Zephyr
A real-time operating system for microcontrollers, under the Linux Foundation. It fits in a few kilobytes of memory and supports hundreds of boards; it has become the serious free alternative to the proprietary systems in that market. The 3.7 branch is the long-term support one.
6
Releases
Latest Release
4.4
Release Date
2026-04-14
license
Apache-2.0
LTS Versions
0
Supported
1