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All of that programs you have listed are open source. Userland, aka everything outside the kernel, is or is not opensource depending on the progam installed/distribution used. Most, not all, distributions though ship completely open source by default, save Suse/YasT... oh, and those caldera people.
Yes all of that program you listed is opensource. Alot of distros are opensource although a few distros are not but you can get them for a low price...
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