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MongoDB Atlas runs apps anywhere
Deploy in 115+ regions with the modern database for every enterprise.
MongoDB Atlas gives you the freedom to build and run modern applications anywhere—across AWS, Azure, and Google Cloud. With global availability in over 115 regions, Atlas lets you deploy close to your users, meet compliance needs, and scale with confidence across any geography.
BlackRay is a persistent in-memory high performance relational database written in C++. It combines regular database features with searchengine like performance. Please visit https://forge.softmethod.de for the main development site.
BlackRay is a high performance relational database, which combines regular database features with searchengine like performance. Full transaction support, SQL and version controlled persisted snapshots characterize BlackRay.
Cheshire3 is a fast Z39.50, SRW, XML searchengine, written in Python for extensability and using C libraries for speed. Next generation of the Cheshire system (http://cheshire.berkeley.edu) and designed around a distributable, object oriented model.
Omseek has been renamed to Xapian. Xapian is a SearchEngine Library, written in C++ with bindings for Perl, Python, PHP, Java, Tcl, C# and Ruby. It allows you to easily add advanced indexing and search facilities to your applications.