The other files are Java source code from the original, unmodified Java source code, which we should get back too eventually. (Currently, we have an index.html file for that.) PDFTK-HTML — GitLab June 3, 2023 — Added an index page which contains the source code and Java source. PDFTK-JAVA — GitLab May 6, 2023 — Added Java and PDF files. PDFTK-BASIC — GitLab Sep 18, 2023 — Added the source code and Java source. Pdftk-HTML — GitLab Sep 22, 2023 — Updated to pdftk-html to match the Java source. PDFTK-HTML -- GitHub June 3, 2023 — Updated pdftk-html, so it matches the source code. PDFTK-BASIC — GitHub June 3, 2023 — Updated to pdftk-basic to match the source code. 3.05 – January 31, 2023 — [old source code]. Fixed an edit bug introduced in version 3.00. Fixed problems with the code generated by pdftk-java and pdftk-javac. Fixed the pdftk-html source code as of version 3.01. 3.00 – February 2, 2023 — [old source code]. Added a Java (runtime) wrapper around the PDF tool. Made the Java class 'PDF.java' in the git repository publicly available. Modified java-pdftk source code in order to run the java compiler. Added the pdftk-javac source code to the git repository. Implemented the JAVA_C_COMPILER field in the pdftk-javac source code (that is, the class 'pdf.jar') and the JAVA_PATH_TO_JAVA field in the java.Lang. Class file to make PDF possible to run on Java-specific programs (e.g. not on Eclipse.) 2.35 – September 28, 2023 — [OLD] Added the pdftk-java source code to the git repository. 2.30 – Mar 14, 2023 — [OLD] Implemented PDF on a Windows server.