
AlternativeTo is a website which lists alternatives to web-based software, desktop computer software, and mobile apps, and sorts the alternatives by various criteria, including the number of registered users who have clicked the "Like" button for each of them on AlternativeTo.

Ciao was a European-based online-shopping portal with websites in the United Kingdom, France, Spain, Germany, the Netherlands, Italy and Sweden. In February 2008, the company launched an American version of the site, Ciao.com. The site provided a forum where registered users could write reviews and give their opinions on a wide variety of products to help others make decisions. These reviews were available to the general public to help consumers, but also rated by other Ciao users on their usefulness on a scale ranging from exceptional to off-topic. Up to December 2017, when a review was read by a member, the author had money added to their account. Members could also receive money through online surveys and referring friends. On 27 November 2017, Ciao announced that from 1 December all payments would be stopped. In February 2018, Ciao was closed down. Ciao was free to sign up for.

CozyCot is a social networking website for women from East Asia and Southeast Asia. It was founded by Nicole Yee in 2001, as a hobby website dedicated to Asian women. Subsequently, the concept of sharing product and service information and opinions gathered a steady community, turning it into a venture business. CozyCot users interact in the forum and by reviewing beauty products, also in the live events organized by the staff. The importance of its review database is increased by an iPhone scanner software developed by CozyCot, which allows users to pull up product reviews from the website by capturing the barcodes with cameras in their iPhones. In April 2010, CozyCot launched the newspaper and, in June 2011, the mook with the same name.

Faculty of 1000 is a publisher of services for life scientists and clinical researchers. It was acquired by Taylor & Francis Group, an Informa Company, in January 2020.

Fishpond Ltd. is a New Zealand e-commerce company. It was one of the first major companies to sell books over the Internet in New Zealand. Founded by Daniel Robertson in 2004, Fishpond.co.nz is a full-scale online bookstore. It also sells DVDs, music CDs, toys, household goods, cosmetics, and electronics. It is part of a larger business called WorldFront.

HomeStars.com is a Canadian company which publishes reviews written by homeowners about home improvement professionals such as repairman, contractors, renovators, and retailers.

idealo internet GmbH is a German price comparison service launched in Germany in 2000, and since bought by the Axel Springer AG publishing company. The headquarters are in Berlin, Germany. The idealo website allows users to compare prices on a range of products from hundreds of shops.

Jeeran is a review site to help locals and visitors find the best restaurants, closest ATM, or a mechanic. Jeeran offers reviews, photos, phone numbers, and maps for over 350,000 places in Jordan, KSA, Egypt, and Kuwait.

Qaym is an Arabic-language review site specialized at user-based reviews on restaurants around the world. It started as a review site mainly for restaurants in the Arabian region. The website runs a social networking, user review, and local search using the second generation of web Web 2.0. The website is aimed to deliver good restaurant reviews and easy access contents for Arab readers.

Qype was a Hamburg-based web 2.0 company centred on social networking and local reviews. They operated websites in Germany, the United Kingdom, France, Switzerland, Austria, Ireland, Poland, Spain, Italy and Brazil, and had approximately 22 million monthly unique European visitors.

ReviewCentre.com is a privately owned, UK operated consumer review site in the same vein as Epinions and Ciao.com.

TestFreaks is a company with solutions for B2C retailers. The company is a product review aggregator, meaning that both expert/professional- and user reviews are aggregated from thousands of sources in many different languages using an advanced backend system.

Trustpilot.com is a Danish consumer review website founded in Denmark in 2007 which hosts reviews of businesses worldwide. Nearly 1 million new reviews are posted each month. The site offers freemium services to businesses. It is listed on the London Stock Exchange and is a constituent of the FTSE 250 Index.

TV Pixie was a British website about television programmes founded in 2009. The company was closed in 2012.

A user review is a review conducted by any person who has access to the internet and publishes their experience to a review site or social media platform following product testing or the evaluation of a service. User reviews are commonly provided by consumers who volunteer to write the review, rather than professionals who are paid to evaluate the product or service. User reviews might be compared to professional nonprofit reviews from a consumer organization, or to promotional reviews from an advertiser or company marketing a product. Growth of social media platforms has enabled the facilitation of interaction between consumers after a review has been placed on online communities such as blogs, internet forums or other popular platforms.

WOT Services is the developer of MyWOT, an online reputation and Internet safety service which shows indicators of trust about existing websites. The confidence level is based both on user ratings and on third-party malware, phishing, scam and spam blacklists. The service also provides crowdsourced reviews, about to what extent websites are trustworthy, and respect user privacy, vendor reliability and child safety.
