Zig

General-purpose programming language and toolchain for building robust, optimal, and reusable software. Prioritizes explicit control flow and memory management with no hidden allocations or macros, so developers focus on debugging applications rather than language quirks.

Backed by the Zig Software Foundation, a non-profit sustaining core development, with corporate sponsors including TigerBeetle. Differentiates from C by competing with it instead of depending on it: the standard library works without libc, enables cross-compilation out of the box, and produces minimal static binaries. Unlike Rust, Zig targets incremental C and C++ modernization with zero-dependency drop-in compiler support, and offers granular safety tuning per scope rather than an all-or-nothing model.

Key capabilities:

• Comptime metaprogramming with compile-time code execution and type manipulation
• Four build modes: Debug, ReleaseSafe, ReleaseFast, ReleaseSmall, mixable at scope level
• Zero-dependency C/C++ compiler with cross-compilation for any target
• Optional types instead of null pointers, explicit error handling that cannot be ignored
• Manual memory management with allocator parameters and defer/errdefer for resource cleanup

Suited for systems programming where predictability matters: databases like TigerBeetle, operating system kernels, embedded devices, low-latency servers, and WebAssembly targets. Teams incrementally adopt Zig in existing C or C++ codebases by adding compilation units or using zig build for consistent cross-platform builds, without rewriting entire projects.