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: http://www.acm.org/pubs/calgo or NETLIB: http://www.netlib.org/toms/index.html.
The computer code and data files described and made available on this web page are distributed under the GNU LGPL license.
toms449 is available in a FORTRAN77 version.