20+ Best Alternatives to Second Front Systems in 2026
Game Warden delivers software to classified government environments fast
Looking for an alternative to Second Front Systems? Below are 20 AI startups working in the same space — ranked by our Neuron score so the most credible options come first. Each card shows what makes the tool a viable substitute, pricing signals, and funding stage.
- 1View alternative →
Upwind
$430MRuntime-first cloud security platform
Why it's similar: Shares categories with Second Front Systems — AI for Cyber Defense.
💵 Enterprise · Contact sales
- 2View alternative →
XBOW
$237MAutonomous offensive security AI
Why it's similar: Shares categories with Second Front Systems — AI for Cyber Defense.
💵 Enterprise · Contact sales
- 3View alternative →
Noma Security
$132MEnd-to-end security for agentic AI
Why it's similar: Shares categories with Second Front Systems — AI for Cyber Defense.
💵 Pricing not listed
- 4View alternative →
WitnessAI
$85.5MAI safety and governance platform for the enterprise
Why it's similar: Shares categories with Second Front Systems — AI for Cyber Defense.
💵 Enterprise · Contact sales
- 5View alternative →
Epirus
$550MHigh-power microwave systems that disable drone swarms in flight
Why it's similar: Shares categories with Second Front Systems — Defense AI.
💵 Enterprise · Contact sales
- 6View alternative →
Torq
$332MAgentic AI platform for the autonomous SOC
Why it's similar: Shares categories with Second Front Systems — AI for Cyber Defense.
💵 Enterprise · Contact sales
- 7View alternative →
Vega Security
$185MAI-native security analytics mesh
Why it's similar: Shares categories with Second Front Systems — AI for Cyber Defense.
💵 Pricing not listed
- 8View alternative →
Saviynt
$870MAI-powered identity security for humans, machines, and AI agents
Why it's similar: Shares categories with Second Front Systems — AI for Cyber Defense.
💵 Enterprise · Contact sales
- 9View alternative →
Oasis Security
$195MAgentic access management to secure AI agents and non-human identities
Why it's similar: Shares categories with Second Front Systems — AI for Cyber Defense.
💵 Enterprise · Contact sales
- 10View alternative →
Endor Labs
$188MAI-native application security platform for the AI-generated code era
Why it's similar: Shares categories with Second Front Systems — AI for Cyber Defense.
💵 Free
- 11View alternative →
GitGuardian
$106MSecrets detection and non-human identity security platform
Why it's similar: Shares categories with Second Front Systems — AI for Cyber Defense.
💵 Free
- 12View alternative →
Vannevar Labs
$90MAI-powered intelligence and electronic warfare software for national security
Why it's similar: Shares categories with Second Front Systems — Defense AI.
💵 Free
- 13View alternative →
Reality Defender
$48MReal-time deepfake detection for enterprises, platforms, and governments
Why it's similar: Shares categories with Second Front Systems — AI for Cyber Defense.
💵 Free
- 14View alternative →
Doppel
$105MWhy it's similar: Shares categories with Second Front Systems — AI for Cyber Defense.
💵 Free
- 15View alternative →
Castelion
$469MMass-producing affordable hypersonic weapons for defense
Why it's similar: Shares categories with Second Front Systems — Defense AI.
💵 Enterprise · Contact sales
- 16View alternative →
Cyberhaven
$250MAI-powered data protection built on data lineage and behavioral analysis
Why it's similar: Shares categories with Second Front Systems — AI for Cyber Defense.
💵 Free
- 17View alternative →
Auterion
$180MSoftware-defined autonomy and AI for drone swarms across air, land and sea
Why it's similar: Shares categories with Second Front Systems — Defense AI.
💵 Enterprise · Contact sales
- 18View alternative →
Astrix Security
$70MIdentity security for AI agents and non-human identities
Why it's similar: Shares categories with Second Front Systems — AI for Cyber Defense.
💵 Enterprise · Contact sales
- 19View alternative →
Tenzai
$75MWhy it's similar: Shares categories with Second Front Systems — AI for Cyber Defense.
💵 Free
- 20View alternative →
Skydweller Aero
$45MSolar-powered autonomous aircraft for perpetual flight
Why it's similar: Shares categories with Second Front Systems — Defense AI.
💵 Enterprise · Contact sales
Frequently asked questions
What are the best alternatives to Second Front Systems?
The top-ranked alternatives to Second Front Systems on NeuronFeed are Upwind, XBOW, Noma Security, WitnessAI, Epirus. Rankings are based on our Neuron score, which weighs funding, momentum and editorial signal.
Is there a free alternative to Second Front Systems?
Yes — Endor Labs, GitGuardian, Vannevar Labs offer a free plans. See the pricing column for each alternative above.
How is this list ranked?
We rank alternatives by shared categories with Second Front Systems, then by our proprietary Neuron score (0–100) which combines funding, team quality, momentum, and editorial input. The list refreshes every 30 days.
Second Front Systems vs Upwind — which is better?
It depends on use case. Upwind (Runtime-first cloud security platform) is the #1-ranked alternative. See the full side-by-side at /compare/second-front-systems-vs-upwind-security.
Explore more around Second Front Systems
Contextual paths to related AI startups, deals and rankings.