ability ▁across ▁different ▁. NET ▁implementations . ▁ ▁The ▁table ▁lists ▁the ▁minimum ▁supported ▁implementation ▁version ▁for ▁each ▁version ▁of ▁. NET ▁Standard . ▁ ▁Web ▁frameworks ▁▁ ▁ASP . NET ▁a ▁server - side ▁web ▁application ▁framework ▁designed ▁for ▁web ▁development ▁to ▁produce ▁dynamic ▁web ▁pages . ▁It ▁is ▁the ▁successor ▁to ▁Microsoft ' s ▁Active ▁Server ▁P ages ▁( AS P ) ▁technology ▁built ▁on ▁the ▁Common ▁Language ▁Runtime ▁( CL R ). ▁It ▁provides ▁separate ▁patterns ▁for ▁developing ▁web ▁applications ▁ASP . NET ▁MVC , ▁ASP . NET ▁Web ▁API , ▁and ▁ASP . NET ▁Web ▁P ages ▁( a ▁platform ▁using ▁only ▁Raz or ▁pages ), ▁which ▁have ▁merged ▁into ▁a ▁un ified ▁MVC ▁ 6 . ▁ASP . NET ▁Core ▁a ▁successor ▁and ▁re - implementation ▁of ▁ASP . NET ▁as ▁a ▁mod ular ▁web ▁framework , ▁together ▁with ▁other ▁frameworks ▁like ▁Entity ▁Framework . ▁The ▁framework ▁uses ▁the ▁new ▁open - source ▁. NET ▁Comp iler ▁Platform ▁( cod ename ▁" R os lyn ") ▁and ▁is ▁cross ▁platform . ▁Bla zor ▁a ▁free ▁and ▁open - source ▁web ▁framework ▁that ▁enables ▁developers ▁to ▁create ▁Web ▁apps ▁using ▁C # ▁and ▁HTML . ▁Bla zor ▁Server ▁apps ▁are ▁hosted ▁on ▁an ▁ASP . NET ▁Core ▁server ▁in ▁ASP . NET ▁Raz or ▁format , ▁while ▁Bla zor ▁Web Assembly ▁apps ▁are ▁Single - page ▁apps ▁that ▁are ▁downloaded ▁to ▁the ▁client ' s ▁web ▁browser ▁before ▁running . ▁ ▁N umer ical ▁libraries ▁ ▁Open - source