Zero-Cost Entry8 tools audited

Free VPN & Zero Trust Network Access & Open Source Software

Technical selection of platforms without financial barrier to entry: permanent free tiers, self-hosted projects, and open-source alternatives.

View full catalog for VPN & Zero Trust Network Access

Free Limits & Commercial Threshold Matrix

Exact breakdown of quotas, credit card requirements, and commercial allowances before requiring an upgrade.

ToolModelConditionsFree Tier DetailsSSO TaxAction
TailscaleFreemium
No credit card requiredRestricted to personal / non-commercial useUnlimited usage with no expiration
Acceso gratuito indefinido para uso personal que incluye hasta 6 dispositivos de usuario, 3 grupos ACL y 50 recursos etiquetados.Single Sign-On Tax (Enterprise SAML)Try
TwingateFreemium
No credit card requiredCommercial use allowedUnlimited usage with no expiration
Plan gratuito permanente para pequeños equipos con acceso básico a recursos de red.Single Sign-On Tax (Enterprise SAML)Try
Proton VPNFreemium
No credit card requiredCommercial use allowedUnlimited usage with no expiration
Acceso gratuito indefinido con velocidad moderada y servidores limitados sin límite de datos.StandardTry
ProtonFreemium
No credit card requiredCommercial use allowedUnlimited usage with no expiration
Acceso gratuito permanente a Proton Mail y Calendar con cuota de almacenamiento limitada y funciones estándar.Single Sign-On Tax (Enterprise SAML)Try
DinemicFreemium
No credit card requiredCommercial use allowedUnlimited usage with no expiration
Versión de código abierto AGPL-3.0 disponible de forma permanente para autoalojamiento sin restricciones de uso ni necesidad de tarjeta de crédito.StandardTry
BeeswaxFree
No credit card requiredCommercial use allowedUnlimited usage with no expiration
100% Free and open source without commercial limits.StandardTry
PrologWAFFreemium
No credit card requiredCommercial use allowedUnlimited usage with no expiration
Acceso completo al motor bajo despliegue auto-alojado sin restricciones de licencia comunitaria.StandardTry
MuxscapeFree
No credit card requiredCommercial use allowedUnlimited usage with no expiration
Aplicación de escritorio completamente gratuita sin límites de uso ni funciones esenciales bloqueadas por pago.StandardTry

Audited Free & Freemium Platforms (8)

Tailscale

4.7/5.01 verified review
Freemium

Identity-based Zero Trust connectivity platform replacing traditional legacy VPNs.

  • Extremely fast deployment and initial setup across multiple operating systems.
  • Leverages the WireGuard protocol for high-speed encrypted peer-to-peer networking.
  • Deep integration with major corporate identity providers like Okta and Google.
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Twingate

4.6/5.01 verified review
Freemium

Identity-based Zero Trust network access platform to replace legacy VPNs.

  • Rapid deployment without requiring modifications to existing network architecture.
  • Granular identity-based access control at the individual resource level.
  • Superior performance compared to traditional VPNs by avoiding traffic backhauling.
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Proton VPN

4.6/5.01 verified review
Freemium

Secure and high-speed virtual private network service with audited open-source apps.

  • Fully open-source applications independently audited by third parties.
  • Native support for the WireGuard protocol across multiple platforms.
  • Strict no-logs policy backed by Swiss jurisdiction.
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Proton

4.5/5.01 verified review
Freemium

Cloud security and privacy suite with end-to-end encryption

  • End-to-end encryption and zero-knowledge architecture
  • Swiss legal jurisdiction with strict privacy laws
  • Integrated ecosystem including mail, VPN, calendar, and storage
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Dinemic

4.4/5.01 verified review
Freemium

Self-hosted authoritative DNS, load balancing, and TLS for your own servers.

  • Removes dependency on US cloud providers for DNS and traffic routing.
  • Open-source AGPL-3.0 license preventing vendor lock-in.
  • Automated TLS certificate provisioning and authoritative DNS configuration.
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Beeswax

4.2/5.01 verified review
FreeOpen SourceCC0-1.0

Turn your Android device into a dumbphone by blocking web browsers and selected applications.

  • Open-source codebase with verifiable reproducible builds.
  • Operates completely without network access or invasive permissions.
  • Automatically blocks newly installed apps to prevent bypass attempts.

13stars on GitHub

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PrologWAF

4.0/5.01 verified review
FreemiumOpen SourceMIT

A reverse WAF logic perimeter powered by Prolog and DCG parser.

  • Native Prolog logic engine with high performance on lightweight hardware.
  • Deterministic DCG parser and SIMD acceleration via Rust FFI.
  • Live telemetry output in JSONL format for real-time analysis.

8stars on GitHub

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Muxscape

4.0/5.01 verified review
FreeOpen SourceMIT

Modern SSH client turning persistent tmux sessions into clickable tabs and panes.

  • Turns complex tmux session management into an intuitive graphical workspace.
  • Keeps remote builds and agents running on servers despite network disconnections.
  • Works with existing server SSH and tmux setups without requiring custom host daemons.

1stars on GitHub

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