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GlassWire competitors & alternatives
The 12 closest competitors and alternatives to GlassWire among cybersecurity & software companies — ranked by similarity to what GlassWire actually does, not by market-cap band.
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About GlassWire
GlassWire develops personal firewall and network monitoring software that helps users track network activity, detect threats, and manage data usage.
GlassWire at a glance
GlassWire is a cybersecurity & software company headquartered in United States. Its most recent funding round, Series A, raised $14M in September 2023. Xcout tracks 1 named person at GlassWire, including Jon Hundley (Founder).
GlassWire leadership
- Jon HundleyFounder
GlassWire funding rounds
Every round on record:
| Date | Round | Amount | Investors |
|---|---|---|---|
| Series A | $14M | 4 named |
Who invested in each round, lead investors, valuations and the co-investor graph — open the full funding history →
Top 12 GlassWire competitors
Ranked by semantic similarity — how close each company is to GlassWire by what it does, using Xcout's live company graph. Click any company for its full profile, or its competitor set.
Cybersecurity & Privacy Software
Guardian Firewall provides mobile and desktop applications focused on digital privacy, offering VPN, firewall protection, and ad-blocking services.
Cybersecurity
Firewalla develops and sells hardware-based cybersecurity firewalls and network security solutions for professional, business, and home networks.
Cybersecurity
NextDNS provides a cloud-based firewall service that offers security protection, ad blocking, tracking prevention, and parental controls across all devices and networks.
Cybersecurity
IPFire develops and maintains a hardened, open-source Linux-based firewall and operating system that provides stateful packet inspection, network segmentation, encrypted VPN connectivity, and threat intelligence tools. The platform serves businesses, educational institutions, and individuals seeking enterprise-grade network security without vendor lock-in.
Computer & Network Security
Netgate provides secure networking solutions, including firewall, VPN, and routing software, appliances, and cloud services.
Cybersecurity
Corelight is a privately held cybersecurity company founded in 2016 and headquartered in San Francisco, California. It provides an evidence-based network detection and response (NDR) and threat hunting platform that transforms network data into definitive evidence to power AI-driven detection.
Cybersecurity & VPN Services
GreatFireVPN provides specialized VPN and anti-censorship software designed to bypass internet restrictions and firewalls in heavily censored countries.
Cybersecurity & DNS Services
Quad9 is a non-profit organization operating a free, public recursive DNS service that enhances user security by blocking malicious threats and protecting data privacy.
Cybersecurity
WireX Systems provides an EvidenceOps platform that combines threat detection and proof across network and cloud environments. The company's software translates packet data and cloud activity into human-readable intelligence, helping security teams investigate incidents and track operational risk.
Cybersecurity
ExtraHop provides modern Network Detection and Response (NDR) solutions that offer visibility and context for issues evading traditional security and IT tools. Its products, such as ExtraHop RevealX, help organizations respond at machine speed, detect lateral movement, and stop AI-powered threats.
Cybersecurity & DNS Services
Quad9 is a non-profit organization operating a free, public recursive DNS service that enhances internet security and privacy by blocking malicious threats.
Cybersecurity
Sunny Valley Networks, which rebranded to Zenarmor, provides next-generation firewall solutions and network security features. The company develops Zenarmor, a security plugin designed for the OPNsense firewall.
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