1.JetBrains / kotlin
The Kotlin Programming Language.
- kotlin
- programming-language
- compiler
- gradle-plugin
- maven-plugin
- kotlin-library
- +3 more
Ranked by Attention Score: stars gained over the last 90 complete days
72 repositories by Attention Score · Aug 6, 2026 – Nov 3, 2026 (UTC)
The Kotlin Programming Language.
A copy of the Lua development repository, as seen by the Lua team. Mirrored irregularly. All communication should be through the Lua mailing list https://www.lua.org/lua-l.html
The official repo for the design of the C# programming language
A declarative, extensible framework for building Elixir applications.
Kaitai Struct: declarative language to generate binary data parsers in C++ / C# / Go / Java / JavaScript / Lua / Nim / Perl / PHP / Python / Ruby / Rust
Tracking ECMAScript Proposals
A small, fast, JavaScript-based JavaScript parser
Eclipse Collections is a collections framework for Java with optimized data structures and a rich, functional and fluent API.
Tools for developers to create truly open IoT products using standard JavaScript on low cost microcontrollers.
A language where the code is written with folders
clasp Common Lisp environment
A lightweight, dependency-free library for binding Lua to C++
tiny HTTP parser written in C (used in HTTP::Parser::XS et al.)
Digital Forensics Investigation Platform
CoreCLR is the runtime for .NET Core. It includes the garbage collector, JIT compiler, primitive data types and low-level classes.
Official repository - Fully managed, cross platform (Windows, Mac, Linux) .NET library for capturing packets
Ahead of time compiler for JVM bytecode targetting iOS, Mac OSX and Linux
A port of Clojure to the CLR, part of the Clojure project
Computational parallel flows on top of GenStage
RFCs and docs related to the F# language design process, see https://github.com/fsharp/fslang-suggestions to submit ideas
JPF is an extensible software analysis framework for Java bytecode. jpf-core is the basis for all JPF projects; you always need to install it. It contains the basic VM and model checking infrastructure, and can be used to check for concurrency defects like deadlocks, and unhandled exceptions like NullPointerExceptions and AssertionErrors.
The new generation Pascal programming language for .NET
A curated list of .NET Compiler Platform ("Roslyn") diagnostic analyzers and code fixes. Everyone can contribute here!
Vigil, the eternal morally vigilant programming language
A compatibility layer for event-driven abstractions
ClojureScript's persistent data structures and supporting API from the comfort of vanilla JavaScript
GS Collections has been migrated to the Eclipse Foundation, re-branded as Eclipse Collections. https://www.eclipse.org/collections/
🦄 The Enterprise™ programming language
Awesome Lisp Companies
Id Software's Id-tech-4-BFG in the Ada programming language.
Fortran command Line Arguments Parser for poor people
SPARK by Example is an adaptation of ACSL by Example for SPARK 2014, a programming language which is a formally verified subset of Ada
:rainbow: discover the beautiful programming language that makes front-end web apps a joy to build and maintain!
Open-source DAW with a node graph system.
🦎 Move an async function into its own thread.
uniVocity-parsers is a suite of extremely fast and reliable parsers for Java. It provides a consistent interface for handling different file formats, and a solid framework for the development of new parsers.
A curated list of NLP resources for Hungarian
Learn Lisp efficiently and become a happy programmer.
Graph Theory [maintainers=@chdoc,@damien-pous]
Micromega tactics for Mathematical Components
Learn Apple's Swift programming language interactively through these playgrounds.
A Parsing Expression Grammar (PEG) module, using the D programming language.
CIEL Is an Extended Lisp. Scripting with batteries included.
High-performance HTML5 parser for Ruby based on Lexbor, with support for both CSS selectors and XPath.
Collection of applications based on a single C# .NET Standard project running in: Blazor Client (WebAssembly), Blazor Server, Electron, WPF, WinForms, Maui, WinUI3
A simple WebRTC chat made with Yew
Universal Azure DevOps Organizer - Uno Reference Implementation project
Load Common Lisp code blocks from Org files
A Bitcoin Script Interpreter and Debugger in Scala
A function type to dispatch on types instead of classes with partial support for dispatching on optional and keyword argument types.
Finite sets, finite maps, multisets and generic sets
NASA/JPL SPICE Toolkit for C – patched for cross-platform compatibility
TOML parser with codec derivation for the Scala platform
Example of using Blazor WebAssembly with old sites