Ross ROSS = Recommend OSS · open-source software intelligence for agents

domain: programming-languages

1849 products, primary matches first, then adoption-weighted; health v2 shown.

ProductHealth v2StarsMaturity
ganelson/inform
Inform 7 is a programming language for writing interactive fiction using natural-language syntax, and this repository holds the core compil…
631639active
quint-co/quint
Quint is an executable specification language based on the Temporal Logic of Actions (TLA+), designed for modeling and verifying the behavi…
911638active
Rahix/avr-hal
A Rust Hardware Abstraction Layer (HAL) implementing embedded-hal traits for AVR microcontrollers and common boards like Arduino. It provid…
601638active
Tensegritics/ClojureDart
ClojureDart is a Clojure dialect that compiles to Dart, enabling native mobile and desktop apps built with Flutter. It is production-ready …
991636active
oracle/graalpython
GraalPy is a high-performance Python 3.12 implementation for the JVM built on GraalVM. It supports embedding Python in Java applications an…
951636active
lunarmodules/busted
busted is an elegant, easy-to-use unit testing framework for Lua (5.1+, LuaJIT, Moonscript, Terra) with a natural, readable spec style. It …
761629active
pointfreeco/swift-tagged
A Swift library providing a Tagged wrapper type that distinguishes otherwise interchangeable raw values (like Int or String) at compile tim…
461629stable
AvdLee/Swift-Concurrency-Agent-Skill
A packaged Agent Skill in the open Agent Skills/Agent Plugin format that injects expert Swift Concurrency knowledge into AI coding assistan…
811628active
almond-sh/almond
Almond is a Scala kernel for Jupyter, formerly known as jupyter-scala. It wraps the Ammonite Scala REPL with Jupyter integration, offering …
841625active
numtide/flake-utils
A collection of pure Nix utility functions for writing Nix flakes, with no dependency on nixpkgs. It provides helpers like eachSystem and e…
231624stable
JetBrains/kotlin-web-site
The source repository for the official Kotlin programming language website, kotlinlang.org, built with TypeScript. It contains the site's p…
771622active
moonsharp-devs/moonsharp
MoonSharp is a complete Lua 5.2 interpreter written entirely in C# for .NET, Mono, Xamarin, and Unity, with no external dependencies. It in…
781614active
elixir-lang/ex_doc
ExDoc is a documentation generation tool for Elixir and Erlang projects that produces HTML, Markdown (including llms.txt), and EPUB output …
941613active
jmoenig/Snap
Snap! is a visual, blocks-based programming language and IDE inspired by Scratch, written in JavaScript and runnable in the browser. It sup…
911610active
ndmitchell/hlint
HLint is a command-line linter for Haskell source code that suggests improvements such as alternative functions, code simplifications, and …
651608active
clash-lang/clash-compiler
Clash is a functional hardware description language based on Haskell, with a compiler that transforms high-level descriptions into synthesi…
881606active
kevinmehall/rust-peg
rust-peg is a Parsing Expression Grammar (PEG) parser generator for Rust, provided as a proc macro that builds a recursive descent parser f…
741606stable
gigobyte/purify
Purify is a functional programming library for TypeScript providing algebraic data types like Maybe, Either, and Result, plus runtime type …
631603active
electrikmilk/cherri
Cherri is a domain-specific programming language and compiler, written in Go, that compiles source files into signed Apple Siri Shortcuts. …
921594active
NixOS/nixfmt
Nixfmt is the official formatter for the Nix language, implementing the standard Nix format. It is a command-line tool written in Haskell, …
931593stable
yglukhov/nimpy
nimpy is a Nim library that provides seamless bidirectional integration between Nim and Python. It lets you implement Python extension modu…
721590stable
dotnetcore/Natasha
Natasha is a Roslyn-based C# dynamic assembly building library that lets developers compile and load C# code at runtime, creating domains, …
671586active
jeffijoe/typesync
TypeSync is a CLI tool that scans your package. and installs missing TypeScript type definition (@types) packages for your dependencies. It…
611584active
bodil/im-rs
im-rs is a Rust library providing fast immutable (persistent) collection datatypes such as vectors, hash maps, and hash sets with structura…
101583stable
mattn/anko
Anko is a scriptable interpreter written in Go that provides its own JavaScript-like scripting language. It can be embedded in Go applicati…
731580active
dtolnay/quote
A Rust crate providing the quote! macro for turning Rust syntax tree data structures into token streams of source code. It is primarily use…
931577stable
pk-fr/yakpro-po
YAK Pro - Php Obfuscator is a free, open-source CLI tool that obfuscates pure PHP source code using the PHP-Parser library. It removes comm…
651574active
austral/austral
Austral is a new systems programming language featuring linear types for provably safe resource and memory management, and linear capabilit…
381572active
folke/lazydev.nvim
A Neovim plugin that configures the LuaLS language server for editing Neovim Lua configs by lazily loading workspace libraries only for mod…
511565active
ikvmnet/ikvm
IKVM is an implementation of Java for the .NET platform, providing a JVM implemented in .NET along with a bytecode-to-IL converter. It lets…
991562active
php-standard-library/php-standard-library
PSL is a standard library for PHP inspired by Hack's HSL, providing consistent, well-typed APIs for collections, async, I/O, cryptography, …
941561active
feenkcom/gtoolkit
Glamorous Toolkit is the Moldable Development environment built on Pharo/Smalltalk, providing an integrated IDE with thousands of contextua…
951558active
bitburner-official/bitburner-src
Bitburner is a programming-based incremental game with hacking and cyberpunk themes, where players write JavaScript/TypeScript scripts to a…
901555active
Moddable-OpenSource/moddable
The Moddable SDK is a development toolkit and runtime for building IoT applications in standard JavaScript on low-cost microcontrollers lik…
971551active
JuliaLang/PackageCompiler.jl
A Julia package for creating custom system images, standalone 'app' executables, and relocatable C libraries from Julia code. It moves Juli…
911551active
hylo-lang/hylo
Hylo (formerly Val) is a systems programming language built around mutable value semantics and generic programming, implemented in Swift wi…
831551active
ThakeeNathees/pocketlang
Pocketlang is a lightweight, fast, embeddable scripting language written in C with a Ruby-flavored Python-like syntax, including its own by…
591551active
denoland/vscode_deno
The official Visual Studio Code extension for Deno, powered by the Deno language server. It provides type checking, intellisense, linting, …
921547active
pureconfig/pureconfig
PureConfig is a Scala library that loads configuration files (HOCON, Java .properties, or JSON via Typesafe Config) into native Scala class…
771540stable
colin-kiegel/rust-derive-builder
A Rust crate providing a derive macro that automatically generates builder-pattern code for structs. It creates fluent setter methods and a…
501539active
EsotericSoftware/reflectasm
ReflectASM is a small Java library providing high-performance reflection through bytecode code generation. It generates accessor classes fo…
341539stable
airbnb/ts-migrate
ts-migrate is a CLI tool from Airbnb that converts JavaScript or partial TypeScript projects into compiling TypeScript projects using a plu…
615617maintenance
kikito/inspect.lua
A single-file Lua library that transforms any Lua value into a human-readable string representation, with special support for rendering tab…
591538stable
dtolnay/typetag
A Rust crate providing macros to make Serde trait objects serializable and deserializable. It lets you serialize &dyn Trait and round-trip …
871537stable
phpstan/phpdoc-parser
A PHP library that parses PHPDoc comments into an abstract syntax tree, supporting modern type syntax like generics, intersection types, ar…
961533stable
JuliaSymbolics/Symbolics.jl
Symbolics.jl is a fast, modern Computer Algebra System (CAS) written in Julia for high-performance symbolic mathematics. It supports symbol…
941524active
VKCOM/kphp
KPHP is a PHP compiler developed at VK.com that compiles a limited subset of PHP to C++ and then to a native binary running faster than pla…
771523active
dtolnay/watt
Watt is a Rust runtime for executing procedural macros that have been compiled ahead-of-time to WebAssembly. It lets downstream users run m…
651523active
ngs-lang/ngs
Next Generation Shell (NGS) is a modern programming language and shell designed specifically for DevOps tasks, combining a bash-like syntax…
661521active
jart/sectorlisp
SectorLISP is a 512-byte LISP implementation that fits in a boot sector and boots John McCarthy's meta-circular evaluator on bare metal fro…
711520stable
fubark/cyber
Cyber is a fast, memory-safe scripting language with a VM and JIT, supporting dynamic and optional static typing plus concurrency via fiber…
491518active
JuliaPy/PyCall.jl
PyCall.jl is a Julia package that lets Julia code import Python modules, call Python functions, and share data structures with Python witho…
661512stable
rxi/fe
A tiny embeddable Lisp-like scripting language implemented in under 800 lines of portable ANSI C. It offers a simple C API, lexical scoping…
321512stable
hirrolot/datatype99
A single-header C99 library providing safe algebraic data types (sum types/tagged unions) with exhaustive pattern matching and compile-time…
281508stable
goproxy/goproxy
A minimalist Go library implementing the GOPROXY protocol as an HTTP handler, letting developers build their own Go module proxy servers. I…
901507active
clojure/core.logic
A logic programming library for Clojure and ClojureScript implementing miniKanren with Prolog-like relational and constraint logic programm…
591504stable
sindresorhus/pify
A small JavaScript library that converts callback-style functions or entire modules into Promise-based APIs. It offers options like multiAr…
651503stable
evant/kotlin-inject
kotlin-inject is a compile-time dependency injection library for Kotlin that generates component implementations via KSP annotations. It pr…
591503active
kokke/tiny-regex-c
A small, portable regular expression library written in C, supporting a subset of Python's re-module syntax. It is designed for minimal res…
321500stable
rigetti/pyquil
PyQuil is a Python library for building quantum programs in the Quil instruction language developed by Rigetti Computing. It generates, com…
941497active
tjanczuk/edge
Edge.js is an interop library that lets Node.js and .NET (CLR, .NET Core, Mono) code call each other in-process, on Windows, macOS, and Lin…
235436maintenance
mfussenegger/nvim-jdtls
A Neovim plugin providing extensions for the built-in LSP client to work with the Eclipse JDT Language Server for Java. It adds Java-specif…
601495active
zzet/gortex
Gortex is a high-performance code-intelligence engine that indexes codebases into a persistent knowledge graph using tree-sitter AST analys…
771494active
SteveDunn/Vogen
Vogen is a C# source generator and analyzer that converts primitives into strongly-typed value objects representing domain concepts. It emi…
971492active
tree-sitter/py-tree-sitter
Python bindings to the Tree-sitter incremental parsing library, exposing Parser, Tree, Node, and Query APIs for building concrete syntax tr…
921491active
scalameta/scalafmt
Scalafmt is a code formatter for Scala that enforces consistent style across a codebase. It is configurable via a .scalafmt.conf HOCON file…
971488stable
ninia/jep
Jep is a library that embeds CPython in the Java Virtual Machine through JNI, allowing Java applications to run Python code and use Python …
901488active
soutaro/steep
Steep is a static type checker for Ruby based on gradual typing, using RBS signature files and inline annotations. It is distributed as a R…
791488active
ivov/lisette
Lisette is a small programming language inspired by Rust that compiles to readable Go, featuring Hindley-Milner type inference, algebraic d…
771488active
live-codes/livecodes
LiveCodes is a feature-rich, open-source, client-side code playground supporting 90+ languages and frameworks including React, Vue, Svelte,…
941487active
robpike/ivy
Ivy is an interpreter for an APL-like array language that works as an interactive calculator. It is written in Go and supports bignum arith…
751485active
cabinpkg/cabin
Cabin is an opinionated package manager and build system for C and C++ projects, inspired by Rust's Cargo. It uses a declarative cabin.toml…
971484active
corrosion-rs/corrosion
Corrosion is a tool for integrating Rust into existing CMake projects, automatically importing Rust executables, static libraries, and dyna…
761484active
carbon-language/carbon-lang
Carbon is an experimental successor language to C++ with bidirectional C++ interoperability, built on LLVM for C++-level performance. The r…
8633871experimental
bazel-contrib/rules_go
Official Bazel rules for building, testing, and linking Go code, including cgo support, protobuf compilation, and Go SDK toolchain manageme…
991482active
pharo-project/pharo
Pharo is a pure, reflective, dynamically typed object-oriented programming language in the Smalltalk tradition, shipped with an immersive l…
741482active
slevomat/coding-standard
A collection of PHP_CodeSniffer sniffs for PHP covering functional safety, dead code detection, and code formatting rules. Many sniffs supp…
971480active
mpusz/mp-units
mp-units is a modern C++20/23/26 library providing compile-time-safe quantities and units of measurement, built on the ISO 80000 Internatio…
751465active
nix-community/nixd
nixd is a feature-rich language server for the Nix language, built in C++ on top of the Nix libraries. It provides editor intelligence such…
901463active
digego/extempore
Extempore is a live-coding environment for music and audio that pairs a Scheme interpreter with xtlang, a statically-typed lisp compiled to…
951462active
ajalt/fuckitpy
FuckIt.py is a Python library that silences errors by rewriting code via AST manipulation so scripts keep running despite exceptions. It ca…
325289maintenance
ring-lang/ring
Ring is a simple, lightweight, embeddable, multi-paradigm dynamic programming language implemented in C, supporting imperative, procedural,…
901460active
lloydmeta/frunk
Frunk is a Rust library providing functional programming and type-level programming tools such as HLists, Coproducts, Generic/LabelledGener…
831459stable
dominikh/go-mode.el
go-mode is an Emacs major mode for editing Go source code, a complete rewrite of the mode originally shipped with Go. It provides syntax hi…
701455stable
PyCQA/pyflakes
Pyflakes is a fast, passive checker for Python source files that detects errors like undefined names and unused imports by parsing the AST …
441455active
evant/gradle-retrolambda
A Gradle plugin that integrates Retrolambda to backport Java 8 lambda expressions to Java 6/7 bytecode, including Android projects. It comp…
235253maintenance
CopernicaMarketingSoftware/PHP-CPP
PHP-CPP is a C++ library for building native PHP extensions without needing deep knowledge of the Zend engine internals. It uses C++11 feat…
891452stable
standard-things/esm
A zero-dependency ECMAScript module loader for Node.js that enables ESM syntax (import/export, import.meta, dynamic import) in Node 6+ with…
105241maintenance
ipetkov/crane
Crane is a Nix library for building Cargo (Rust) projects with incremental artifact caching so dependencies are built only once. It provide…
981450active
MagicStack/MagicPython
MagicPython is a syntax highlighting package for Python 3 (with Python 2 support) built for Sublime Text, Atom, and Visual Studio Code. It …
231443stable
nvzqz/divan
Divan is a fast and simple benchmarking library for Rust projects, used via a #[divan::bench] attribute and cargo bench. It offers allocati…
701442active
atoum/atoum
atoum is a modern, standalone unit testing framework for PHP, distributed as a single PHAR archive. It offers fluent, natural-language-styl…
101442active
gambit/gambit
Gambit is a complete, portable, and efficient implementation of the Scheme programming language, including an interpreter (gsi) and an opti…
771440stable
dave/dst
A Go library providing a Decorated Syntax Tree (dst) that allows manipulation of Go source code with perfect fidelity, preserving comments,…
671438stable
aitjcize/cppman
A command-line tool that provides C++ 98/11/14/17/20 manual pages on Linux and macOS, sourced from cplusplus.com and cppreference.com. It m…
841436active
joaotavora/sly
SLY is a Common Lisp IDE for Emacs, a fork of SLIME with improved UX. It provides a full-featured REPL, live code annotations (stickers), f…
661431active
sylefeb/Silice
Silice is an open-source hardware description language designed to make writing FPGA hardware algorithms with pipelines and parallelism eas…
771430active
rust-lang/rust-playground
The Rust Playground is a web service that lets users write, compile, and run Rust code in the browser without installing anything. It suppo…
771426active
yinwang0/pysonar2
PySonar2 is a Java library that performs interprocedural type inference and semantic indexing of Python codebases. The resulting index powe…
641425active
donno2048/snake
A 54-byte snake game written in x86 assembly for DOS, created as a code-golfing exercise in extreme binary size optimization. It includes a…
721424active

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