Project Sugita Genpaku (プロジェクト杉田玄白) is a project that aims to translate free content texts into Japanese. Translated texts are distributed under an open source-like licence. The project was founded by Hiro Yamagata in 1999,
- Project Gutenberg - a project digitizing works whose copyright expired.
- Aozora bunko - digitizing of Japanese copyright-free texts.