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Open Source

Security

Encryption Patch (Security Update) Security Audit Transparency

Software whose code is public to inspect.

Definition

Open source means the software’s source code is public and can be inspected by anyone.

In plain English Software whose code is public to inspect.

Why this matters

Why it matters: Public code can increase trust and allow independent security review—but it’s not a guarantee.

Example

Example: A VPN app publishes its code so researchers can check how it handles data.

Apps Using Open Source

Examples of apps that implement or relate to this privacy concept

Element logo

Element

Privacy Score: 82

Element is a private messaging with end-to-end encryption. It helps you keep more control over yo...

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Briar logo

Briar

Privacy Score: 87

Briar is a private messaging with end-to-end encryption. It helps you keep more control over your...

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IVPN logo

IVPN

Privacy Score: 91

IVPN is a vpn service to hide your ip address and encrypt your traffic. It helps you keep more co...

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Tails logo

Tails

Privacy Score: 96

Tails is a operating system focused on security and privacy. It helps you keep more control over ...

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Mull logo

Mull

Privacy Score: 80

Mull is a privacy-friendly web browser with tracking protection. It helps you keep more control o...

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Proton Mail logo

Proton Mail

Privacy Score: 88

Proton Mail is a privacy-focused email service with strong encryption options. It helps you keep ...

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