Signal is the most scalable encryption tool.

FileZilla is a free software, cross-platform FTP application, consisting of FileZilla Client and FileZilla Server.

TinyURL is a URL shortening web service, which provides short aliases for redirection of long URLs.

FrootVPN is a VPN service.

ZenMate VPN for Chrome gives Internet security, privacy and access to worldwide content.

RedMorph provides an easy to use extension that couples all the features of an ad tracker blocker, encrypted proxy, and content filter.

OnionCat is a VPN-adapter which allows connecting two or more computers.