Atsign

Name: Atsign
Brand: Atsign

Accelerate AI Delivery with Built-In Security

Est 2019|Raised $22.1M|10 Ref Customers

LinkedIn 4K|Web traffic 3K|FTEs 33|HQ San Jose, California, US

01Competitive Landscape

Narrative analysis

- Tailscale vs NoPorts: Tailscale is widely adopted and emphasizes encrypted mesh networking; NoPorts presents an identity-addressed, outbound-only connectivity model. Buyers should test whether NoPorts’ model fits their internal segmentation and operational practices. - Cloudflare vs NoPorts: Cloudflare is strong for browser/app ZTNA and integrates with security services; NoPorts emphasizes avoiding inbound exposure at endpoints. For non-web protocols (SSH/RDP/SMB/MQTT), Cloudflare can be used but may require different patterns. - ZeroTier vs NoPorts: ZeroTier offers flexible virtual networking and SD-WAN-like controls with available compliance statements. NoPorts differentiates with an identity-addressed model and avoidance of inbound ports.

Market adoption and credibility signals

Atsign highlights patent-related messaging and presents counts of atSign IDs in marketing materials.
Competitors (Tailscale/Cloudflare/ZeroTier) show clearer pricing transparency and broader market presence.

	Atsign / NoPorts	Tailscale	Cloudflare Zero Trust (Access/Tunnel)
Starting Price	NoPorts Personal: Free (2 devices, non-commercial); Pro: small per-month fee billed annually	Personal: Free; Starter: low per-user monthly; Premium: higher per-user monthly	Free plan available; Pay-as-you-go available at a low per-user monthly rate
Typical Use Case	Portless remote access, CGNAT-heavy environments, identity-addressed connectivity	Mesh networking for teams; WireGuard-based device connectivity	Web/app access with identity-aware policies; organizations using Cloudflare edge
Key Distinction	Avoids open inbound ports; identity-based access model	Large adoption, strong ecosystem, straightforward onboarding	Identity/policy tooling integrated with edge security stack
Key Weakness	Limited third-party reviews; unclear public compliance posture; unfamiliar identity model	Mesh/network semantics can increase lateral movement risk if ACLs misconfigured	Traffic often traverses Cloudflare edge; may require different patterns for non-HTTP workflows

01Competitive Landscape

Narrative analysis

Tailscale vs NoPorts: Tailscale is widely adopted and emphasizes encrypted mesh networking; NoPorts presents an identity-addressed, outbound-only connectivity model. Buyers should test whether NoPorts’ model fits their internal segmentation and operational practices.
Cloudflare vs NoPorts: Cloudflare is strong for browser/app ZTNA and integrates with security services; NoPorts emphasizes avoiding inbound exposure at endpoints. For non-web protocols (SSH/RDP/SMB/MQTT), Cloudflare can be used but may require different patterns.
ZeroTier vs NoPorts: ZeroTier offers flexible virtual networking and SD-WAN-like controls with available compliance statements. NoPorts differentiates with an identity-addressed model and avoidance of inbound ports.

Market adoption and credibility signals

Atsign highlights patent-related messaging and presents counts of atSign IDs in marketing materials.
Competitors (Tailscale/Cloudflare/ZeroTier) show clearer pricing transparency and broader market presence.

	Atsign / NoPorts	Tailscale	Cloudflare Zero Trust (Access/Tunnel)
Starting Price	NoPorts Personal: Free (2 devices, non-commercial); Pro: small per-month fee billed annually	Personal: Free; Starter: low per-user monthly; Premium: higher per-user monthly	Free plan available; Pay-as-you-go available at a low per-user monthly rate
Typical Use Case	Portless remote access, CGNAT-heavy environments, identity-addressed connectivity	Mesh networking for teams; WireGuard-based device connectivity	Web/app access with identity-aware policies; organizations using Cloudflare edge
Key Distinction	Avoids open inbound ports; identity-based access model	Large adoption, strong ecosystem, straightforward onboarding	Identity/policy tooling integrated with edge security stack
Key Weakness	Limited third-party reviews; unclear public compliance posture; unfamiliar identity model	Mesh/network semantics can increase lateral movement risk if ACLs misconfigured	Traffic often traverses Cloudflare edge; may require different patterns for non-HTTP workflows

Atsign

01Competitive Landscape

Narrative analysis

Market adoption and credibility signals

02Market Map

01Competitive Landscape

Narrative analysis

Market adoption and credibility signals

02Market Map