1)  ProtonVPN

ProtonVPN is a free VPN service that offers unlimited data, bandwidth, and speeds. It also has a strict no-logs policy, which means that it does not track or store your online activity. Those looking for a VPN that prioritizes security and privacy may choose ProtonVPN.

ProtonVPN

2) Windscribe  

It has a variety of servers in different countries, and it also offers a number of features, such as a built-in ad blocker and tracker blocker. Windscribe is a good choice for users who need a VPN for occasional use.

Windscribe

3) TunnelBear

It has a user-friendly interface and a number of features, such as a built-in ad blocker and tracker blocker. TunnelBear is a good choice for users who need a VPN for basic browsing and streaming.

TunnelBear

4) Hotspot Shield Free VPN

Hotspot Shield Free VPN is a free VPN service that offers 500MB of data per day. Hotspot Shield Free VPN is a good choice for users who need a VPN for occasional use on their mobile devices.

Hotspot Shield Free VPN

5) ZoogVPN

ZoogVPN is a free VPN service that offers 2GB of data per month. It has a user-friendly interface and a number of features, such as a kill switch and split tunneling. ZoogVPN is a good choice for users who need a VPN for basic browsing and streaming.

ZoogVPN

When choosing a free VPN, it is important to consider the following factors:

1. Data limits: Some free VPNs have data limits, which means that you will only be able to use a certain amount of data per month or day.
2. Speed: Some free VPNs can be slow, which can make it difficult to browse the web or stream videos.
3. Security: It is important to choose a free VPN that is secure and does not track or store your online activity.
4. Features: Some free VPNs offer a variety of features, such as ad blockers, tracker blockers, and kill switches.

By considering these factors, you can choose a free VPN that meets your needs and protects your privacy online.