Software
ProtonVPN
ProtonVPN is a virtual private network service provider operated by the Swiss company Proton Technologies AG, the provider of ProtonMail. Just like ProtonMail, ProtonVPN is a community supported project that aims to build a safer Internet that also protects civil liberties. The service provides a strict no data logging policy, that ensures that no personal data is kept by ProtonVPN. It also has Tor integration and SecureCore servers for additional security if needed. Currently, ProtonVPN provides over 560 servers in more than 40 countries.
Peri CRM
Peri CRM is a scalable and intelligent solution that helps in increasing sales and business processes through its effective customer relationship management.
Dashlane
Dashlane is a cross-platform subscription-based password manager, digital wallet application and VPN service available on macOS, Windows, iOS and Android. Everything you store in Dashlane is encrypted (converted to an unreadable code) using your Master Password as the key. Without it, your data remains safely indecipherable. The VPN services are provide through a third-party's technology, called Pango's Hotspot Shield. With the free version of Dashlane you can securely store and autofill up to 50 account passwords plus all your personal and payment information, where as with the premium version you have unlimited access to all services provided by Dashlane.
TunnelBear
TunnelBear encrypts your internet connection to keep your online activity private on any network. It's one of the few VPN providers in the world that publish regular security audits of their network and applications, by a third-party security auditor.
OperaVPN
OperaVPN is a great means for unblocking the website over the internet with a one tap.
VPNinja
VPNinja is a VPN service that utilizes OpenVPN and offers quality technical support.
FlyVPN
FlyVPN is listed among those few VPN service providers having hundreds of VPN servers in more than fifty countries of the world.
C
C is a free and open-source general-purpose, procedural programming language. The language supports structured programming, lexical variable scope, and recursion, with a static type system. By design, C provides constructs that map efficiently to typical machine instructions. C was first created and released in 1972 at Bell Labs by Dennis Ritchie, today C is used in systems where you need absolute control over memory management such as OS kernels and other mission critical software.