Life & fun · alternatives · 2026
24 alternatives to Twelve Days of Shell
Twelve Days of Shell is a daily coding challenge that runs during the holiday season, offering shell scripting problems for developers to solve. Participants engage with command-line exercises themed around the "Twelve… Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. Prices are shown for the 1 we have checked on their own sites, 1 of them free or with a free tier. Twelve Days of Shell launched in 2020; newer entries below may have overtaken it.
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100 Days of Code▲306Make coding a habit. Join the growing community.
2018 · 100daysofcode.com · its alternatives →
- 3CL
2017 · cmdchallenge.com · its alternatives →
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Create daily with 24 no-code challenges
2024 · adventofnocode.io · its alternatives →
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Keep yourself accountable while learning TailwindCSS
2021 · its alternatives →
- 6TN
2017 · termipal.sh · its alternatives →
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📅 Coding advent calendar with daily challenges and prizes
2020 · scrimba.com · its alternatives →
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CTFreak▲67Schedule all your powershell / bash / sql / ansible scripts
2022 · ctfreak.com · its alternatives →
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Common rust command-line macros and utilities, to write shell-script like tasks in a clean, natural and rusty way - rust-shell-script/rust_cmd_lib
2020 · github.com · its alternatives →
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Learn visual scripting to level up your no-code skills
2023 · luna-park.app · its alternatives →
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A smarter shell and scripting environment with advanced features designed for usability, safety and productivity (eg smarter DevOps tooling) - lmorg/murex
2023 · github.com · its alternatives →
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100 Day Project - 100 mini crossword puzzles
2016 · eliotfowler.github.io · its alternatives →
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- 151M
2012 · missstep.com · its alternatives →
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Christmas themed 'Wordle of generative AI'
2022 · 12daysofai.com · its alternatives →
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Elevate your coding skills through daily design recreations
2024 · its alternatives →
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Some basic javascript coding challenges and interview questions - kolodny/exercises
2015 · github.com · its alternatives →
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A short introduction to the Unix command line
2015 · learnenough.com · its alternatives →
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Series of small programming puzzles for the holidays.
2015 · adventofcode.com · its alternatives →
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24 days of SQL challenges. Test your SQL skills with festive puzzles!
Dec 2025 · dbpro.app · its alternatives →
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I originally was just messing with pi-autoresearch. Gave it a sample task to build the most portable coding agent. First cut was 6 KB of shell. Great for one-shots, unusable interactively. I was shocked it actually worked. Started building up -- adding features — but with a self-imposed rule: no new dependencies, and sub 500 LOC. This thing had to be truly portable. Just sh, curl, awk. System primitives only. Which means I did some genuinely disgusting things in awk, including JSON parsing and the OpenAI Responses tool loop with reasoning items carried across turns. It's now ~400 lines. In…
Apr 2026 · pu.dev · its alternatives →
- 24ST
Dec 2025 · its alternatives →
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Ranked by how close each launch is in meaning, then by votes. Prices were read from each product’s own site when checked and can change. Refine with your own description →