The best replacement for open collector is open drain.

The best alternatives to open collector are rated as following:
★★★★★  open drain
★★★  ttl
★★★  push pull
★★  open emitter
★★  tri state
★  totem pole
  line driver
  high impedance

Your alternative for open collector is not listed? Suggest!
Speaking about open collector, one probably shouldn't forget about pull up resistor.

Other search terms related to open collector and their ratings are:
★★★★★ pull up resistor
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open collector
open drain
ttl