The best replacement for mvc 5 is mvc 4.

The best alternatives to mvc 5 are rated as following:
★★★★★  mvc 4
★★★★  web api 2
★★  mvc 3
★  web api

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Speaking about mvc 5, one probably shouldn't forget about knockout.

Other search terms related to mvc 5 and their ratings are:
★★★★★ knockout
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mvc 5
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