* [fschutt/printpdf](https://github.com/fschutt/printpdf) — PDF writing library [<img src="https://api.travis-ci.org/fschutt/printpdf.svg?branch=master">](https://travis-ci.org/fschutt/printpdf)
* [J-F-Liu/lopdf](https://github.com/J-F-Liu/lopdf) — PDF document manipulation [<img src="https://api.travis-ci.org/J-F-Liu/lopdf.svg?branch=master">](https://travis-ci.org/J-F-Liu/lopdf)
* [WASM-PDF](https://github.com/jussiniinikoski/wasm-pdf) – Generates PDF files with JavaScript and WASM (WebAssembly) [<img src="https://api.travis-ci.org/jussiniinikoski/wasm-pdf.svg?branch=master">](https://travis-ci.org/jussiniinikoski/wasm-pdf)