The best replacement for capture is capture cis.

The best alternatives to capture are rated as following:
★★★★★  capture cis
★★★★  kill
★★★  kill mh3u
★★★  authorize
★★  bubble
★★  create
★★  capture
★★  shoot menendez
★★  captivate
★  splash
★  kill sadiq
★  kill raul menendez
★  kill book
★  iphoto
★  create bamboo
★  octa capture
★  failure to sense
★  bamboo splash
★  hauppauge
★  catch
★  photoshop elements
★  sensing
  mokka
  terminal capture
  snagit
  elgato
  keyframe animation
  wysiwyg
  tv tuner
  branch capture

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Speaking about capture, one probably shouldn't forget about audio.

Other search terms related to capture and their ratings are:
★★★★★ audio
easycap
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Google Trends

Scale is based on the average worldwide traffic of capture in all years. Click on graph for more.
capture
capture cis
kill