A List of Very Useful Links
Linux Operating Systems
CentOS – https://www.centos.org
RedHat – https://www.redhat.com
Fedora – https://getfedora.org
Debian – http://www.debian.org
Ubuntu – https://www.ubuntu.com
Linux Mint – https://www.linuxmint.com
openSUSE – https://www.opensuse.org
FreeBSD – https://www.freebsd.org
OpenBSD – https://www.openbsd.org
Office Suites
MS Office – https://products.office.com
FreeOffice – http://www.freeoffice.com
LibreOffice – https://www.libreoffice.org
WPS Office – https://www.wps.com/office-free
Apache OpenOffice – https://www.openoffice.org
Feng Office – http://www.fengoffice.com
Web Based Office Suites
ONLYOFFICE – https://www.onlyoffice.org
OneDrive – https://onedrive.live.com
Google Docs – https://docs.google.com
Zoho Docs – https://www.zoho.com/docs
DropBox Paper – https://www.dropbox.com/paper
Online Blogging Websites
WordPress – https://wordpress.com
Tumblr – https://www.tumblr.com
Blogger – https://www.blogger.com
Wix – http://www.wix.com
Typepad – http://www.typepad.com
Medium – https://medium.com
Weebly – https://www.weebly.com
LiveJournal – https://www.livejournal.com
Svbtle – https://svbtle.com
Technical Discussion Forums
Stackoverflow – http://stackoverflow.com
WebhostingTalk – http://www.webhostingtalk.com
BigResource – http://www.bigresource.com
Hosting Discussion – http://www.hostingdiscussion.com
Experts Exchange – https://www.experts-exchange.com
CMS (Content Management Systems)
WordPress – https://wordpress.org
Joomla – https://www.joomla.org
Drupal – https://www.drupal.org
ModX – https://modx.com
Website Baker – http://websitebaker.org/pages/en/home.php
Zikula – http://zikula.org
PHP-Nuke – https://www.phpnuke.org
Mambo – http://mambo-foundation.org
Bolt – https://bolt.cm