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Fly.io vs KarnakPanel

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

Fly.io compared with KarnakPanel
Detail Fly.ioKarnakPanel logo KarnakPanel
What it doesComputers for agents Free self-hosted hosting panel with websites, mail, DNS, and databases in one dashboard
StageEstablished MVP
FoundedNot given Not given
Based inNot given Not given
Pricing modelFreemium Open source
PricingFree tier available. Machines billed by the second based on CPU and RAM preset; Sprites metered by CPU-hour and GB-hour for active use; Managed Postgres plans from $38/month. Support tiers from free community to $199/month Premium or Enterprise from $2,500/month. HIPAA compliance available at $99/mo Free forever for self-install. Optional done-for-you install: $49 one-time per VPS.
Key features
  • Machines
  • Sprites
  • Private Networking
  • Zero Downtime Deploys
  • Sprites Connectors
  • Granular Routing
  • Monitoring
  • Sprite Block Device
  • Karnak Builder drag-and-drop website builder with 40 templates in 9 categories
  • Unlimited domains and subdomains with per-domain PHP 8.3-8.5 pools
  • Complete email stack with Exim, Dovecot, SpamAssassin and Roundcube webmail
  • Free Let's Encrypt SSL per domain with auto-renewal
  • Mail deliverability scoring and DKIM/SPF/DMARC configuration
  • Reseller accounts and packages with enforced limits
  • Full API with token authentication
  • Automated backups and database management
  • Fail2ban security with SSH, web, mail and FTP jails
What makes it different
  • Agents get their own Linux computer that checkpoints state automatically
  • Machines boot in under a second and run close to users globally
  • Same primitives scale from side project to production without rewriting infrastructure
  • Completely free forever with no license server or recurring fees
  • OpenLiteSpeed with caching and per-domain PHP pools for enterprise-grade performance
  • Built-in drag-and-drop website builder with no additional cost or setup
Free planNot given Not given
Open sourceNot given Not given
PlatformsNot given Not given
Public APINot given Not given
Community votes00
DR (Domain Rating by Ahrefs)84 +1 (up) since last check26 −1 (down) since last check
Trust Flow (Majestic)390
Citation Flow (Majestic)5712
Referring domains (Majestic)108442

6 details filled in for both companies.

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