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iText is a popular Java library for creating and manipulating PDF documents. Developed by iText Group NV, the library is widely used in various applications for generating PDFs programmatically. It provides a comprehensive set of features, including the ability to create, modify, and extract content from PDF files. iText supports a wide range of PDF features, such as text, images, tables, and forms, making it a versatile tool for developers. The library is known for its ease of use and robust functionality, allowing developers to integrate PDF generation capabilities into their applications with minimal effort. iText is available under different licensing models, including a commercial license and an open-source version called iText 7 AGPL. The open-source version is released under the Affero General Public License, which requires that any modifications to the library be made available under the same license. Despite its open-source nature, iText 7 AGPL is limited in functionality compared to the commercial version, which offers additional features and support. iText is widely adopted in enterprise environments and is used by many organizations for generating PDF reports, invoices, and other documents. The library is also used in various open-source projects, further demonstrating its reliability and versatility. Overall, iText is a powerful and flexible tool for working with PDF documents in Java applications.