Softwares listed here severely violate users' rights, so they are strongly unrecommended to use.
Blacklist Criteria
1.
Bundling other harmful installers. (If an app downloads or bundles other harmless apps, the behavior will be pointed out, but the app will not be black-listed.)
2.
Collecting private information not stated in privacy policy, missing privacy terms or transferring them to third parties.
3.
Significantly weakening system security or stability, e.g. implant backdoor, break system files, perform malicious changes to root certificates, etc.
4.
Locking homepage or redirecting links that can not be disabled by configuration.
5.
Known to have other behaviors that are severe violation of users' rights.
Numbers behind the following app names are fit standard above