Thomistica.net reported earlier on the possibility of downloading the first volumes of the Leonine edition. But thanks to the Bibliothèque Nationale de France more volumes are now available: vols. 22, 23, 26, 28, 40, 41, 42, 43, 45, 47.
This means that the volumes containing the disputed questions ‘De veritate’ and ‘De malo’, his scriptural commentaries on Job and Isaiah, his commentaries on Aristotle’s Ethica and De Anima and many other works can now be consulted online, including the critical apparatus and the most valuable and comprehensive introductions by father Dondaine, Gauthier and others!
Here is the link!