The program cohomCalg, by Ralph Blumenhagen, Benjamin Jurke, Thorsten Rahn, and Helmut Roschy, computes cohomology of line bundles, and is available from http://wwwth.mppmu.mpg.de/members/blumenha/cohomcalg/.
The source of this document is in /__w/M2/M2/macaulay2-1.26.05+ds/M2/Macaulay2/packages/Macaulay2Doc/ov_preface.m2:89:0.