Al-Maktaba al-Shamila (‘The comprehensive library’, often referred to simply as Shamela) is a free software that aims at providing a digital research environment for Islamic scholars and comes with a large collection of Arabic primary sources and secondary texts. It has millions of users in the Islamic world and is also widely used in Western academia. It is currently the largest source of texts in the OpenITI corpus: about 45% of the texts in the corpus come from Shamela.