The best replacement for decklink is kona.

The best alternatives to decklink are rated as following:
★★★★★  kona
★★  matrox
★  aja

Your alternative for decklink is not listed? Suggest!
Speaking about decklink, one probably shouldn't forget about avid.

Other search terms related to decklink and their ratings are:
★★★★★ avid
You have in mind a companion for decklink and it is not yet here? Propose!



Google Trends

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decklink
kona
matrox