2 Best Open-Source Alternatives to NordVPN in 2026
By Noahlast updated
Compared: open-source alternatives to NordVPN
| Alternative | Best for | Standout | Biggest weakness | Learning curve | Price |
|---|---|---|---|---|---|
| NordVPNreference | individuals wanting a fast, easy-to-set-up VPN with a large server network and native apps across desktop and mobile platforms | A very large global server network with consistently fast connection speeds, bundled with Threat Protection ad/malware blocking on every plan and optional password-manager, cloud-storage, and identity-protection add-ons. | The advertised low prices require committing to a 2-year term paid upfront; the standalone monthly plan costs roughly 4x more per month ($14.99 vs $3.49), and reviewers frequently complain about renewal prices jumping sharply once the promotional period ends, making it easy to be surprised by auto-renewal charges. | Low | From $3.49/mo |
| Proton VPN | privacy-conscious users and journalists who want an open-source, independently audited VPN with a genuinely unlimited-data free tier, or paid subscribers wanting 10-device coverage bundled with Proton's email and storage products | The free tier has no data cap, unlike most competitors' free plans, and VPN Accelerator claims up to a 400% speed boost over standard WireGuard on high-latency or lossy connections. | The free tier is capped at one device and a small pool of server locations, and users who only want a fast, single-purpose VPN end up paying for Mail, Drive, Pass, and Calendar features bundled into the higher-value Unlimited plan if they upgrade past VPN Plus. | Low | Free tier · paid from $4.99/mo |
| Mullvad | privacy-conscious individuals who want anonymous signup and a single flat-rate plan instead of tiered VPN pricing | Anonymous account-number signup with no email required, combined with cash or cryptocurrency payment options and a fully open-source, independently audited client. | No free tier and no long-term discount: the price is a flat €5/month whether paid monthly or in advance, so heavy multi-year commitments don't get cheaper the way many competitors' 2-3 year plans do. | Low | Custom pricing |
1.Proton VPN — best NordVPN alternative for privacy-conscious users and journalists who want an open-source, independently audited VPN with a genuinely unlimited-data free tier, or paid subscribers wanting 10-device coverage bundled with Proton's email and storage products

Proton VPN is the best NordVPN alternative for privacy-conscious users who want to try a VPN with no data cap before paying anything, something NordVPN doesn't offer since it has no free tier at all beyond a 3-day Android trial. Proton VPN's Free plan has no data limit, unusual among free VPNs, though it restricts users to one device, medium speed, and about 10 countries; the paid VPN Plus tier costs $4.99/month billed annually, cheaper than NordVPN's $3.49/month Basic only when compared at NordVPN's discounted 2-year rate, and unlocks 10 simultaneous devices and 2,000+ servers in 140+ countries. Proton VPN's client apps are open source and independently audited, and its VPN Accelerator claims up to a 400% speed boost over standard WireGuard on lossy connections. Proton VPN holds a 4.5/5 rating from 44 Capterra reviews. NordVPN is still the better choice for buyers who want the largest server network or Threat Protection ad/malware blocking bundled into every tier by default: Proton VPN's free tier is capped at one device and a small pool of server locations, and its total server count is smaller than NordVPN's large global network.
Compared to NordVPN: genuinely free tier with no data cap vs NordVPN's zero free tiers, open-source and independently audited client apps, VPN Accelerator claims up to a 400% speed boost over standard WireGuard
Wins:Free tier has no data cap at all, vs NordVPN's zero free tiers beyond a 3-day Android trial · Client apps are open source and independently audited across Windows, macOS, Linux, iOS, and Android · VPN Accelerator claims up to a 400% speed boost over standard WireGuard on high-latency or lossy connections
Loses:Free tier is capped at one device, medium speed, and about 10 countries · Fewer total servers than NordVPN's large global network · Proton Unlimited bundles Mail, Drive, Pass, and Calendar, raising cost for users who want VPN only
Pros
- Free tier has no data cap, unusual among competitors' free plans.
- Open-source, independently audited apps across Windows, macOS, Linux, iOS, and Android.
- VPN Plus unlocks 2,000+ servers in 140+ countries with streaming-service unblocking.
- Built-in ad and malware blocker plus a kill switch on paid plans.
Cons
- Free tier limits users to one device and a small set of server locations.
- Proton Unlimited bundles Mail, Drive, Pass, and Calendar, raising cost for users who want VPN only.
- Fewer total server count than the largest competitors like NordVPN or ExpressVPN.
Pricing: Free tier · paid from $4.99/mo — $4.99/month VPN Plus (billed annually) vs NordVPN's $3.49/month Basic (2-year plan)
2.Mullvad — best NordVPN alternative for privacy-conscious individuals who want anonymous signup and a single flat-rate plan instead of tiered VPN pricing

Mullvad is the best NordVPN alternative for users who want to sign up for a VPN without providing an email address or any personal information, a level of anonymity NordVPN's standard account-based signup doesn't offer. Mullvad generates a random account number at signup and accepts cash or cryptocurrency payment for full anonymity, and it charges a single flat rate of €5/month (roughly $5.40) regardless of plan or commitment length, compared with NordVPN's tiered Basic/Complete/Prime structure that ranges from $3.49 to $7.49/month on a 2-year term. Mullvad's client apps are fully open source under GPL-3.0 and published on GitHub, with regular independent security audits, and it supports DAITA traffic-analysis defense and quantum-resistant tunnels beyond standard WireGuard. NordVPN is still the better choice for buyers who want a long-term-commitment discount or bundled extras: Mullvad offers no discount for paying annually or multi-year in advance, unlike NordVPN's 2-year pricing that drops as low as $3.49/month, and Mullvad has a smaller server network than NordVPN's large global footprint, which can matter for streaming geo-unblocking.
Compared to NordVPN: anonymous account-number signup with no email required, flat €5/month price regardless of commitment length, fully open-source (GPL-3.0) client apps with regular independent audits
Wins:Anonymous signup with a random account number; no email or personal information required, unlike NordVPN's standard account signup · Cash and cryptocurrency payment options for users who want to avoid linking a card to the account · Client apps are open source (GPL-3.0) and published on GitHub, with regular independent security audits
Loses:No discount for paying annually or multi-year in advance, unlike NordVPN's 2-year pricing that drops to $3.49/month · Smaller server network than NordVPN's large global footprint, which can matter for streaming geo-unblocking · No bundled extras like a password manager or cloud storage the way NordVPN's Complete tier includes
Pros
- Anonymous signup with a random account number; no email or personal information required.
- Cash and cryptocurrency payment options for users who want to avoid linking a card to the account.
- Client apps are open source (GPL-3.0) and published on GitHub, with regular independent security audits.
- DAITA traffic-analysis defense and quantum-resistant tunnel options beyond standard WireGuard.
Cons
- No free tier; every user pays the same flat €5/month with no trial beyond the money-back guarantee window.
- No discount for paying annually or multi-year in advance, unlike competitors that cut price sharply on longer commitments.
- Smaller server network than large competitors like NordVPN or ExpressVPN, which can matter for streaming geo-unblocking.
- No bundled extras (password manager, ad blocker as a separate product, antivirus) that some competitors include in higher tiers.
Pricing: Custom pricing — Flat €5/month (~$5.40) vs NordVPN's $3.49-$7.49/month tiered pricing (2-year plan) (verified undefined NaN, NaN)