Recently Released
zweigos 
Zweig OS is an experimental general-purpose operating system built on the seL4 microkernel, with Zig as the primary language for new user-space services.
lesto Personal experiment: Gemma 4 text inference tuned for Apple silicon Macs. Unofficial; not affiliated with Google or Apple.
rag-attest 
⚡ Ultra-fast, zero-cloud Edge RAG evaluation & claim attestation engine powered by Zig (45k+ evals/sec) and custom RAG-L Domain-Specific Language.
tensorfold-win-arm64 TensorFold on Windows ARM64 (RTX Spark N1X): engine fork receipts, serve launchers and a native Win32 Zig control GUI
libghostty-terminal 
A terminal window in one C file, built on libghostty-vt + SDL2. Demo from Elbcasts #011.
zant-ui Native desktop UI framework for macOS and Windows in Zig + Skia: declarative antd-style components, Markdown/LaTeX, PDF viewer, desktop integration, hot reload and release builds
zed-proxy Self-hosted gateway that exposes Zed-hosted models over Anthropic, OpenAI and Gemini compatible APIs
Recently Updated
browser Lightpanda: the headless browser designed for AI and automation
poweros_esp32 A desktop operating system in Zig for ESP32-S3/P4, 64-bit RISC-V and AArch64: a multitasking kernel with libraries and devices, a DOS with file systems and a shell, TCP/IP, USB and windows. AmigaOS's ideas, built anew. Runs on real boards and in QEMU.
zwasm A fast, spec-compliant WebAssembly runtime written in Zig
zig-regex A modern, performant regular expression library for Zig.
t27 Spec-first ternary language: .t27 → synthesizable Verilog, bit-exact — the compiler behind Trinity's silicon
glowcap Object-capability networking in Zig: OCapN and CapTP, with a C ABI and bindings for other languages.
zigmachine A FantasyConsole compiled as WebAssembly and written in Zig
Most Used
bun 
Incredibly fast JavaScript runtime, bundler, test runner, and package manager – all in one
browser Lightpanda: the headless browser designed for AI and automation
nullclaw Fastest, smallest, and fully autonomous AI assistant infrastructure written in Zig
ly A lightweight TUI (ncurses-like) display manager for Linux and BSD (mirror of https://codeberg.org/fairyglade/ly).
zls A language server for Zig supporting developers with features like autocomplete and goto definition
mach zig game engine & graphics toolkit - mirror of https://code.hexops.com/hexops/mach
zml Any model. Any hardware. Zero compromise. Built with @ziglang / @openxla / MLIR / @bazelbuild
cubyz Voxel sandbox game with a large render distance, procedurally generated content and some cool graphical effects.
libxev libxev is a cross-platform, high-performance event loop that provides abstractions for non-blocking IO, timers, events, and more and works on Linux (io_uring or epoll), macOS (kqueue), and Wasm + WASI. Available as both a Zig and C API.