"Important: The contents of Personal Package Archives are not checked or monitored. You install software from them at your own risk."
Meaning, this is theoretically as likely to contain malware, as any random collection of software would be. Hence PuP is a sensible flag for this site - note 'POTENTIALLY'-unwanted. Highly likely that they're wanted, most of the time!
In practice, people like to keep respect for one another and keep the site clean - but it MUST be made clear that no auto-auditing is done and NOTHING physically stops anyone from uploading malware (even the NSA with an agenda, etc?)
- Being a fanboi NEVER improves one's security. Never trust a source you cannot verify for yourself. This launchpad.net site has good vibes, but 'good vibes' are no more a guarantee of security as the good vibes appearing to come from a Microsoft TV commercial, to the ignorant viewer, for example...
It's a great way to track Ubuntu specific bugs, but the developers take a little too long to get to them.
I've submitted bugs for old versions of Ubuntu (like 11.04) that got replies and triaged RECENTLY.
This is a web site for unofficial Ubuntu Linux software projects and repository for those projects. The software ranges from untested to community tested software that is either free of restrictions to some restrictions. Software is available as sources or DEB binaries available via PPA (using Aptitude or apt).