Open-source alternatives to Learn Python3

Rockstar is an esoteric programming language whose syntax is inspired by 1980s hard rock and heavy metal lyrics, making programs read like song lyrics. It uses poetic number literals, where the length of each word in a phrase is parsed as a decimal digit to initialize numeric variables, and pronoun-based variable references, where words like "it" and "they" resolve to the most recently assigned or compared variable at runtime. The language can be compiled to WebAssembly and run inside a web page for in-browser code execution. The language distinguishes itself through a lyric-driven parsing sy

Oils is a Unix shell interpreter and scripting language runtime that combines a modern shell language with POSIX and Bash compatibility. It functions as a structured data shell, integrating JSON and J8 formats to manage complex data without relying on string parsing. The system is distinguished by a C++ transpiled interpreter that converts a subset of Python source code into strongly typed C++ for high-performance execution. It features a garbage-collected typed runtime that supports prototype-based polymorphism, lexical closures, and reference-based variable mutation. To decouple shell logic

Reason is a strongly typed functional language and multi-target compiler designed to produce either JavaScript for web environments or native machine code for operating systems. It serves as an OCaml-compatible language that shares an abstract syntax tree with OCaml, providing a practical syntax for the OCaml ecosystem. The project functions as a type-safe frontend language, incorporating JSX support to build user interfaces through structural elements that translate into type-safe function calls. It enables deep integration with the JavaScript ecosystem, allowing the use of existing librarie

This project is a comprehensive educational resource consisting of a Bash programming tutorial, scripting reference, and Linux command line manual. It provides instructional materials for writing scripts, automating system tasks, and mastering terminal navigation and Unix system administration. The guides cover a wide range of shell environment customization, including prompt styling and the use of aliases. It also provides a shell environment guide for managing configuration files and initializing user environments. The materials detail a broad set of capabilities including control flow log

pysheeet is a technical reference library providing a curated collection of code snippets and implementation patterns for advanced Python development, system integration, and high-performance computing. It serves as a comprehensive guide for implementing low-level network programming, native C extensions, and asynchronous and concurrent programming. The project provides specialized frameworks for the development and deployment of large language models, including tools for distributed GPU inference and high-performance serving. It also includes detailed patterns for high-performance computing

Home Assistant is a local home automation platform and server that acts as an IoT device orchestrator. It integrates diverse smart home hardware by wrapping third-party APIs into a standardized logic layer and stores all system state and historical statistics on local hardware to eliminate cloud dependencies. The system functions as a Matter IoT controller and an MQTT home automation bridge, allowing for local interoperability between different manufacturers. It features a state-based entity model and an internal event bus that decouple physical device logic from system automation. The platf

Hands-on-RL is an interactive educational resource and collection of Jupyter notebooks designed for learning reinforcement learning. It combines technical theory with practical, runnable code to demonstrate the implementation and training of mainstream reinforcement learning agents. The project focuses on bridging the gap between theory and practice through a tutorial structure that organizes explanations and executable code blocks sequentially. It enables the prototyping of reinforcement learning models to observe their behavior and performance in real-time. The implementation utilizes a mo

This project is a collection of curricular resources and hands-on tutorials designed to teach Python programming and scientific computing. It consists of a series of interactive lessons and executable notebooks that provide a guided approach to learning Python through a combination of code and prose. The curriculum is specifically designed for experienced programmers to quickly master Python syntax, data structures, and core language semantics. It includes an introductory guide to the libraries and programming environments used for scientific computing and complex dataset analysis. The educa

Eloquent-JavaScript is a comprehensive JavaScript programming textbook and interactive coding tutorial designed for web development education. It serves as both a language reference and a practical guide, combining theoretical lessons with an environment where learners can execute and modify code examples. The project focuses on the fundamental principles of the JavaScript language, including lexical scoping, prototype-based inheritance, and asynchronous patterns. It provides detailed instruction on object-oriented programming, functional programming, and the use of the browser DOM to create

This repository is a collection of practical code samples and an idiomatic programming guide for the Python language. It serves as a reference for implementing advanced language features, data structures, and professional coding standards. The project focuses on demonstrating object-oriented architectures and structural design patterns. It provides a set of source files that illustrate the use of advanced Python capabilities to create readable and efficient software designs. The implementation covers asynchronous and concurrent execution patterns, as well as idiomatic software design and pro

This project is a comprehensive educational resource and programming course covering C++ language semantics and features from C++03 through C++26. It provides structured tutorials and technical guides focused on modern C++ development. The material offers specialized instruction on template metaprogramming, including the use of type traits and compile-time computations. It features detailed guides on concurrency and parallelism for multi-core execution, as well as a reference for software design applying SOLID principles and RAII. Additionally, it covers build performance optimization to redu

NYU-DLSP20 is a self-paced deep learning course repository that provides a complete educational curriculum covering supervised and unsupervised deep learning fundamentals. The course materials include lecture slides, Jupyter notebooks, and YouTube video recordings, all organized around PyTorch-based code exercises and neural network architecture tutorials. The course is structured as a sequential progression from fundamentals to advanced architectures, with each lecture building on previous material. Assignments are distributed as Jupyter notebooks that students complete and submit, ensuring

Elvish is a shell that combines interactive command-line use with a structured scripting language, designed to make both everyday terminal work and automation tasks more predictable and readable. It parses, compiles, and executes code in three phases, catching syntax and variable errors before any code runs, and it aborts execution on command failure by default to prevent silent errors. The shell introduces value-oriented pipelines that pass structured data like lists, maps, and closures between commands, preserving types without serialization. It also mixes traditional byte streams with thes

This project is an educational resource and reference for the Go programming language, providing a collection of practical coding examples and design patterns. It focuses on implementing common programming tasks using the Go standard library to demonstrate how to develop functionality without relying on external dependencies. The resource uses an example-driven structure that pairs practical problems with minimal runnable code. It includes comparative implementation analyses to highlight trade-offs in performance and readability, as well as syntax comparisons to help developers understand Go'

This project is a collection of programming language references and syntax cheat sheets designed for rapid developer onboarding. It serves as a library of code-based documentation that uses valid source code files to provide whirlwind tours of various language specifications. The project focuses on programming language learning by providing concise, commented code examples that explain core features and syntax in place. This approach enables developers to quickly grasp language-specific patterns, data types, and execution flow through a consistent reference format. The content covers a broad

This project is a comprehensive educational resource and tutorial series for learning Bash scripting and shell programming. It serves as a technical guide and reference manual for writing automation scripts and creating reusable tools within a Linux environment. The material focuses on DevOps and SysOps automation, covering the development of custom command-line tools, system administration automation, and the implementation of security automation such as random password generation and DDoS protection. The scope encompasses core language fundamentals including variables, loops, and condition

This project is a structured JavaScript programming course and learning path designed for beginners. It functions as an interactive coding tutorial and frontend web development guide, providing a curriculum centered on the JavaScript language. The project focuses on building dynamic web interfaces through the manipulation of the Document Object Model. It provides a series of instructional guides and practical challenges that allow for interactive coding practice and the verification of code execution within a dedicated environment. The curriculum covers core programming fundamentals, includi

ES6-for-humans is an educational resource and technical manual providing a structured tutorial and programming guide for the ECMAScript 2015 language standards. It serves as a reference for transitioning from legacy JavaScript to modern syntax and coding patterns. The project covers modern language constructs including block-scoped variables, arrow functions, and class hierarchies. It provides guidance on implementing functional programming patterns via generators and lexically scoped functions, as well as object-oriented design using prototype-based inheritance. The documentation covers asy

This project is a Go language learning guide and implementation map designed to help developers transition from Node.js to Go. It provides a series of side-by-side code comparisons that contrast identical logic implemented in both languages to illustrate syntax and runtime differences. The repository serves as a tutorial for Go concurrency, specifically comparing the use of channels and goroutines against JavaScript promises. It also includes a performance benchmarking suite to measure and compare the execution speed of Go against Node.js for the same operations. The guide covers systems pro

This project is an interactive programming education resource and tutorial designed for learning the Rust programming language and systems programming concepts. It provides a collection of runnable and editable code examples that serve as a practical reference for language syntax and implementation. The resource features an interactive code sandbox that allows users to execute and test code snippets in real time. It emphasizes the verification of technical accuracy by executing embedded code blocks during the build process to ensure all examples remain functional. The content covers a compre

This project is a localized educational resource for learning the Rust programming language, providing a comprehensive guide and technical specifications translated into Simplified Chinese. It serves as an instructional tool for studying language idioms, memory management, and type systems. The repository focuses on software documentation localization, converting official guides into Simplified Chinese to increase accessibility for non-English speakers. It utilizes a markdown-based system to organize content and supports multi-format export to static HTML, PDF, and EPUB formats for both web a

Janet is a Lisp-based dynamic programming language featuring a register-based bytecode virtual machine and an embeddable scripting engine. It functions as a fiber-based concurrency runtime and includes a parsing engine based on Parsing Expression Grammars. The project is distinguished by its ability to be integrated into C or C++ applications via a minimal header interface. It utilizes a Lisp-style macro system for compile-time code transformation and employs prototype-based table inheritance for object-oriented behavior. The runtime covers a broad set of capabilities, including asynchronous

This project is a Chinese translation of a comprehensive guide to the Go programming language. It serves as a localized educational resource and technical manual designed to provide guidance on language syntax, design, and software development. The resource covers a broad range of Go language education, including the implementation of programming patterns and system design. It includes translated lessons and examples that focus on core language features such as concurrency and the use of interfaces. The content spans various capability areas, including language fundamentals, data modeling, r

Wren is an embeddable, class-based scripting language and bytecode interpreter. It provides a dependency-free virtual machine designed for integrating dynamic script execution into host applications via a C API. The language is centered on a modern object-oriented model featuring inheritance, method overloading, and first-class functions. It utilizes a concurrent fiber runtime to manage lightweight, cooperatively scheduled execution paths without relying on operating system threads. The project includes a comprehensive suite of object-oriented primitives, closure-based state capture, and a m

Vyper is a security-focused, typed programming language and compiler designed for creating smart contracts that execute on the Ethereum Virtual Machine. It utilizes a Pythonic syntax to define contract logic and state, serving as a target for formal verification to allow for machine-checked proofs of correctness. The language distinguishes itself through strict architectural constraints that prioritize predictability and security. It enforces acyclic call graphs by prohibiting recursion and mandates bounded loops to ensure static gas prediction. Additionally, it features a native fixed-point

The Rust Programming Language Book is the official technical guide and educational resource for the Rust language. It provides a comprehensive walkthrough of the language's design, focusing on its core identity as a systems programming language that enforces memory safety and high-performance execution without the need for a garbage collector. The project is distinguished by its focus on ownership, borrowing, and lifetime tracking, which allow the compiler to verify memory safety and thread safety at compile time. It covers the language's unique approach to zero-cost abstractions, including t

Apache JMeter is a Java-based performance testing tool and multi-protocol traffic simulator used to analyze the stability and scalability of servers and networks. It functions as a distributed load testing framework that coordinates remote worker nodes from a single controller to generate high volumes of concurrent traffic. The project is distinguished by its ability to simulate traffic across diverse backend systems, including HTTP, JDBC, LDAP, JMS, FTP, and TCP. It provides a headless command-line interface for automated execution and a reporting system that transforms raw sample logs into