4 · Feature Matrix — Stella Ops
(rev 4.0 · 24 Dec 2025)
Looking for a quick read? Check key-features.md for the short capability cards; this matrix keeps full tier-by-tier detail.
Pricing Tiers Overview
| Tier |
Scans/Day |
Registration |
Token Refresh |
Target User |
Price |
| Free |
33 |
None |
12h auto |
Individual developer |
$0 |
| Community |
333 |
Required |
30d manual |
Startups, small teams (<25) |
$0 |
| Enterprise |
2,000+ |
SSO/Contract |
Annual |
Organizations (25+), regulated |
Contact Sales |
Key Differences:
- Free → Community: 10× quota, deep analysis, Helm/K8s, email alerts, requires registration
- Community → Enterprise: Scale (HA), multi-team (RBAC scopes), automation (CI/CD), support (SLA)
Competitive Moat Features
These differentiators are available across all tiers to build brand and adoption.
| Capability |
Free |
Community |
Enterprise |
Notes |
| Signed Replayable Risk Verdicts |
✅ |
✅ |
✅ |
Core differentiator |
| Decision Capsules |
✅ |
✅ |
✅ |
Audit-grade evidence bundles |
| VEX Decisioning Engine |
✅ |
✅ |
✅ |
Trust lattice + conflict resolution |
| Reachability with Portable Proofs |
✅ |
✅ |
✅ |
Three-layer analysis |
| Smart-Diff (Semantic Risk Delta) |
✅ |
✅ |
✅ |
Material change detection |
| Unknowns as First-Class State |
✅ |
✅ |
✅ |
Uncertainty budgets |
| Deterministic Replay |
✅ |
✅ |
✅ |
stella replay srm.yaml |
SBOM & Ingestion
| Capability |
Free |
Community |
Enterprise |
Notes |
| Trivy-JSON Ingestion |
✅ |
✅ |
✅ |
|
| SPDX-JSON 3.0.1 Ingestion |
✅ |
✅ |
✅ |
|
| CycloneDX 1.6/1.7 Ingestion |
✅ |
✅ |
✅ |
|
| Auto-format Detection |
✅ |
✅ |
✅ |
|
| Delta-SBOM Cache |
✅ |
✅ |
✅ |
Warm scans <1s |
| SBOM Generation (all formats) |
✅ |
✅ |
✅ |
|
| Semantic SBOM Diff |
✅ |
✅ |
✅ |
|
| BYOS (Bring-Your-Own-SBOM) |
✅ |
✅ |
✅ |
|
| SBOM Lineage Ledger |
— |
— |
✅ |
Full versioned history |
| SBOM Lineage API |
— |
— |
✅ |
Traversal queries |
Scanning & Detection
| Capability |
Free |
Community |
Enterprise |
Notes |
| CVE Lookup via Local DB |
✅ |
✅ |
✅ |
|
| Licence-Risk Detection |
⏳ |
⏳ |
⏳ |
Q4-2025 |
| Language Analyzers (All 8) |
|
|
|
|
| — .NET/C#, Java, Go, Python |
✅ |
✅ |
✅ |
|
| — Node.js, Ruby, Bun, Native |
✅ |
✅ |
✅ |
|
| Progressive Fidelity Modes |
|
|
|
|
| — Quick Mode |
✅ |
✅ |
✅ |
|
| — Standard Mode |
✅ |
✅ |
✅ |
|
| — Deep Mode |
— |
✅ |
✅ |
Full analysis |
| Base Image Detection |
✅ |
✅ |
✅ |
|
| Layer-Aware Analysis |
✅ |
✅ |
✅ |
|
| Concurrent Scan Workers |
1 |
3 |
Unlimited |
|
Reachability Analysis
| Capability |
Free |
Community |
Enterprise |
Notes |
| Static Call Graph |
✅ |
✅ |
✅ |
|
| Entrypoint Detection |
✅ |
✅ |
✅ |
9+ framework types |
| BFS Reachability |
✅ |
✅ |
✅ |
|
| Reachability Drift Detection |
✅ |
✅ |
✅ |
|
| Binary Loader Resolution |
— |
✅ |
✅ |
ELF/PE/Mach-O |
| Feature Flag/Config Gating |
— |
✅ |
✅ |
Layer 3 analysis |
| Runtime Signal Correlation |
— |
— |
✅ |
Zastava integration |
| Gate Detection (auth/admin) |
— |
— |
✅ |
Enterprise policies |
| Path Witness Generation |
— |
— |
✅ |
Audit evidence |
| Reachability Mini-Map API |
— |
— |
✅ |
UI visualization |
| Runtime Timeline API |
— |
— |
✅ |
Temporal analysis |
Binary Analysis (BinaryIndex)
| Capability |
Free |
Community |
Enterprise |
Notes |
| Binary Identity Extraction |
✅ |
✅ |
✅ |
Build-ID, hashes |
| Build-ID Vulnerability Lookup |
✅ |
✅ |
✅ |
|
| Debian/Ubuntu Corpus |
✅ |
✅ |
✅ |
|
| RPM/RHEL Corpus |
— |
✅ |
✅ |
|
| Patch-Aware Backport Detection |
— |
✅ |
✅ |
|
| PE/Mach-O/ELF Parsers |
— |
✅ |
✅ |
|
| Binary Fingerprint Generation |
— |
— |
✅ |
Advanced detection |
| Fingerprint Matching Engine |
— |
— |
✅ |
Similarity search |
| DWARF/Symbol Analysis |
— |
— |
✅ |
Debug symbols |
Advisory Sources (Concelier)
| Source |
Free |
Community |
Enterprise |
Notes |
| NVD |
✅ |
✅ |
✅ |
|
| GHSA |
✅ |
✅ |
✅ |
|
| OSV |
✅ |
✅ |
✅ |
|
| Alpine SecDB |
✅ |
✅ |
✅ |
|
| Debian Security Tracker |
✅ |
✅ |
✅ |
|
| Ubuntu USN |
✅ |
✅ |
✅ |
|
| RHEL/CentOS OVAL |
— |
✅ |
✅ |
|
| KEV (Exploited Vulns) |
✅ |
✅ |
✅ |
|
| EPSS v4 |
✅ |
✅ |
✅ |
|
| Custom Advisory Connectors |
— |
— |
✅ |
Private feeds |
| Advisory Merge Engine |
— |
— |
✅ |
Conflict resolution |
VEX Processing (Excititor)
| Capability |
Free |
Community |
Enterprise |
Notes |
| OpenVEX Ingestion |
✅ |
✅ |
✅ |
|
| CycloneDX VEX Ingestion |
✅ |
✅ |
✅ |
|
| CSAF VEX Ingestion |
— |
✅ |
✅ |
|
| VEX Consensus Resolver |
✅ |
✅ |
✅ |
|
| Trust Vector Scoring (P/C/R) |
✅ |
✅ |
✅ |
|
| Claim Strength Multipliers |
✅ |
✅ |
✅ |
|
| Freshness Decay |
✅ |
✅ |
✅ |
|
| Conflict Detection & Penalty |
✅ |
✅ |
✅ |
K4 lattice logic |
| VEX Conflict Studio UI |
✅ |
✅ |
✅ |
Visual resolution |
| VEX Hub (Distribution) |
✅ |
✅ |
✅ |
Internal VEX network |
| Trust Calibration Service |
— |
— |
✅ |
Org-specific tuning |
Policy Engine
| Capability |
Free |
Community |
Enterprise |
Notes |
| YAML Policy Rules |
✅ |
✅ |
✅ |
Basic rules |
| Belnap K4 Four-Valued Logic |
✅ |
✅ |
✅ |
|
| Security Atoms (6 types) |
✅ |
✅ |
✅ |
|
| Disposition Selection (ECMA-424) |
✅ |
✅ |
✅ |
|
| Minimum Confidence Gate |
✅ |
✅ |
✅ |
|
| Unknowns Budget Gate |
— |
✅ |
✅ |
|
| Source Quota Gate |
— |
— |
✅ |
60% cap enforcement |
| Reachability Requirement Gate |
— |
— |
✅ |
For criticals |
| OPA/Rego Integration |
— |
— |
✅ |
Custom policies |
| Exception Objects & Workflow |
— |
— |
✅ |
Approval chains |
| Score Policy YAML |
— |
— |
✅ |
Full customization |
| Configurable Scoring Profiles |
— |
— |
✅ |
Simple/Advanced |
| Policy Version History |
— |
— |
✅ |
Audit trail |
Attestation & Signing
| Capability |
Free |
Community |
Enterprise |
Notes |
| DSSE Envelope Signing |
✅ |
✅ |
✅ |
|
| in-toto Statement Structure |
✅ |
✅ |
✅ |
|
| SBOM Predicate |
✅ |
✅ |
✅ |
|
| VEX Predicate |
✅ |
✅ |
✅ |
|
| Reachability Predicate |
— |
✅ |
✅ |
|
| Policy Decision Predicate |
— |
✅ |
✅ |
|
| Verdict Manifest (signed) |
— |
✅ |
✅ |
|
| Verdict Replay Verification |
— |
✅ |
✅ |
|
| Human Approval Predicate |
— |
— |
✅ |
Workflow attestation |
| Boundary Predicate |
— |
— |
✅ |
Network exposure |
| Key Rotation Management |
— |
— |
✅ |
Enterprise key ops |
| SLSA Provenance v1.0 |
— |
— |
✅ |
Supply chain |
| Rekor Transparency Log |
— |
— |
✅ |
Public attestation |
| Cosign Integration |
— |
— |
✅ |
Sigstore ecosystem |
Regional Crypto (Sovereign Profiles)
Sovereign crypto is core to the AGPL promise - no vendor lock-in on compliance.
| Capability |
Free |
Community |
Enterprise |
Notes |
| Default Crypto (Ed25519) |
✅ |
✅ |
✅ |
|
| FIPS 140-2/3 Mode |
✅ |
✅ |
✅ |
US Federal |
| eIDAS Signatures |
✅ |
✅ |
✅ |
EU Compliance |
| GOST/CryptoPro |
✅ |
✅ |
✅ |
Russia |
| SM National Standard |
✅ |
✅ |
✅ |
China |
| Post-Quantum (Dilithium) |
✅ |
✅ |
✅ |
Future-proof |
| Crypto Plugin Architecture |
✅ |
✅ |
✅ |
Custom HSM |
Determinism & Reproducibility
| Capability |
Free |
Community |
Enterprise |
Notes |
| Canonical JSON Serialization |
✅ |
✅ |
✅ |
|
| Content-Addressed IDs |
✅ |
✅ |
✅ |
SHA-256 |
| Replay Manifest (SRM) |
✅ |
✅ |
✅ |
|
stella replay CLI |
✅ |
✅ |
✅ |
|
| Score Explanation Arrays |
✅ |
✅ |
✅ |
|
| Evidence Freshness Multipliers |
— |
✅ |
✅ |
|
| Proof Coverage Metrics |
— |
✅ |
✅ |
|
| Fidelity Metrics (BF/SF/PF) |
— |
— |
✅ |
Audit dashboards |
| FN-Drift Rate Tracking |
— |
— |
✅ |
Quality monitoring |
| Determinism Gate CI |
— |
— |
✅ |
Automated checks |
Scoring & Risk Assessment
| Capability |
Free |
Community |
Enterprise |
Notes |
| CVSS v4.0 Display |
✅ |
✅ |
✅ |
|
| EPSS v4 Probability |
✅ |
✅ |
✅ |
|
| Priority Band Classification |
✅ |
✅ |
✅ |
|
| EPSS-at-Scan Immutability |
— |
✅ |
✅ |
|
| Unified Confidence Model |
— |
✅ |
✅ |
5-factor |
| Entropy-Based Scoring |
— |
— |
✅ |
Advanced |
| Gate Multipliers |
— |
— |
✅ |
Reachability-aware |
| Unknowns Pressure Factor |
— |
— |
✅ |
Risk budgets |
| Custom Scoring Profiles |
— |
— |
✅ |
Org-specific |
Evidence & Findings
| Capability |
Free |
Community |
Enterprise |
Notes |
| Findings List |
✅ |
✅ |
✅ |
|
| Evidence Graph View |
✅ |
✅ |
✅ |
Basic |
| Decision Capsules |
✅ |
✅ |
✅ |
|
| Findings Ledger (Immutable) |
— |
— |
✅ |
Audit trail |
| Evidence Locker (Sealed) |
— |
— |
✅ |
Export/import |
| Evidence TTL Policies |
— |
— |
✅ |
Retention rules |
| Evidence Size Budgets |
— |
— |
✅ |
Storage governance |
| Retention Tiers |
— |
— |
✅ |
Hot/Warm/Cold |
| Privacy Controls |
— |
— |
✅ |
Redaction |
| Audit Pack Export |
— |
— |
✅ |
Compliance bundles |
CLI Capabilities
| Capability |
Free |
Community |
Enterprise |
Notes |
| Scanner Commands |
✅ |
✅ |
✅ |
|
| SBOM Inspect & Diff |
✅ |
✅ |
✅ |
|
| Deterministic Replay |
✅ |
✅ |
✅ |
|
| Attestation Verify |
— |
✅ |
✅ |
|
| Unknowns Budget Check |
— |
✅ |
✅ |
|
| Evidence Export |
— |
✅ |
✅ |
|
| Audit Pack Operations |
— |
— |
✅ |
Full workflow |
| Binary Match Inspection |
— |
— |
✅ |
Advanced |
| Crypto Plugin Commands |
— |
— |
✅ |
Regional crypto |
| Admin Utilities |
— |
— |
✅ |
Ops tooling |
Web UI Capabilities
| Capability |
Free |
Community |
Enterprise |
Notes |
| Dark/Light Mode |
✅ |
✅ |
✅ |
|
| Findings Row Component |
✅ |
✅ |
✅ |
|
| Evidence Drawer |
✅ |
✅ |
✅ |
|
| Proof Tab |
✅ |
✅ |
✅ |
|
| Confidence Meter |
✅ |
✅ |
✅ |
|
| Locale Support |
— |
✅ |
✅ |
Cyrillic, etc. |
| Reproduce Verdict Button |
— |
✅ |
✅ |
|
| Audit Trail UI |
— |
— |
✅ |
Full history |
| Trust Algebra Panel |
— |
— |
✅ |
P/C/R visualization |
| Claim Comparison Table |
— |
— |
✅ |
Conflict view |
| Policy Chips Display |
— |
— |
✅ |
Gate status |
| Reachability Mini-Map |
— |
— |
✅ |
Path visualization |
| Runtime Timeline |
— |
— |
✅ |
Temporal view |
| Operator/Auditor Toggle |
— |
— |
✅ |
Role separation |
| Knowledge Snapshot UI |
— |
— |
✅ |
Air-gap prep |
| Keyboard Shortcuts |
— |
— |
✅ |
Power users |
Quota & Operations
| Capability |
Free |
Community |
Enterprise |
Notes |
| Scans per Day |
33 |
333 |
2,000+ |
Soft limit |
Usage API (/quota) |
✅ |
✅ |
✅ |
|
| Client-JWT (Online) |
12h |
30d |
Annual |
Token duration |
| Rate Limiting |
✅ |
✅ |
✅ |
|
| 429 Backpressure |
✅ |
✅ |
✅ |
|
| Retry-After Headers |
✅ |
✅ |
✅ |
|
| Priority Queue |
— |
— |
✅ |
Guaranteed capacity |
| Burst Allowance |
— |
— |
✅ |
3× daily for 1hr |
| Custom Quotas |
— |
— |
✅ |
Per contract |
Offline & Air-Gap
| Capability |
Free |
Community |
Enterprise |
Notes |
| Offline Update Kits (OUK) |
— |
Monthly |
Weekly |
Feed freshness |
| Offline Signature Verify |
— |
✅ |
✅ |
|
| One-Command Replay |
— |
✅ |
✅ |
|
| Sealed Knowledge Snapshots |
— |
— |
✅ |
Full feed export |
| Air-Gap Bundle Manifest |
— |
— |
✅ |
Transfer packages |
| No-Egress Enforcement |
— |
— |
✅ |
Strict isolation |
| Offline JWT (90d) |
— |
— |
✅ |
Extended tokens |
Deployment
| Capability |
Free |
Community |
Enterprise |
Notes |
| Docker Compose |
✅ |
✅ |
✅ |
Single-node |
| Helm Chart (K8s) |
— |
✅ |
✅ |
|
| PostgreSQL 16+ |
✅ |
✅ |
✅ |
|
| Valkey 8.0+ |
✅ |
✅ |
✅ |
|
| RustFS (S3) |
— |
✅ |
✅ |
|
| High-Availability |
— |
— |
✅ |
Multi-replica |
| Horizontal Scaling |
— |
— |
✅ |
Auto-scale |
| Dedicated Capacity |
— |
— |
✅ |
Reserved resources |
Access Control & Identity
| Capability |
Free |
Community |
Enterprise |
Notes |
| Basic Auth |
✅ |
✅ |
✅ |
|
| API Keys |
✅ |
✅ |
✅ |
|
| SSO/SAML Integration |
✅ |
✅ |
✅ |
Okta, Azure AD |
| OIDC Support |
✅ |
✅ |
✅ |
|
| Basic RBAC |
✅ |
✅ |
✅ |
User/Admin |
| Advanced RBAC |
— |
— |
✅ |
Team-based scopes |
| Multi-Tenant Management |
— |
— |
✅ |
Org hierarchy |
| Audit Log Export |
— |
— |
✅ |
SIEM integration |
Notifications & Integrations
| Capability |
Free |
Community |
Enterprise |
Notes |
| Email Notifications |
— |
✅ |
✅ |
|
| In-App Notifications |
✅ |
✅ |
✅ |
|
| EPSS Change Alerts |
— |
✅ |
✅ |
|
| Slack Integration |
✅ |
✅ |
✅ |
Basic |
| Teams Integration |
✅ |
✅ |
✅ |
Basic |
| Zastava Registry Hooks |
✅ |
✅ |
✅ |
Auto-scan on push |
| Custom Webhooks |
— |
— |
✅ |
Any endpoint |
| CI/CD Gates |
— |
— |
✅ |
GitLab/GitHub/Jenkins |
| Enterprise Connectors |
— |
— |
✅ |
Grid/Premium APIs |
Scheduling & Automation
| Capability |
Free |
Community |
Enterprise |
Notes |
| Manual Scans |
✅ |
✅ |
✅ |
|
| Scheduled Scans |
— |
— |
✅ |
Cron-based |
| Task Pack Orchestration |
— |
— |
✅ |
Declarative workflows |
| EPSS Daily Refresh |
— |
— |
✅ |
Auto-update |
| Event-Driven Scanning |
— |
— |
✅ |
On registry push |
Observability & Telemetry
| Capability |
Free |
Community |
Enterprise |
Notes |
| Basic Metrics |
✅ |
✅ |
✅ |
|
| Opt-In Telemetry |
✅ |
✅ |
✅ |
|
| OpenTelemetry Traces |
— |
— |
✅ |
Full tracing |
| Prometheus Export |
— |
— |
✅ |
Custom dashboards |
| Quality KPIs Dashboard |
— |
— |
✅ |
Triage metrics |
| SLA Monitoring |
— |
— |
✅ |
Uptime tracking |
Support & Services
| Capability |
Free |
Community |
Enterprise |
Notes |
| Documentation |
✅ |
✅ |
✅ |
|
| Community Forums |
✅ |
✅ |
✅ |
|
| GitHub Issues |
✅ |
✅ |
✅ |
|
| Email Support |
— |
— |
✅ |
Business hours |
| Priority Support |
— |
— |
✅ |
4hr response |
| 24/7 Critical Support |
— |
— |
✅ |
Add-on |
| Dedicated CSM |
— |
— |
✅ |
Named contact |
| Professional Services |
— |
— |
✅ |
Implementation |
| Training & Certification |
— |
— |
✅ |
Team enablement |
| SLA Guarantee |
— |
— |
✅ |
99.9% uptime |
Version Comparison
| Capability |
Free |
Community |
Enterprise |
Notes |
| RPM (NEVRA) |
✅ |
✅ |
✅ |
|
| Debian (EVR) |
✅ |
✅ |
✅ |
|
| Alpine (APK) |
✅ |
✅ |
✅ |
|
| SemVer |
✅ |
✅ |
✅ |
|
| PURL Resolution |
✅ |
✅ |
✅ |
|
Summary by Tier
Free Tier (33 scans/day)
Target: Individual developers, OSS contributors, evaluation
- All language analyzers (8 languages)
- All regional crypto (FIPS/eIDAS/GOST/SM/PQ)
- Full VEX processing + VEX Hub + Conflict Studio
- SSO/SAML/OIDC authentication
- Zastava registry webhooks
- Slack/Teams notifications
- Core determinism + replay
- Docker Compose deployment
- Community support
Target: Startups, small teams (<25), active open source projects
Everything in Free, plus:
- 10× scan quota
- Deep analysis mode
- Binary analysis (backport detection)
- Advanced attestation predicates
- Helm/K8s deployment
- Email notifications + EPSS alerts
- Monthly Offline Update Kit access
Registration required, 30-day token renewal
Enterprise Tier (2,000+ scans/day)
Target: Organizations 25+, compliance-driven, multi-team
Everything in Community, plus:
- Scale: HA, horizontal scaling, priority queue, burst allowance
- Multi-Team: Advanced RBAC (scopes), multi-tenant, org hierarchy
- Advanced Detection: Binary fingerprints, trust calibration
- Compliance: SLSA provenance, Rekor transparency, audit pack export
- Air-Gap: Sealed snapshots, 90-day offline tokens, no-egress mode
- Automation: CI/CD gates, custom webhooks, scheduled scans
- Observability: OpenTelemetry, Prometheus, KPI dashboards
- Support: SLA (99.9%), priority support (4hr), dedicated CSM
Legend: ✅ = Included | — = Not available | ⏳ = Planned
Last updated: 24 Dec 2025 (rev 4.0 - Tiered Commercial Model)