Software companies of the Czech Republic

JetBrains s.r.o. (formerly IntelliJ Software s.r.o.) is a Czech software development private limited company which makes tools for software developers and project managers. The company has its headquarters in Prague, and has offices in China, Europe, and the United States.

FlowerChecker, also known as Kindwise, is a company that uses machine learning to identify natural objects from images. This includes plants and their diseases, but also insects and mushrooms. It is based in Brno, Czech Republic. It was founded in 2014 by Ondřej Veselý, Jiří Řihák, and Ondřej Vild, at the time Ph.D. students.

Cleverlance Enterprise Solutions A.S. is a company specializing in information technology. The company's headquarters and branches are located in The Czech Republic, Prague, Brno, Bratislava and Bremen respectively. Cleverlance develops its own products, integrates IT platforms, and provides analytical services as well as software testing. These services are offered to clients ranging from financial institutions, telecommunications, to automotive industries. Since the 30th of October 2017, Cleverlance has been a member of the Association of Virtual and Augmented Reality. The company is currently working on several applications of VR and AR.

Red Hat, Inc. (formerly Red Hat Software, Inc.) is an American software company that provides open source software products to enterprises and is a subsidiary of IBM. Founded in 1993, Red Hat has its corporate headquarters in Raleigh, North Carolina, with other offices worldwide.

Flowmon Networks is a privately held technology company which develops network performance monitoring and network security products utilizing information from traffic flow. Its Flowmon product series consists of network monitoring probes, collectors for flow data (NetFlow, IPFIX and other standards) analysis and software modules which extend probes and collectors by analytical features for network behavior anomaly detection, network awareness application performance management, DDoS detection and mitigation and traffic recording.

Safetica Technologies is a European data loss prevention software (DLP) vendor. Safetica DLP is designed for contextual protection of data at the endpoint level. It blocks erroneous or malicious actions which might lead to sensitive files leaving a company. Safetica can also identify wasted costs connected with low work productivity or ineffective use of software licenses or wasted print. Safetica Technologies began developing their Data Loss Prevention software (DLP) designed for contextual protection of data at the endpoint level in 2011. Safetica is now being utilised by various organisations in over 110 countries worldwide.

Keen Software House is an independent video game developing company based in Prague, Czech Republic. The company was founded by Marek Rosa in 2010.

IceWarp, Inc. is a software company located in Prague, Czech Republic. It develops IceWarp Mail Server, an email, messaging and collaboration service for small, medium and enterprise level businesses. IceWarp has offices in the United States, Germany, Russia, the Czech Republic and India. The company has been in business since 1998 and is used by over 50,000 businesses around the world. Its product is an alternative to Exchange Server, Office 365 or G Suite.

Seznam.cz (or Seznam, list in Czech) is a web portal and search engine in the Czech Republic. Founded in 1996 by Ivo Lukačovič in Prague as the first web portal in the Czech Republic. Seznam started with a search engine and an internet version of yellow pages. Today, Seznam runs almost 30 different web services and associated brands. Seznam had more than 6 million real users per month at the end of 2014. Among the most popular services, according to NetMonitor, are its homepage seznam.cz, email.cz, search.seznam.cz and its yellow pages firmy.cz.

AVG Technologies B.V. is a brand of cybersecurity, privacy, performance and utility software applications for desktop computers and mobile devices developed by Avast, a part of Gen Digital. AVG was a cybersecurity software company founded in 1991 and it merged into Avast following an acquisition in 2017. It typically offers freeware, earning revenues from advertisers and from users that upgrade to paid versions for access to more features.