Open Source Alternatives to ExpressVPN
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ExpressVPN is a proprietary, subscription-based VPN service known for consistent speeds and streaming access, with closed source apps and premium pricing. Full details →
Switching from ExpressVPN to an open source alternative means trading a closed source app and a company owned by an adware-linked parent for client code you (or an independent researcher) can actually read. Mullvad matches ExpressVPN’s speed-focused, no-frills approach while going further on anonymity — no email or personal details are required to sign up, and its GPL-3.0 clients are independently audited. Proton VPN offers a similar open source, audited client with the added benefit of a genuinely usable free tier, backed by Proton AG’s broader privacy-focused ecosystem. Both trade some of ExpressVPN’s marketing polish and guaranteed streaming reliability for verifiable, auditable client behavior.
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Open Source Alternatives
Mullvad VPN
Privacy-first VPN with no account or email required
Mullvad is a Swedish VPN with open source, GPL-3.0 client apps that require no email or personal information to sign up — accounts are just a random number.
Proton VPN
VPN service with fully open source client apps
Proton VPN is a VPN from Proton AG (makers of Proton Mail) with open source, independently audited GPL-3.0 apps, plus a genuinely usable free tier.