• Brat Brutal Runner for Automated Tests, a TAP-compliant parallel test runner
• Brut Brutal Router for Unix Tools, a single-file command router
• brut-pack Distribute your source-based Unix program as a single plain-text script
• Dyad Run two commands side-by-side, with optional piping and exit status control
• Envoy Load environment files using a safe, assignment-only shell subset
• Myriad Run jobs from standard input using a fixed pool of workers