While Netscape had both a browser and an email client, they were two different software applications, eg Netscape Browser and Netscape Communicator. So we don't really get 'integrated' browsers and email clients nowadays.

That said, Netscape provided an off-shoot team that became Mozilla, and Mozilla is now the 2nd highest, (after Internet Explorer), browser and email client provider, in the Firefox browser, and Thunderbird email client, (software).

Mozilla's web site for both Firefox and Thunderbird, http://www.mozilla.com/en-US/

Things have moved on now since Netscape's last updates, Happy

But you may find both Firefox and Thunderbird have similarities to their respective Netscape browser and Netscape Communicator.

About your bookmarks and emails;

1] Bookmarks. When, (if), you install Firefox, it may ask if you want to transfer the bookmarks from Netscape during setup. If not, once Firefox is installed, goto File > Import, and if Netscape is listed, select that.

Netscape stores it's Bookmarks in a file called bookmarks.html, and Firefox does the same. If the above fails, you could try copying the Netscape bookmarks.html file to the Firefox profile folder.

2] Emails.

Transferring emails may be more difficult. However, I found the Mozilla link below that may be helpful to you;
http://kb.mozillazine.org/Migrate_from_Mozilla_Suite_or_Netscape_to_Thunderbird

I hope that helps.

Note, I haven't mentioned the myriad of other browsers or email clients available because I use Firefox and Thunderbird myself, and have not used any others. Hence my own preferences and experiences are limited.

Mark