Show HN: Warren – run isolated instances of any CLI tool (no containers,no root)

Category: cli-tool

Tags: cli-tool, isolation, rust

Score: 7.0/10 (Innovation: 6, Technical: 7, Documentation: 8, Utility: 7)

Warren is a rootless, zero-daemon CLI runtime that enables running multiple isolated instances of any CLI tool on Linux without containers or root privileges. It achieves isolation through intelligent path rewriting and environment injection, making it useful for managing parallel configurations or testing different versions of CLI tools.

Target audience: backend devs, devops

Repository: https://github.com/swadhinbiswas/warren · Rust · 2 stars

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