Xapian and Omega

Xapian is an outstanding Open Source Probabilistic Information Retrieval library that is available under the GPL. Written in C, Xapian comes equipped with additional bindings that enable the software to be used across several languages such as Python, Perl, TCL, PHP, and Java. Notably, Guile and C# bindings are currently being developed.

The software is designed to match the requirements of developers looking for an intuitive toolkit that allows the easy integration of advanced indexing and search capabilities to their respective applications. For businesses and individuals seeking a packaged search engine for their websites, the Omega application available upon Xapian is an ideal option.

With Xapian's versatility, users can fully customize Omega to meet their website search engine needs as they grow. Therefore, unlike most website search solutions, Xapian's adaptability beyond Omega is a huge advantage.

Overall, with its vast language support, exceptional adaptability, and GPL compliance, Xapian is a powerful software suite that is perfect for developers and users searching for next-generation website search solutions.