Linear Assignment Problem
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Codes APC and APS: Carpaneto, Martello and Toth (direct download)
Code CTCS: Carpaneto and Toth (direct download)
Codes LAPJV and LAPMOD: Jonker and Volgenant (direct download)
Code NAUC: Bertsekas (link)
Codes AFLP and AFR: Bertsekas (link)
Code CSA: Goldberg and Kennedy (link)
Codes SEMIMOD (semi-assignment problem) and LAPJVRCT (rectangular matrices): Jonker and Volgenant (direct download)