itext/itext-java
iText for Java represents the next level of SDKs for developers that want to take advantage of the benefits PDF can bring. Equipped with a better document engine, high and low-level programming capabilities and the ability to create, edit and enhance PDF documents, iText can be a boon to nearly every workflow.
GitHub repository with 2,248 stars and 474 forks.
Language: Java
Topics: pdf, pdf-generation, library, sdk, pdfa, pdfua, digital-signature, security, encryption, documents