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rolzret
A free place to practise the skill that got more valuable when generating code got cheap: reading output and knowing whether it is true. Challenges, courses,...
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82 % |
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You Think You Know
Short, exact challenges on the parts of a language that behave differently from every other one you have used. For developers who already ship code.
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80 % |
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Quack — Systems Programming Language
Memory safety and performance, without GC or lifetime annotations.
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79 % |
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Vau's blog
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78 % |
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curt — a coding language built for AI to write
AI writes code all day, and every word costs money. curt is a language designed so it writes far less — the same programs in a fraction of the words. A resea...
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78 % |
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Scholar Stack — Anything but your average study app
Scholar Stack is anything but your average study app: a memory engine that writes mnemonics (as pictures, or as songs) for the concepts you keep missing, qui...
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78 % |
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upskillai — become a professional AI engineer, no maths
Everything it takes to become a professional AI engineer, in 6–8 weeks at about an hour a day — without the complex maths. Diagrams, examples and practice th...
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78 % |
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Onus — A programming language for code that a model writes and a person has to trust.
A programming language for code that a model writes and a person has to trust.
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78 % |
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fameflowzo | Understanding Programming
fameflowzo is an independent, informational resource dedicated to explaining programming concepts, problem-solving, and software fundamentals in plain English.
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78 % |
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The Enso Method: AI software development, done deliberately
Open-source agent skills for Claude Code and Codex: requirements settled up front, assumptions that never stall the build, every acceptance criterion proven.
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78 % |
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CodeTutor — the AI mentor that won't give you the answer
CodeTutor builds a working model of how you learn, generates your path one step at a time, and refuses to hand over code you could paste. Five hint levels, n...
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77 % |
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Trust what your AI writes - a deterministic check · doloop
AI writes your code and pulls your data - but can you trust it? doloop flags what it can prove, deterministically, the same verdict every run. Bring your own...
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77 % |
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LearnTree | Math for STEM, Graded by Computer Algebra
Interactive math for STEM. Your answers are checked by computer algebra, never by a language model. First course: Linear Algebra for AI/ML.
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77 % |
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Telltail — Outcome geometry for AI evaluations.
Telltail turns normalized outcome rows into witness-backed maps of shared failure, recoverability, disagreement, and regression.
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77 % |
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Quorum — code review that learns your standards
Quorum learns how your team actually reviews — from your own PR history — applies it to every pull request, and proves its judgment in shadow mode before it...
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77 % |
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Improve Code
Thoughts, stories and ideas.
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77 % |
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Reasons — AI memory that shows its work
Give your AI a long-term memory where every fact comes with a reason, and when something changes, everything that depended on it updates automatically.
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77 % |
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CodexBash: practise data structures and algorithms
Practise data structures and algorithms in C, C++, Java and Python. Every submission is judged against real test cases, with the time and memory it took.
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77 % |
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Ramses Learning — the AI that teaches you anything
Ramses Learning is the AI that teaches you anything — any software, subject, language or exam. Type one sentence and it builds a complete course, watches you...
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77 % |
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knowngrounds — do AI agents reach your content and get it right?
Measures whether AI agents find your page, read it, and get the answer right — across models, graded against your own words.
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77 % |
Detected social media networks