Professional networks

LinkedIn () is an American business and employment-oriented social networking service used globally. The platform is primarily used for professional networking and career development, as it allows jobseekers to post their CVs and employers to post their job listings. As of 2026, LinkedIn has more than 1.2 billion registered members from over 200 countries and territories. It was launched on May 5, 2003, by Reid Hoffman and Eric Ly, receiving financing from numerous venture capital firms, including Sequoia Capital, in the years following its inception. Users can invite other people to become co

company responsible for the Zoom software

ResearchGate is a commercial social networking site for scientists and researchers to share papers, ask and answer questions, and find collaborators. According to a 2014 study by Nature and a 2016 article in Times Higher Education, it is the largest academic social network in terms of active users, although other services have more registered users, and a 2015–2016 survey suggests that almost as many academics have Google Scholar profiles.

Academia.edu is a commercial platform for sharing academic research that is uploaded and distributed by researchers from around the world. All academic articles are free to read by visitors, however uploading and downloading articles is restricted to registered users, with additional features accessible only as a paid subscription.

XING is a Hamburg-based career-oriented recruiting, job-search and social networking site, operated by New Work SE (until mid-2019 XING SE) and owned mainly by Hubert Burda Media.

Webex by Cisco is an American subsidiary of Cisco Systems that develops and sells web conferencing, videoconferencing and contact center as a service applications. It was founded as WebEx Communications, Inc., in 1995 and acquired by Cisco Systems in May 2007. Its headquarters are in San Jose, California.

Indeed, Inc. is an American multinational employment website for job listings launched in November 2004. It is an independent subsidiary of Japan-based company Recruit Holdings. It is headquartered in Austin, Texas, and Stamford, Connecticut, with additional offices around the world. Indeed is currently available in over 60 countries and 28 languages. In October 2010, Indeed.com surpassed Monster.com to become the highest-traffic job website in the United States.

forming professional relationships between people, businesses, or groups

Viadeo is a Web 2.0 professional social network whose members include business owners, entrepreneurs and managers. Viadeo was often compared to LinkedIn, offering free access but not being able to compete with the larger corporation. As of 2014, the site had 65 million members.

alt=Monster.com's headquarters in Weston, Massachusetts|thumb|Monster.com's headquarters in Guaynabo, Puerto Rico Monster.com is a global employment website and job search engine headquartered in Guaynabo, Puerto Rico. Along with its sister site, CareerBuilder, it is owned by BOLD Holdings.

Glassdoor is an American website where current and former employees anonymously review companies, operated by the company of the same name.

ProZ.com is a membership-based website targeting freelance translators. Founded in 1999, it is mainly used for posting and responding to translation job offers. , ProZ.com reports more than 960,000 registered users, spanning more than 200 countries and territories worldwide.

Plaxo was an online address book that launched in 2002. It was a subsidiary of cable television company Comcast from 2008 to 2017. At one point it offered a social networking service.

type of social network

CareerBuilder is an American employment website founded in 1995 that operates in the United States, Europe, and Asia. CareerBuilder provides a job search engine, talent management software, and other recruitment related services. The company is owned by BOLD Holdings.

organization