JavaScript librariesBrowser fingerprinting
FingerprintJS is a browser fingerprinting library that queries browser attributes and computes a hashed visitor identifier from them

Operating systems
Ubuntu is a free and open-source operating system on Linux for the enterprise server, desktop, cloud, and IoT

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open source database rdbms for the enterprise mariadb mariadb provides enterprise open source database and cloud managed database services to support scalability missioncritical deployments and more mariadb provides enterprise open source database and cloud managed database services to support