# Buz: A Fork of Bun with Fast Incremental Builds Using Modern Zig

Buz is a fork of the Bun JavaScript runtime, rewritten using modern Zig language, achieving sub-second incremental builds. This improvement could significantly speed up development workflows for developers using Bun-like tooling.

**Importance:** 2/5

## Sources

### Technology
- [Hacker News](https://ziggit.dev/t/buz-a-drop-in-replacement-for-bun-using-modern-zig-with-sub-1s-incremental-builds/16891) — Fri, 24 Jul 2026 09:26:40 +0000