# Technical Documentation: torakiki/pdfsam > ℹ️ **Provenance:** Hybrid Fusion: `torakiki/pdfsam` (README + 1 In-Tree Chapters) · [CodeWiki Reference](https://codewiki.google/github.com/torakiki/pdfsam) · Recency: Active (< 180 days) ## 1. Project Overview & Quickstart (torakiki/pdfsam) PDFsam (PDF Split And Merge) ============================== Official SCM repository for PDFsam Basic, a free and open source, multi-platform software designed to extract pages, split, merge, mix and rotate PDF files. [](http://www.gnu.org/licenses/agpl-3.0.html) Where ------------------- Official website [pdfsam.org](https://pdfsam.org/ "PDFsam") License ------------------- Since version 3 PDFsam Basic is open source under the [GNU Affero General Public License], previous versions are released under GPLv2. Requirements ------------------- PDFsam Basic is written using JavaFX. Since version 4 it is released as a self-contained application and bundles a jlinked JDK while version 3 requires a Java Runtime Environment 8 with JavaFx installed in order to run. Documentation ------------------- Some [documentation](https://pdfsam.org/documentation/) and [FAQ](https://pdfsam.org/faq/) Build ------------------- This is a [simple guide](https://github.com/torakiki/pdfsam/wiki/Build-and-run) that can help you to build PDFsam Basic Contribute ------------------ Contributes are more then welcome, just please make sure you first read the [contributing guidelines](CONTRIBUTING.md) Translations ------------------ If you want to contribute translating PDFsam to your language you can do it [here](https://translations.launchpad.net/pdfsam/pdfsam-v3) Tips and tweaks ------------------ A list of properties and arguments that can tweak PDFsam behavior can be found [here](https://github.com/torakiki/pdfsam/wiki/Properties-and-arguments) [GNU Affero General Public License]: http://www.gnu.org/licenses/agpl-3.0.html ## 2. In-Tree Documentation Chapters (torakiki/pdfsam) PDFsam (PDF Split And Merge) ============================== Official SCM repository for PDFsam Basic, a free and open source, multi-platform software designed to extract pages, split, merge, mix and rotate PDF files. [](http://www.gnu.org/licenses/agpl-3.0.html) Where ------------------- Official website [pdfsam.org](https://pdfsam.org/ "PDFsam") License ------------------- Since version 3 PDFsam Basic is open source under the [GNU Affero General Public License], previous versions are released under GPLv2. Requirements ------------------- PDFsam Basic is written using JavaFX. Since version 4 it is released as a self-contained application and bundles a jlinked JDK while version 3 requires a Java Runtime Environment 8 with JavaFx installed in order to run. Documentation ------------------- Some [documentation](https://pdfsam.org/documentation/) and [FAQ](https://pdfsam.org/faq/) Build ------------------- This is a [simple guide](https://github.com/torakiki/pdfsam/wiki/Build-and-run) that can help you to build PDFsam Basic Contribute ------------------ Contributes are more then welcome, just please make sure you first read the [contributing guidelines](CONTRIBUTING.md) Translations ------------------ If you want to contribute translating PDFsam to your language you can do it [here](https://translations.launchpad.net/pdfsam/pdfsam-v3) Tips and tweaks ------------------ A list of properties and arguments that can tweak PDFsam behavior can be found [here](https://github.com/torakiki/pdfsam/wiki/Properties-and-arguments) [GNU Affero General Public License]: http://www.gnu.org/licenses/agpl-3.0.html --- METRICS --- - Files Extracted: 2 - Estimated Token Budget: ~850 tokens - Recency Window: Active (< 180 days) - Canonical Reference: https://codewiki.google/github.com/torakiki/pdfsam