zsh-async ☆

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Description:
Perform tasks asynchronously without external tools

Type: Formula | Tracked Since: Dec 28, 2025

Links: Homepage | formulae.brew.sh

Category: Developer tools

Tags: zsh async shell library productivity

Install: brew install zsh-async

About:
Zsh-async is a library for Zsh that enables asynchronous task execution, allowing prompts and other scripts to remain responsive. It provides a robust framework for running background jobs and handling their output without blocking the shell. This is essential for creating high-performance, dynamic prompts with complex information.

Key Features:

Non-blocking job execution
Thread-safe job management
Callback-based results handling
Zero dependency pure Zsh implementation

Use Cases:

Building fast, dynamic Zsh prompts (e.g., Git status, kubectl context)
Asynchronously fetching data without freezing the terminal
Background processing of heavy I/O tasks

Alternatives:

zsh-async (native) – This is the primary library; alternatives are often specific prompt frameworks like Starship or Powerlevel10k which handle async internally.

Version History

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