Here is a list of all namespaces with brief descriptions:
| NG | Low-level classes |
| NGAuth | SASL authentication classes |
| NGNet | Network classes |
| NGPop | POP3 classes |
| NGSmtp | SMTP and message-store classes |
| NGSsl | TLS/SSL transport layer security classes |
| NMain | Application-level classes |
| Nmd5 | A standalone implementation of the MD5 hashing algorithm |
