of placing a bid likely to exceed the current highest bid as late as possible—usually seconds before the end of the auction—giving other bidders no time to outbid the sniper. This can be done either manually or by software on the bidder's computer, or by an online sniping service.
Auctiva is an eBay auction management system. It was founded in 1998. One of the original members of the eBay Developer Council, Auctiva has provided sellers and merchants with tools designed to help increase their sales volume on eBay. Jeff Schlicht, who founded Auctiva, wrote a program to automate the task of placing listings on eBay. After giving the software to friends and family who enjoyed the convenience it provided, he formed Auctiva, which is used by individuals and businesses attempting to conduct e-commerce through eBay.

Billpoint was the name of a person-to-person money transfer service founded in 1998 and purchased in 1999 by online auctioneer eBay.

Bonhams and Butterfield was a large American auction house, founded in 1865 by William Butterfield in San Francisco.

eBay Enterprise, Inc. was a multinational e-commerce corporation that specialized in creating, developing and running online shopping sites for failed brick and mortar and online brands and retailers. The company also provided a variety of marketing, consumer engagement, customer care, payment processing, fulfillment, fraud detection, and technology integration services.

Epinions.com was a general consumer review site established in 1999. Epinions was acquired in 2003 by DealTime, later Shopping.com, which was acquired by eBay in 2005. Epinions users could access reviews about a variety of items. On 25 March 2014, all community features, and features for submitting and editing reviews, were disabled. Subsequently, in May 2018, the site was fully closed down, and URLs in the epinions.com domain redirect to Shopping.com.

Gmarket is an e-commerce website based in South Korea. The company was founded in 2000 as a subsidiary of Interpark and was acquired by eBay in 2009.

Half.com was an e-commerce website and a subsidiary of eBay in which sellers offered items for sale at fixed prices. The items available on half.com were limited to books, textbooks, music, movies, video games, and video game consoles.

Halfway is a city in Baker County, Oregon, United States. The city took its name from the location of its post office, on the Alexander Stalker ranch, halfway between Pine and Jim Town. The population was 288 at the 2010 census.
Hotham House is a commercial building in Richmond, south-west London, and the UK headquarters of eBay and Gumtree. It is situated on the eastern side of the River Thames, east of Corporation Island, at the junction of the A305 and A307.

Kijiji.ca is a Canadian online classified advertising website and part of eBay Classifieds Group, which was acquired by Adevinta in 2020. It operates sections for cities and urban regions, for posting local advertisements. Kijiji was launched in February 2005 as an eBay subsidiary and become part of the eBay Classifieds Group in 2007. The Kijiji brand is used in more than 100 cities in Canada and with kijiji.it in Italy, while eBay Classifieds websites are available under different brands in other countries. The Canadian and Italian websites are managed by Dutch company Marktplaats BV, which is also part of eBay Classifieds Group.

Joshua Kopelman is an American entrepreneur, venture capitalist, and philanthropist.

Magento is an open-source e-commerce platform written in PHP. It uses multiple other PHP frameworks such as Laminas and Symfony. Magento source code is distributed under Open Software License (OSL) v3.0. Magento was acquired by Adobe Inc in May 2018 for $1.68 billion.

Mercado Libre, Inc. is an Argentine company headquartered in Buenos Aires, incorporated in the United States that operates online marketplaces dedicated to e-commerce and online auctions, including mercadolibre.com. As of 2016, Mercado Libre had 174.2 million users in Latin America, making it the region's most popular e-commerce site by number of visitors. The company has operations in Argentina, Bolivia, Brazil, Chile, Colombia, Costa Rica, Dominican Republic, Mexico, Spain, Ecuador, Guatemala, Honduras, Peru, Panama, Uruguay, and Venezuela.

MicroPlace was an American microfinance provider that focused on retail investors. Started by Tracey Pettengill Turner in 2006, MicroPlace was bought out by eBay Inc that same year.

PayPal Holdings, Inc. is an American multinational financial technology company operating an online payments system in the majority of countries that support online money transfers, and serves as an electronic alternative to traditional paper methods such as checks and money orders. The company operates as a payment processor for online vendors, auction sites and many other commercial users, for which it charges a fee.

Quikr is an Indian online marketplace and classified advertising company, based in Bangalore. Quikr has listings in over 1000 cities in India in categories such as mobile phones, household goods, cars, real estate, jobs, services and education. It was founded by Pranay Chulet and Jiby Thomas in 2008. Quikr is a free classifieds and online marketplace that helps users to sell, buy, rent, or discover anything across India.

Skype Technologies S.A.R.L is a Luxembourger telecommunications company headquartered in Luxembourg City, Luxembourg, whose chief business is the manufacturing and marketing of the video chat and instant messaging computer software program Skype, and various Internet telephony services associated with it. Microsoft purchased the company in 2011, and it has since then operated as their wholly owned subsidiary; as of 2016, it is operating as part of Microsoft's Office Product Group. The company is a Société à responsabilité limitée, or SARL, equivalent to an American limited liability company.

StubHub is an American ticket exchange and resale company. It provides services for buyers and sellers of tickets for sports, concerts, theater and other live entertainment events. It has grown from the largest secondary-market ticket marketplace in the United States into the world's largest ticket marketplace. While the company does not currently disclose its financials, in 2015 it had over 16 million unique visitors and nearly 10 million live events per month.

Where, Inc. was a location-based media company in North America. Their main products were the WHERE consumer application and WHERE Ads, a hyper-local ad network that connected merchants with local audiences. PayPal announced its acquisition of Where, Inc. in 2011 for $135 million.