The best replacement for open source is closed source.

The best alternatives to open source are rated as following:
★★★★★  closed source
★★★★★  proprietary
★★★★  free software
★★★  proprietary software
★★★  microsoft
★★  commercial software
★★  commercial
★  freeware
★  open-source
★  open access
★  patent
  closed source software
  .net
  cobb ap
  public domain
  free
  gpl
  open source
  proprietary cms
  close source
  saas
  proprietary operating systems
  non open source
  open standards
  cots
  shareware

Your alternative for open source is not listed? Suggest!


No companions for open source have been suggested so far.
You have in mind a companion for open source and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of open source in all years. Click on graph for more.
open source
closed source
proprietary