For private use this kind of thing is not worth the time it takes! It's faster to download
only the applications one needs and install those manually. It's also easier to "debug" any problems that way.
The source of those applications MUST be trustworthy - which means getting those only from the official site (or approved mirrors) and checking the signatures/checksums. Unfortunately most people ignore that last part, but they should
at least download from the official sites. Getting applications modified and uploaded to third-party sites, or worse, sites based on anonymous contributions, is a big
.