20+ Best Alternatives to Ocean in 2026
Agentic email security against AI-powered attacks
Looking for an alternative to Ocean? 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 →
Ocean Security
$28MAI security agents that investigate every email's intent in real time
Why it's similar: Shares categories with Ocean — AI Email, AI for Cyber Defense.
💵 Free
- 2View alternative →
AegisAI
$13MAutonomous AI agents that stop phishing before it reaches the inbox
Why it's similar: Shares categories with Ocean — AI Email, AI for Cyber Defense.
💵 Free
- 3View alternative →
Upwind
$430MRuntime-first cloud security platform
Why it's similar: Shares categories with Ocean — AI for Cyber Defense.
💵 Enterprise · Contact sales
- 4View alternative →
XBOW
$237MAutonomous offensive security AI
Why it's similar: Shares categories with Ocean — AI for Cyber Defense.
💵 Enterprise · Contact sales
- 5View alternative →
Noma Security
$132MEnd-to-end security for agentic AI
Why it's similar: Shares categories with Ocean — AI for Cyber Defense.
💵 Pricing not listed
- 6View alternative →
Snyk
$1.3BThe AI Security Fabric for securing code, models, and agents in the age of AI-driven development.
Why it's similar: Shares categories with Ocean — AI for Cyber Defense.
💵 Enterprise · Contact sales
- 7View alternative →
WitnessAI
$85.5MAI safety and governance platform for the enterprise
Why it's similar: Shares categories with Ocean — AI for Cyber Defense.
💵 Enterprise · Contact sales
- 8View alternative →
Torq
$332MAgentic AI platform for the autonomous SOC
Why it's similar: Shares categories with Ocean — AI for Cyber Defense.
💵 Enterprise · Contact sales
- 9View alternative →
Vega Security
$185MAI-native security analytics mesh
Why it's similar: Shares categories with Ocean — AI for Cyber Defense.
💵 Pricing not listed
- 10View alternative →
Saviynt
$870MAI-powered identity security for humans, machines, and AI agents
Why it's similar: Shares categories with Ocean — AI for Cyber Defense.
💵 Enterprise · Contact sales
- 11View alternative →
Oasis Security
$195MAgentic access management to secure AI agents and non-human identities
Why it's similar: Shares categories with Ocean — AI for Cyber Defense.
💵 Enterprise · Contact sales
- 12View alternative →
Endor Labs
$188MAI-native application security platform for the AI-generated code era
Why it's similar: Shares categories with Ocean — AI for Cyber Defense.
💵 Free
- 13View alternative →
GitGuardian
$106MSecrets detection and non-human identity security platform
Why it's similar: Shares categories with Ocean — AI for Cyber Defense.
💵 Free
- 14View alternative →
Reality Defender
$48MReal-time deepfake detection for enterprises, platforms, and governments
Why it's similar: Shares categories with Ocean — AI for Cyber Defense.
💵 Free
- 15View alternative →
Doppel
$105MAI-native platform for social engineering defense that protects brands and individuals from
Why it's similar: Shares categories with Ocean — AI for Cyber Defense.
💵 Free
- 16View alternative →
Cyberhaven
$250MAI-powered data protection built on data lineage and behavioral analysis
Why it's similar: Shares categories with Ocean — AI for Cyber Defense.
💵 Free
- 17View alternative →
Astrix Security
$70MIdentity security for AI agents and non-human identities
Why it's similar: Shares categories with Ocean — AI for Cyber Defense.
💵 Enterprise · Contact sales
- 18View alternative →
Chainguard
$256MSecure, minimal container images for software and AI supply chains
Why it's similar: Shares categories with Ocean — AI for Cyber Defense.
💵 Free
- 19View alternative →
Semgrep
$204MAutonomous code security and static analysis for developers
Why it's similar: Shares categories with Ocean — AI for Cyber Defense.
💵 Free
- 20View alternative →
Alcatraz AI
$100MAI facial authentication that replaces the access badge with your face
Why it's similar: Shares categories with Ocean — AI for Cyber Defense.
💵 Hardware + subscription (contact sales)
Frequently asked questions
What are the best alternatives to Ocean?
The top-ranked alternatives to Ocean on NeuronFeed are Ocean Security, AegisAI, Upwind, XBOW, Noma Security. Rankings are based on our Neuron score, which weighs funding, momentum and editorial signal.
Is there a free alternative to Ocean?
Yes — Ocean Security, AegisAI, Snyk offer a free plans. See the pricing column for each alternative above.
How is this list ranked?
We rank alternatives by shared categories with Ocean, then by our proprietary Neuron score (0–100) which combines funding, team quality, momentum, and editorial input. The list refreshes every 30 days.
Ocean vs Ocean Security — which is better?
It depends on use case. Ocean Security (AI security agents that investigate every email's intent in real time) is the #1-ranked alternative. See the full side-by-side at /compare/ocean-email-security-vs-ocean-security.
Explore more around Ocean
Contextual paths to related AI startups, deals and rankings.