Extensions or Apps Offered by appsscript.ninja
Crx4Chrome includes 2 extensions from the developer appsscript.ninja.
GradesPaster for iSams Mark Book crx 0.1.5.1 for Chrome
About: Paste grades into iSams Mark Books + Paste data into Bulk Update + Make links clickable in LS Reports and Student Notes...
Bulk Renamer for Google Drive crx 3.0.0.2 for Chrome
About: Rename multiple files in a Google Drive folder!...