OCR-PBI is a fork of the OCR-B Metafont project made in the early 1990s by Norbert Schwarz. Developed by Lise Brosseau and Antoine Gelgon in the Metafont programming language for the website of the Petite Bibliothèque Infernale de l’Agence du Doute. First released in 2015 under the SIL Open Font License (OFL).