A Collection of application ideas which can be used to improve your coding skills.
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🎮 Open-source, cross-platform 2D/3D/multiplayer game engine designed for everyone.
Orchestrate Claude, Codex and Grok in one app. Open-source (MIT), reuses the subscriptions you already pay for.
⚡ Automatically decrypt encryptions without knowing the key or cipher, decode encodings, and crack hashes ⚡
A Collection of application ideas that can be used to improve your coding skills ❤.
CTF framework and exploit development library
Programming style, best practices, and coding conventions.
Checkstyle is a development tool to help programmers write Java code that adheres to a coding standard. By default it supports the Google Java Style Guide and Sun Code Conventions, but is highly configurable. It can be invoked with an ANT task and a command line program.
CircuitPython - a Python implementation for teaching coding with microcontrollers
A blazingly fast multi-language serialization framework for idiomatic domain objects, schema IDL, and cross-language data exchange.
A collection of JavaScript modern interview code challenges for beginners to experts
Because sometimes you need to do it live
Automated NoSQL database enumeration and web application exploitation tool.
Interactive Go Interview Platform - 30+ coding challenges with instant feedback, AI interview simulation, competitive leaderboards, and automated testing. From beginner to advanced levels with real-world scenarios.
A MS-DOS Creative Coding IDE/platform based on JavaScript
A RuboCop extension focused on enforcing Rails best practices and coding conventions.
Algorithms resolution in Javascript. Leetcode - Geeksforgeeks - Careercup
People You Should Follow on CodePen
🉑 Portable UTF-8 library - performance optimized (unicode) string functions for PHP.
Easy CBOR encoding and decoding for iOS, macOS, tvOS and watchOS.
A repo-native coding-agent loop harness for Claude, Codex, Copilot, and other CLI agents. Agents can edit. Gates decide what lands. You set the plan in motion. The agents take a prompt, and each iteration must update specs and commit through guardrails.
Allow you to make custom base conversion in Elixir.
Base62 encoder/decoder in pure Elixir
Get event details of competitive programming contests, hackathons etc.