Compare software

Zig vs Arm GNU Toolchain: catalog facts
Zig	Arm GNU Toolchain
Free Free and open source, supported by the non-profit Zig Software Foundation.	Free Free to download and use.
Windows, macOS, Linux, Command line	Windows, macOS, Linux, Command line
Drop-in C/C++ compiler with cross-compilation out of the box Compile-time code execution for metaprogramming	Validated, integrated builds of GCC, Binutils, GDB and Newlib Covers Cortex-A, Cortex-R, Cortex-M and Neoverse targets
Still pre-1.0, so breaking changes between releases are expected Smaller ecosystem than established systems languages	Command-line toolchain with no IDE of its own Only two releases a year
Downloadable app	Downloadable app
Open source	Open source
License: MIT	License: GPL-3.0 and others
No account needed	Not stated if an account is needed
Works offline	Works offline
Official website Full listing and sources Checked September 23, 2026	Official website Full listing and sources Checked October 1, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.