Internet is now the biggest source for all information and can be accessed from anywhere across the world. With the expansion of Internet service, many of the websites have been banned in many countries and even in schools and offices. These restrictions could be country specific or could be blocked in some offices and schools due to policies enforced by the office. There are many instances where some services are available only in selected countries like US and UK. If you are facing these issues, a Free VPN (Virtual Private Network) will help you solve these problems. Apart from these VPN services allows you to browse the web anonymously.

A virtual private network (VPN) extends a private network across public networks like the Internet. It enables a host computer to send and receive data across shared or public networks as if they were an integral part of the private network with all the functionality, security and management policies of the private network.

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Here is a list of top free VPN services you can use to access blocked sites, please not that while some of the services are completely free of cost, others might restrict in terms of bandwidth or usage hours for free accounts.

1. VPN Book:

VPN Book is designed with the latest technologies and most advanced cryptographic techniques to keep you safe on the internet from prying eyes and hackers by securely routing all your internet traffic through an encrypted tunnel to bypass government censorship, defeat corporate surveillance and monitoring by your ISP. VPNBook strives to keep the internet a safe and free place by providing free and secure PPTP and OpenVPN service access for everyone.

2. Get US VPN:
Get US VPN provides you with US PPTP VPN in Windows, OSX, iPhone, iPad, Android Phones, Tablets & Routers.

3. Just free VPN:
Just Free VPN service simply provide fastest and most reliable free VPN connection. You can choose from three data centers located in USA, Canada and UK to get the best VPN connection for your ISP or Wi-Fi hotspot locations.

4. Hotspot Shield:

Yet another free VPN solution for Windows, Mac and iPhone with unlimited bandwidth.

5. CyberGhost

CyberGhost is offering 1GB of encrypted traffic per month on the free package, CyberGhost is another Windows-only VPN client. In order to use the service you are required to register for a free account.

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6. GPass:

The GPass service provides free VPN access as well as an impressive fast web proxy to use directly in your browser to access all restricted websites.

7. ProXPN:

ProXPN  is a free VPN service designed for use with Windows and Mac. ProXPN works by downloading a small free application which is used to connect. The service is also compatible with the iPhone and other mobile phones that support VPN.

8. SecurityKiss:

The free package provided by SecurityKiss brings you 300MB of data transfer per day, but provides an uncapped line with plenty of speed. You’ll need the SecurityKiss software to access the service, and this is only compatible with Windows.

9Its Hidden:

Originally established as a safeguard for file sharing, Its Hidden offers a competitive free service as well as paid solutions offering better contention (less users per server), professional support and dedicated IP addresses.

10. Hideman:

Hideman is a simple and free VPN service for Windows which can quickly allocate you an IP address from several countries and in turn help you to bypass location-based content restrictions and also accessing blocked sites locally. The VPN supports IPs from Australia, Canada, Czech Republic, France, Germany, Netherlands, Panama, Russia, Singapore, Ukraine, UK, US.

11. SecurityKISS:

SecurityKiss is a VPN  implementation based on OpenVPN. One of the unique features of the app is that its very simple to use and does not require any registration or user account.

12. iVPN:

This is another premium VPN service which offers VPN for US, UK and other countries as well. iVPN provides two types of VPN services- OpenVPN and L2TP/IPSec protocol.

13. HideIPVPN:

This VPN service offers free VPN accounts on servers located in United States and United Kingdom. You can access blocked sites using this VPN service.

14. USA IP:

You can get free PPTP, L2TP and OpenVPN testing account compatible with Mac OS, Windows 7, Vista, XP, Linux from USA IP.

15. ibVPN:

ibVPN allows Internet users to surf the Web invisibly and securely without leaving a trace and without being tracked. All the programs installed on your computer will automatically work via VPN so that the highest level of security and anonymity is provided.

16. VPN Reactor:

VPNreactor offers the ultimate free & internet privacy service with instant access and no complicated software to install. It works on all platforms, including Windows, Mac OSX, iPhone/iPod, iPad, Unix.

17. TunnelBear:

This is yet another very useful service which provides free VPN across multiple devices. TunnelBear gives you a hearty helping of 500MBs of free data each and every month. You can also get a bonus 1GB of free data by participating in their Twitter promotion.

18. TorVPN:

With TorVPN, you can get access to OpenVPN server, SSH access, PPTP & TOR proxy. The free VPN option is restricted to 1GB per month and works on Windows and other mobile and tablet platforms as well.

19. SpotFlux:

Spotflux encrypts and compresses your mobile internet traffic. It performs millions of cloud-based, real-time calculations, protecting you from digital harm and saving bandwidth. It works across multiple devices.

20. GetVPN:

GetVPN offers free VPN access for 1 hour daily, but they do not provide access to https and SMTP and other ports as they are closed in free account.

If you are using any free VPN which is not listed here, please do share it in comments, we will add it to the list.