Programming Languages
53 complete courses and 0 in progress, plus curated resource hubs for 53 major programming languages — books, docs, courses, videos, practice, reference, news, and community.
Ada
Ada is a high-integrity, statically-typed programming language designed for safety-critical and real-time systems. It is used extensively in aerospace, defense, railway, and medical systems where reliability is paramount.
Assembly
Assembly language provides direct control over CPU instructions, memory, and registers. Essential for understanding computer architecture, reverse engineering, embedded systems, and performance-critical code optimization.
AutoHotkey
AutoHotkey is a free, open-source scripting language for Windows desktop automation. It enables creating hotkeys, macros, form fillers, and custom UI tools to automate repetitive tasks.
Bash
GNU replacement for the Bourne shell
C
C is the foundational systems programming language that powers operating systems, embedded devices, databases, and virtually every major software infrastructure. These are the definitive free resources — vetted, current, and complete.
Clojure
Clojure is a modern, functional Lisp dialect on the JVM. It emphasizes immutability, persistent data structures, and concurrency, with powerful macro capabilities for metaprogramming.
COBOL
COBOL (Common Business-Oriented Language) powers the worlds business infrastructure — banking systems, insurance claims, government systems, and enterprise transaction processing. Billions of lines of COBOL still run in production today.
Common Lisp
Common Lisp is a multi-paradigm programming language known for its powerful macro system, dynamic typing, and interactive development cycle. It excels at AI, symbolic computing, and meta-programming.
C++
C++ is a systems programming language that gives you complete control over memory and hardware. It powers game engines, browsers (Chrome), operating systems, embedded devices, and high-frequency trading. These are the definitive free resources — vetted, current, and complete.
Crystal
Crystal is a statically typed, compiled language with Ruby-like syntax but blazing performance via LLVM. It excels at web applications, backend services, and systems programming with type inference and nil safety.
C#
C# is Microsofts flagship language for the .NET ecosystem. It powers Windows applications, game development (Unity), cloud services on Azure, and cross-platform apps. These are the definitive free resources — vetted, current, and complete.
D
D is a systems programming language combining C-level performance with modern convenience. It offers garbage collection, manual memory management, compile-time function execution, and a powerful template system.
Dart
Dart is the language behind Flutter, Googles cross-platform UI framework. It is optimized for building fast mobile, web, and desktop apps with a single codebase. These are the definitive free resources — vetted, current, and complete.
Elixir
Elixir is a functional, concurrent language built on the Erlang VM (BEAM). It excels at building fault-tolerant, distributed systems with the Phoenix web framework and LiveView for real-time apps. These are the definitive free resources — vetted, current, and complete.
Elm
Elm is a delightful functional language for building reliable web applications. It offers zero runtime exceptions, an advanced type system, and a practical approach to frontend development with its signature architecture.
Erlang
Erlang is a functional, concurrent language designed for building massively scalable, fault-tolerant systems with soft real-time properties. It powers telecommunications, messaging platforms (WhatsApp), and distributed databases.
Fortran
Fortran is the original high-performance computing language, still dominant in scientific computing, weather simulation, computational physics, and numerical weather prediction. Modern Fortran (2008/2018) brings coarrays and OOP.
F#
F# is a functional-first, cross-platform .NET language. It excels at data science, financial modeling, and concurrent systems with type providers, computation expressions, and seamless .NET interop.
GDScript
GDScript is the primary scripting language for the Godot Engine. It has a Python-like syntax but is optimized for game development with built-in types like vectors, colors, and nodes.
Gleam
Gleam is a friendly, statically-typed functional language that compiles to Erlang (BEAM). It offers a modern Rust-inspired type system, actor-based concurrency, and seamless interop with the BEAM ecosystem.
Go
Go is a statically typed, compiled language designed at Google for building simple, reliable, and efficient software at scale. It excels at backend services, microservices, APIs, and concurrent systems.
Groovy
Apache Groovy is a powerful, optionally typed, dynamic language for the JVM. It integrates seamlessly with Java and powers Gradle builds, Jenkins pipelines, and modern DSLs with concise syntax and metaprogramming capabilities.
Haskell
Haskell is a purely functional programming language with strong static typing and lazy evaluation. It provides an unparalleled foundation for writing correct, composable, and concurrent software. These are the definitive free resources — vetted, current, and complete.
Haxe
Haxe is a cross-platform language and toolkit that compiles to JavaScript, C++, Python, Lua, PHP, Java, and more. It is ideal for building applications that need to run on multiple platforms from a single codebase.
Java
Java is the bedrock of enterprise software. It powers Android apps, backend systems, big data pipelines (Apache Hadoop, Spark), and financial infrastructure worldwide. These are the definitive free resources — vetted, current, and complete.
JavaScript
The language of the web. JavaScript powers browsers, servers (Node.js), desktop apps (Electron), and increasingly the edge. These are the definitive free resources — vetted, current, and complete.
Julia
Julia is a high-performance, dynamically typed language designed for scientific computing, numerical analysis, and machine learning. It combines the speed of C with the ease of Python.
Kotlin
Kotlin is the modern JVM language that is now the primary language for Android development. It is concise, expressive, and fully interoperable with Java. These are the definitive free resources — vetted, current, and complete.
LabVIEW
LabVIEW (Laboratory Virtual Instrument Engineering Workbench) is a graphical programming platform from NI used extensively in test, measurement, and control applications across engineering and science.
Lua
Lua is a lightweight, embeddable scripting language prized for its speed, simplicity, and tiny footprint. It powers game engines (Roblox, Love2D), embedded systems, and configuration in Neovim and Redis. These are the definitive free resources — vetted, current, and complete.
MATLAB
MATLAB is the premier platform for numerical computing, data analysis, and algorithm development. It is widely used in engineering, science, and research for matrix operations, signal processing, and control systems.
Nim
Nim is an efficient, statically typed systems programming language with Python-like syntax. It compiles to C via its compiler, offering C-level performance with high-level expressiveness and metaprogramming.
OCaml
OCaml is a functional, imperative, and object-oriented language from the ML family. It excels at type-safe systems programming, formal verification, and high-assurance software with a powerful module system and type inference.
Perl
Perl is a highly capable, feature-rich programming language known for its text processing power, CPAN module ecosystem, and versatility in system administration, web development, and bioinformatics.
PHP
PHP powers over 75% of all websites, including WordPress, Laravel applications, and massive platforms like Facebook. It is the most accessible backend language with an unmatched ecosystem. These are the definitive free resources — vetted, current, and complete.
Prolog
Prolog is a logic programming language associated with artificial intelligence, computational linguistics, and symbolic reasoning. It uses declarative programming where you describe problem constraints and let the engine find solutions.
PureScript
PureScript is a strongly-typed, purely functional programming language that compiles to JavaScript. It features algebraic data types, type classes, and a sophisticated type system inspired by Haskell, making it ideal for building reliable web applications.
Python
The most versatile language in the ecosystem. Python powers data science, machine learning, backend systems, automation, and scripting. These are the definitive free resources — vetted, current, and complete.
R
R is the definitive language for statistical computing, data analysis, and visualization. It powers academic research, data science, and machine learning workflows worldwide. These are the definitive free resources — vetted, current, and complete.
Racket
Racket is a modern functional and general-purpose programming language in the Lisp/Scheme family. It excels at language-oriented programming, creating domain-specific languages, and teaching computer science fundamentals.
Ruby
Ruby is a language of simplicity and productivity, famous for the Rails web framework. It prioritizes developer happiness and elegant code with a philosophy of convention over configuration. These are the definitive free resources — vetted, current, and complete.
Rust
Rust is a systems programming language focused on safety, speed, and concurrency without a garbage collector. It powers everything from embedded devices to cloud infrastructure.
Scala
Scala combines object-oriented and functional programming on the JVM. It powers high-performance data pipelines (Apache Spark), distributed systems (Akka), and type-safe web applications. These are the definitive free resources — vetted, current, and complete.
Scheme
Scheme is a minimalist, elegant dialect of Lisp renowned for its simplicity and use in computer science education. It features lexical scoping, first-class procedures, and a unified syntax that makes it ideal for teaching programming fundamentals.
Scratch
Scratch is the worlds largest coding community for children and the best way to start programming. It teaches computational thinking through a visual block-based interface used by millions worldwide.
Shell
Shell scripting (Bash) is the universal glue of software engineering. It automates deployments, manages infrastructure, processes data pipelines, and controls the entire development toolchain. These are the definitive free resources — vetted, current, and complete.
Solidity
Solidity is the primary programming language for writing smart contracts on Ethereum and EVM-compatible blockchains. It enables decentralized applications, DeFi protocols, and NFTs — the backbone of Web3.
Swift
Swift is the modern language for Apple platforms — iOS, macOS, watchOS, and tvOS. It is fast, safe, and expressive, powering everything from the iPhone apps you love to server-side systems. These are the definitive free resources — vetted, current, and complete.
TypeScript
TypeScript is JavaScript with static types. It catches errors at compile time, enables fearless refactoring, and powers the largest codebases in the world. These are the definitive free resources — vetted, current, and complete.
V
V is a simple, fast, safe, compiled language for developing maintainable software. It offers C interop, a built-in GUI library, cross-platform compilation, and a focus on simplicity with a small language specification.
WebAssembly
WebAssembly (Wasm) is a low-level binary instruction format that runs at near-native speed in browsers and beyond. It enables compiling C/C++, Rust, Go, and other languages to run on the web and in edge runtimes.
Wolfram Language
Wolfram Language is a multi-paradigm computational language developed by Wolfram Research. It powers Mathematica and excels at symbolic mathematics, data science, machine learning, and knowledge-based computing.
Zig
Zig is a modern systems programming language focused on robustness, optimality, and maintainability. It offers manual memory management, compile-time computation, seamless C interop, and a first-class cross-compilation toolchain.