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StacksAtlas vs Spitfire

A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.

StacksAtlas compared with Spitfire
DetailStacksAtlas logo StacksAtlasSpitfire logo Spitfire
What it doesNetwork Intelligence for Modern Infrastructure Self-hosted, on-premise load testing and performance testing platform
StageNot given Not given
FoundedNot given Not given
Based inUS TR
Pricing modelNot given Freemium
PricingFree Community: $0 - Open-source MIT session scanner with unlimited device discovery, no license key required. Always-On Business: $40 one-time perpetual license per appliance - includes persistent database, alerts, webhooks, multi-user RBAC, SSO, Hub mode, and fleet federation. Free: $0 with a free key, no expiry. Starter: $83/mo (billed yearly: $990). Growth: $242/mo (billed yearly: $2,900). Enterprise: contact for pricing.
Key features
  • Visual topology map showing device connections across switches and Wi-Fi
  • Security grades (HEALTHY, WARN, CRITICAL) for each device
  • Real-time alerts and webhooks for device status (Business only)
  • Ghost device detection with flap detection tracking
  • Multi-user RBAC and SSO support (Business only)
  • Hub federation for multi-site monitoring
  • PDF and CSV report export
  • Runs on Windows, macOS, Docker, and Linux
  • REST API with JWT authentication for integrations
  • No-code test builder with web editor or JSON
  • Multi-location load generation with percentage split
  • Release comparison: A/B testing same test on two releases
  • Protocol support: HTTP, gRPC, WebSocket, Kafka, SQL, MongoDB
  • Server and database metrics collection with Collector and Tower
  • Monitoring integrations: Datadog, New Relic, Dynatrace, Instana, Zabbix
  • Import tests from OpenAPI, Postman, HAR, k6, or JMeter
  • Scheduled runs with Slack, Teams, email and SMS alerts
  • Production write guard: flags dangerous writes and data-changing requests
What makes it different
  • No device limits or license keys required on any tier, including free
  • Completely local and offline-first with zero cloud telemetry
  • 100% open-source core under MIT License
  • Lightweight appliance designed for resource-constrained environments
  • Self-hosted: all data stays in your network, runs offline-verified license
  • No per-VU or per-test-hour charges: fixed license price with unlimited load
  • Always-on monitoring mode: runs tests at low load 24/7 on production
  • Enterprise security: SSO, SAML, LDAP, audit log, encrypted secrets
  • Version history and comparison: track every test change and compare releases
Community votes00
DR (Domain Rating by Ahrefs)Not checked yet no change since last check14 −1 (down) since last check
Trust Flow (Majestic)13
Citation Flow (Majestic)1729
Referring domains (Majestic)210

5 details filled in for both companies.

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