WordPress

Free CMS for blog and website creation

Free YouTube Uploader

Upload several videos to YouTube simultaneously

BuddyPress

Create a social network on your WordPress blog

Mambo

A complete content management system

Alfresco

Open source content management system

SilverStripe

Manage web contents with an easy-to-use CMS

Disqus

Blog and webpage comment system

Drupal

Manage the publications of your web page

Newscoop

Online CMS for information professionals

CMS Made Simple

Create your personal blog on the Internet

blogBuddy

Publish your blog with this desktop client

Embed Facebook

Embed Facebook contents within WordPress pages

Metal Lion Vista

Firefox with the graphical interface of Windows Vista

WordPress.com

The CMS par excellence arrives on the desktop

Simple Machines Forum

Create and manage your own Internet forum

e107

Powerful open source CMS

IMVU

Instant messaging and chats in 3D environments

Windows Live Messenger

The departed Messenger by Microsoft

Messenger for Desktop

Facebook Messenger on your Windows desktop

Telefuel

Alternative Telegram client focused on productivity for PCs

WhatsApp Viewer

Tool to view WhatsApp chats on PC

WeChat

The Windows version of the popular Chinese messaging app

WhatsApp Messenger

The official version of WhatsApp for Windows

QQ International

The messaging application to communicate at global level

LINE

Instant messaging from your PC

WhatSender

Send multiple WhatsApp messages from your PC

Signal

Instant messaging and chat app that guarantees anonymity

Facebook Messenger

Chat with your contacts from your desktop

Telegram Messenger

Telegram's desktop client for Windows

WA Web Plus

An extension to use WhatsApp Web with more functions

imo

Talk to your friends from your PC