toms449, a Fortran77 code which implements ACM toms algorithm 449, which solves linear programming problems in which the variables are resricted to the values 0 and 1.
The text of many ACM TOMS algorithms is available online through ACM: https://www.acm.org/pubs/calgo or NETLIB: https://www.netlib.org/toms/index.html.
The information on this web page is distributed under the MIT license.
toms449 is available in a Fortran77 version.