Apache NuttX
7.3#4 in operating systemsFree planFree planAPILinuxmacOSSelf-hosted
VisitApache NuttX vs OPNsense
What both publish
| Fact | Apache NuttX | OPNsense |
|---|---|---|
| Documentation depth | Documentation is generated with Sphinx from reStructuredText and includes installation, board, driver, API and contribution guidance. | Official documentation covers feature guides, API reference, architecture, security, releases, hardware, installation, virtualization, and troubleshooting. |
| Extensibility | Architecture APIs, board configurations, driver skeletons, host tools and configuration variables are documented for adding platforms and features. | Its Model View Controller architecture automatically gives API capabilities to components using the full architecture, and plugins extend the base system. |
| License | NuttX is distributed under the Apache License 2.0. | OPNsense is available under the Open Source Initiative approved 2-clause BSD license. |
Apache NuttX plans
- Apache NuttXFree
OPNsense plans
- Business Edition—
- Business Edition 3Yr—
- Community EditionFree
- OPNsense Business Edition 1yr subscription€149 a year
- OPNsense Business Edition (3Yr)€399, paid once
- OPNsense Business Edition 3Yr€399 a year
Pick Apache NuttX if…
Apache NuttX suits developers building software for embedded boards and devices, including projects spanning different processor architectures. Its documented simulator targets may also fit development workflows that do not rely solely on physical hardware.
Pick OPNsense if…
OPNsense suits people and organizations seeking a self-hosted firewall and routing platform with VPN, traffic monitoring, and intrusion-prevention capabilities. Its Business Edition is intended for companies, enterprises, and professionals seeking commercial features and a selective upgrade path.