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BrokenRepo — Code debugging practice on real repo bugs
Practice code debugging in full MERN repos — the repo-based pattern behind Amazon’s new OA and SDE-1 interviews. Find the bug, fix it, prove it with live tests.
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82 % |
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Debugging practice with real judgment · DoesItHold
Practice the skill tutorials skip: finding, explaining and fixing realistic code defects.
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81 % |
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BugHunt — Get good at finding real bugs
Free debugging practice for CS students. Fix real bugs in Python and JavaScript right in your browser, and learn the patterns behind them.
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81 % |
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Jericho — Proof, not guesses
Jericho finds the exact bug, proves the fix against your real code, and scans for vulnerabilities that actually reach you.
|
80 % |
|
Axeinos | Adversarial Skills at Industrial Speed
Software security testing re-engineered. AxE finds real, reproducible vulnerabilities in C/C++ software, validates fixes and stops regressions.
|
80 % |
|
Nathan Benincase — Software Engineer
Nathan Benincase — software engineer building browser products, real-time simulations, data pipelines, Python applications, and web interfaces, with experien...
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79 % |
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C# Coding Challenges & Hands-on .NET Labs · Katabench
Practice production-graded C# coding challenges, build architectures in the System Design Studio, and preview a hands-on .NET lab, all in isolated sandboxes.
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79 % |
|
AI OA & Coding Interview Prep: Debug Real Code with an AI Coach
Practice the new style of technical assessments. Debug real broken code, work with an AI coach that will not hand you the answer, and get scored on how you a...
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79 % |
|
Practice the full job of a senior engineer
Senior-level engineering practice for employed developers: code quality, algorithms, performance, observability, debugging, incidents, communication, and own...
|
78 % |
|
Repros · Manual QA Testing Tool & Bug Reporting for Chrome
A manual QA testing tool for Chrome. Test sessions capture console errors, failed requests and screenshots automatically, so bug reports arrive with evidence.
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78 % |
|
TraverseTest — AI Testing That Finds Bugs Before Your Users Do
TraverseTest maps your features, tests how they interact, catches the bugs that live between services, and ships verified fixes as PRs. Free during early acc...
|
78 % |
|
Delta Byte
Backend and system design interview practice with adaptive questions, answer-specific explanations, spaced review, and simulated production debugging cases.
|
78 % |
|
Bugspector – code debugging & monitoring – error debugging and monitoring
|
78 % |
|
BugReels — Automated bug detection with replay evidence
BugReels records sessions in your web app. Every day an AI agent hunts through them and files bug reports with the replays that prove each bug.
|
78 % |
|
SpecHawk: Deploy-Aware Agentic QA
SpecHawk is an agentic QA platform for PM and QA teams. Validate Jira tickets in TEST with AI, evidence, and deploy-aware gating before PROD.
|
78 % |
|
UX Patterns Guide
Learn, practice, and apply UX judgment across interfaces and services, with guided work tools and a source-backed pattern library.
|
78 % |
|
Debugly
AI-powered bug reporting and issue management
|
78 % |
|
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.
|
78 % |
|
RepoRehearsal
Break it safely. Debug it seriously. Practice production incident response in an isolated repository sandbox.
|
78 % |
|
Synthesize | Practice Working with AI
Practice prompt engineering on real coding problems. Write instructions, inspect AI work, and climb a leaderboard scored on correctness, efficiency, and cost.
|
78 % |
Detected social media networks