KMSOffline is a new KMS based universal offline activator made by Ratiborus from Russia. It supports three main activation methods: KMS activation, HWID activation and KMS38 activation, so as to meet the needs from different users. In addition, it fully supports all the major editions/versions of Microsoft's Windows, Server and Office software products. The actual tests showed that the activation effect of KMSOffline is very good!

KMSonline is a relatively new online activator for Microsoft Windows & Office products, developed by Ratiborus from Russia, based on the classic KMS activation solution. Its working principle is to look for all available activation keys from various servers on the Internet, which are then used to easily activate any version of Windows operating system and Office software for free.

Windows 10 Permanent Activator Ultimate, don't be misled by its name, is not just an online activator that can retrieve MAK and Retail keys from different servers for Windows 10 all editions. In fact, it also supports activation to all editions of other Windows & Office. This includes Windows XP/Vista/7/8/8.1/10, Office 2010/2013/2016 and Windows Server 2008/2012/2016.

Re-Loader Activator is another automatic and powerful universal activator (made by R@1n/RainReLoader) with more Microsoft products and versions support, including Microsoft Windows XP/7/8/8.1/10; Server 2008, 2012 and 2016); as well as Office 365/2010/2013/2016.

KMSAuto Lite is the latest one up-to-date very powerful Microsoft Windows and Office one-click offline activation tool (KMS-activator), supports all VL (volume licensing) and RTM editions in any language (both 32-bit and 64-bit). Made by Ratiborus and Evgeny972 from Russia.