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Top 16 Shell Performance Projects
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yet-another-bench-script
YABS - a simple bash script to estimate Linux server performance using fio, iperf3, & Geekbench
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linux-cachyos
Archlinux Kernel based on different schedulers and some other performance improvements.
Project mention: CachyOS Kernels Based on Different Schedulers and Performance Improvements | news.ycombinator.com | 2025-07-26 -
Until reading this thread I never knew so many in the industry were against performant software and workflows, but I suppose that explains the state of things.
Oh My Zsh is more sluggish than benching zsh -ic 'exit 0' would suggest. This benchmark will show command lag among other things, which is very noticeable on a slower computer. https://github.com/romkatv/zsh-bench
I use https://github.com/romkatv/zsh4humans. I installed it once, took an hour or two to tweak it to my liking, and haven't touched it since. It's in maintenance mode so I'm not worried about my zshrc breaking randomly. I have transient git prompt, autosuggestions, autocomplete, syntax highlighting, vim mode, a whole bunch of added functions and line editor additions, and my terminal opens in one frame. It feels more like an extension of my mind than a tool I'm interacting with. OMZ by comparison, feels like typing over a slow ssh connection.
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timep
`timep` is an efficient and accurate state-of-the-art trap-based profiler and flamegraph generator for bash code. `timep` does much more than "providing per-command execution times" -- it maps the full call-stack tree for the bash code being profiled, and (optionally) uses that call-stack tree to generate a FlameGraph of the profiled bash commands!
Project mention: Show HN: Timep – a next-gen profiler and flamegraph-generator for bash code | news.ycombinator.com | 2025-08-24 -
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project--shell-script-performance-and-portability
Shell programing, shell script performance tests. How can you make faster and more portable shell scripts? Keywords: shell, sh, POSIX, bash, ksh93, programming, optimization, performance, profiling, portability.
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Project mention: MacOptimize: A free bash CLI to keep your Mac fast during heavy dev workloads | dev.to | 2026-02-22
GitHub MIT licensed. PRs and feedback welcome.
NOTE:
The open source projects on this list are ordered by number of github stars.
The number of mentions indicates repo mentiontions in the last 12 Months or
since we started tracking (Dec 2020).
Shell Performance discussion
Shell Performance related posts
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Nginx Admin's Handbook
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2023-06-25 gRPC benchmark results
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Why does C#/.NET is in demand in Philippines especially in BGC? How about PHP?
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2023-06-25 gRPC benchmark results
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2023-06-25 gRPC benchmark results
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Dynamic Aliases and Functions in Zsh
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Benchmark for interactive zsh – plugins, frameworks and plugin managers
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A note from our sponsor - SaaSHub
www.saashub.com | 7 Jun 2026
Index
What are some of the best open-source Performance projects in Shell? This list will help you:
| # | Project | Stars |
|---|---|---|
| 1 | nginx-admins-handbook | 14,148 |
| 2 | yet-another-bench-script | 6,467 |
| 3 | linux-cachyos | 3,787 |
| 4 | zsh-bench | 972 |
| 5 | CachyOS-Settings | 382 |
| 6 | heroku-buildpack-jemalloc | 269 |
| 7 | timep | 191 |
| 8 | logs-benchmark | 82 |
| 9 | Algiz-Linux | 68 |
| 10 | action | 53 |
| 11 | DellG5SE-Linux | 11 |
| 12 | project--shell-script-performance-and-portability | 7 |
| 13 | vagrant-ubuntu-docker | 6 |
| 14 | dev-benchmark | 4 |
| 15 | Purepur | 4 |
| 16 | macoptimize | 2 |
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