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
left-pad/left-pad
A tiny JavaScript utility for left-padding strings to a given length, famous from the 2016 npm ecosystem incident. It is deprecated since n…
101305abandoned
faylang/fay
Fay is a statically typed, lazy, purely functional proper subset of Haskell that compiles to JavaScript. It offers a trivial JavaScript FFI…
321286abandoned
line/tsr
TypeScript Remove (tsr) is an npm-installed CLI utility that statically analyzes TypeScript projects to find unused files, exports, and dec…
101285abandoned
google/schism
Schism is an experimental self-hosting compiler that compiles a subset of R6RS Scheme to WebAssembly, allowing Scheme programs to run in br…
101275abandoned
jneen/parsimmon
Parsimmon is a small monadic LL(infinity) parser combinator library for JavaScript, inspired by parsec and Promises/A+. It lets you build l…
231273abandoned
rubyide/vscode-ruby
A monorepo of Visual Studio Code extensions providing Ruby language support, including syntax highlighting, snippets, linting, formatting, …
101255abandoned
DynamicCocoa/DynamicCocoa
DynamicCocoa is a framework by Didi's AppArch team for running Cocoa (Objective-C) code dynamically on iOS/macOS, enabling hot-patching of …
321254abandoned
go-llvm/llgo
llgo is a Go compiler frontend built on LLVM, written in Go, aiming for gccgo-compatible command-line behavior. The project has moved to ll…
101250abandoned
xamarin/XobotOS
XobotOS is a Xamarin research project that semi-automatically ported Android 4.0 from Java/Dalvik to C#, exploring performance and memory b…
101241abandoned
ReadyTalk/avian
Avian is a lightweight Java virtual machine and class library written in C++ that provides a useful subset of Java's features, including JI…
321238abandoned
twitter/rsc
Rsc (Reasonable Scala compiler) is an experimental reimplementation of the Scala compiler focused on compilation speed, developed by Twitte…
321233abandoned
albrow/fo
Fo (Functional Go) is an experimental programming language that extends Go with generics, including generic named types, functions, and met…
101224abandoned
dotnet/codeformatter
CodeFormatter is a command-line tool that uses Roslyn to automatically rewrite C# source code to follow the .NET team's coding style rules.…
101223abandoned
clutchski/coffeelint
CoffeeLint is a style checker and linter for CoffeeScript code that helps keep code clean and consistent. The project is no longer maintain…
101210abandoned
rakyll/coop
A Go package containing implementations of common concurrent program flows such as timed execution, repetition, timeouts, and throttled par…
101193abandoned
eholk/harlan
Harlan is a small domain-specific language implemented in Scheme for programming GPUs, compiled to OpenCL. It serves primarily as a researc…
321192abandoned
LIKO-12/LIKO-12
LIKO-12 is an open-source fantasy computer/console for making, playing, and sharing tiny retro-looking games and programs, built with LÖVE …
101179abandoned
mbebenita/LLJS
LLJS is a typed dialect of JavaScript with a C-like type system and manual memory management, compiled to plain JavaScript via the ljc comp…
321177abandoned
wende/elchemy
Elchemy is a transpiler that lets you write Elixir code using Elm's statically-typed syntax, compiling to idiomatic, readable Elixir that r…
101150abandoned
facebookarchive/phpsh
phpsh is an interactive read-eval-print-loop (REPL) shell for PHP, developed at Facebook and written mostly in Python. It offers readline h…
101144abandoned
segmentio/golines
golines is a Go code formatter that shortens long lines in addition to standard gofmt fixes. The original segmentio repository was archived…
101127abandoned
TypeStrong/atom-typescript
A TypeScript language plugin for the Atom editor providing autocomplete, live error analysis, type info on hover, and compile-on-save via t…
231125abandoned
mkottman/AndroLua
An Android app that ports the Lua interpreter and LuaJava to Android, letting you execute Lua code that can access the Android API. It also…
321112abandoned
Anahkiasen/underscore-php
Underscore.php is a PHP utility library inspired by Underscore.js that provides around a hundred methods for manipulating arrays, strings, …
101107abandoned
DefinitelyTyped/tsd
TSD is a command-line package manager for searching and installing TypeScript definition files from the DefinitelyTyped repository. It is d…
101105abandoned
mockdeep/typewiz
TypeWiz is a TypeScript tool that monitors variable types at runtime and automatically inserts missing type annotations into your source co…
101104abandoned
golang/gddo
gddo is the source code for godoc.org, the original Go package documentation and search website. It was archived in 2021 and godoc.org now …
101099abandoned
bodil/eslint-config-cleanjs
An ESLint shareable config that restricts JavaScript to a pure functional subset by banning this, classes, null, mutation, reassignment, an…
101095abandoned
archseer/enigma
Enigma is an implementation of the Erlang VM (BEAM) written in Rust, aiming to run OTP 22+ and Elixir code unchanged. It is a learning-orie…
321090abandoned
voodooattack/nexusjs
Nexus.js is a multi-threaded JavaScript runtime built on JavaScriptCore (WebKit) with an asynchronous, non-blocking I/O model and a thread-…
101087abandoned
jterrace/js.js
js.js is a JavaScript interpreter written in JavaScript, created by compiling SpiderMonkey to LLVM and translating it with Emscripten. It e…
321082abandoned
4clojure/4clojure
4Clojure is an interactive website for learning Clojure through problem-solving exercises, built with Clojure, Leiningen, and MongoDB. The …
101068abandoned
GaloisInc/HaLVM
The Haskell Lightweight Virtual Machine (HaLVM) is a port of the Glasgow Haskell Compiler toolchain that lets developers write Haskell prog…
101067abandoned
mpeltonen/sbt-idea
An sbt plugin that generates IntelliJ IDEA project files (.ipr/.iml) from sbt project definitions. It handles multi-project dependencies, s…
321064abandoned
basho/rebar
Rebar is a self-contained Erlang build tool that compiles and tests Erlang applications, port drivers, and releases, with dependency manage…
101052abandoned
iamturns/eslint-config-airbnb-typescript
An ESLint shareable config that extends Airbnb's popular ESLint style guide with TypeScript support via typescript-eslint. The repository h…
101041abandoned
polarphp/polarphp
polarphp is an alternative compiler and runtime for the PHP programming language, rewrapping the Zend VM and adding a new runtime library (…
321037abandoned
kitlang/kit
Kit is a statically typed programming language that compiles to C, offering modern features like type inference, algebraic data types, patt…
321028abandoned
ruanyf/es-checker
A feature detection library that checks how much of ECMAScript 6 (ES2015) a JavaScript runtime supports, usable from the command line, Node…
321019abandoned
nathansobo/treetop
Treetop is a Ruby DSL for building parsers based on parsing expression grammars (PEGs). This original repository is unmaintained and develo…
321010abandoned
topazproject/topaz
Topaz is an implementation of the Ruby programming language written in Python using the RPython toolchain from PyPy. It compiles to a nativ…
321007abandoned
hackndev/zinc
Zinc is an experimental bare-metal stack for Rust targeting ARM microcontrollers, aiming to provide an RTOS-like foundation written entirel…
101003abandoned
Deno
Deno is a modern runtime for JavaScript, TypeScript, and WebAssembly built on V8, Rust, and Tokio, with secure defaults and first-class Typ…
94108312stable
Prettier
Prettier is an opinionated code formatter that parses code and re-prints it with consistent style rules, supporting JavaScript, TypeScript,…
9752211stable
swc-project/swc
SWC (Speedy Web Compiler) is a super-fast TypeScript/JavaScript compiler written in Rust, usable as both a Rust library and a JavaScript pa…
9534190stable
modular/modular
Modular Platform hosting the MAX AI serving framework and the Mojo systems programming language. It provides an OpenAI-compatible inference…
9229225active
Taichi
Taichi Lang is an open-source domain-specific language embedded in Python for high-performance parallel numerical computation, using a JIT …
6428345active
jart/cosmopolitan
Cosmopolitan Libc is a C/C++ library and toolchain that makes C a build-once run-anywhere language by producing polyglot executables that r…
7621258active
triton-lang/triton
Triton is an open-source language and compiler for writing highly efficient custom deep-learning GPU kernels with Python-level productivity…
9220017active
RaspberryPiFoundation/blockly
Blockly is a JavaScript library that adds a customizable, drag-and-drop visual programming editor to web apps, representing code concepts a…
9813533stable
gopherjs/gopherjs
GopherJS is a compiler that transpiles Go source code into pure JavaScript, allowing Go programs to run in browsers and Node.js. It support…
9113181active
jaredpalmer/tsdx
TSDX is a zero-config CLI for developing, testing, and publishing TypeScript packages, with templates for basic and React libraries. Versio…
6111465active
a-h/templ
templ is a typed HTML templating language for Go that compiles components into performant Go code for server-side or static rendering. It s…
9210514active
InsertKoinIO/koin
Koin is a pragmatic, lightweight dependency injection framework for Kotlin and Kotlin Multiplatform, offering a concise DSL and annotations…
8610013stable
TypeStrong/typedoc
TypeDoc is a documentation generator for TypeScript projects that converts source code comments into HTML documentation sites or a JSON mod…
948447active
WebAssembly/wabt
WABT (The WebAssembly Binary Toolkit) is a suite of C/C++ command-line tools for working with WebAssembly binaries, including wat2wasm, was…
858105stable
penrose/penrose
Penrose is a platform and TypeScript library for creating mathematical and technical diagrams declaratively by writing plain-text notation …
707969active
enso-org/enso
Enso Analytics is a self-service data preparation and analysis platform for data teams, built on a hybrid visual/textual functional program…
917439active
vuejs/language-tools
Vue Language Tools is the official language tooling monorepo for Vue.js, providing a VS Code extension, a language server, and the vue-tsc …
996714active
halide/Halide
Halide is an embedded DSL (in C++ and Python) for writing high-performance, data-parallel image and array processing pipelines. It separate…
706590stable
fkling/astexplorer
A web-based tool for exploring the abstract syntax trees (ASTs) generated by dozens of parsers for JavaScript, CSS, HTML, GraphQL, YAML, an…
236542active
wasm-micro-runtime/wasm-micro-runtime
WebAssembly Micro Runtime (WAMR) is a lightweight standalone WebAssembly runtime with a small footprint, supporting interpreter, AOT, and J…
926075active
MontFerret/ferret
Ferret is a declarative, expression-oriented query language (FQL) with an embeddable Go runtime for querying, transforming, and automating …
836008active
alangpierce/sucrase
Sucrase is a super-fast JavaScript transpiler, forked from Babel's parser, that compiles non-standard syntax like JSX, TypeScript, and Flow…
565870active
aidlearning/AidLearning-FrameWork
AidLux (originally AidLearning) is an AIoT development platform that runs a native Ubuntu Linux environment with GUI, deep learning tooling…
705797active
liyupi/mianshiya
Mianshiya (面试鸭) is an open-source interview question bank website for programmers, covering Java, frontend, AI/LLM, C++, Go, Python, system…
625794active
shader-slang/slang
Slang is a shading language and compiler for building large, modular, high-performance GPU shader codebases. It compiles to D3D12, Vulkan, …
955580active
zarazhangrui/codebase-to-course
A Claude Code skill that converts any codebase into a self-contained, interactive single-page HTML course for non-technical 'vibe coders'. …
485464active
remeda/remeda
Remeda is a utility library for JavaScript and TypeScript offering everyday helper functions for arrays, objects, and more. It is written e…
955419active
microsoft/poml
POML is a markup language from Microsoft for structuring, templating, and styling prompts for large language models, with an HTML-like synt…
524956active
vitali87/code-graph-rag
Code-Graph-RAG is a Python CLI tool and MCP server that parses multi-language codebases with Tree-sitter, builds a knowledge graph of code …
854828active
kaitai-io/kaitai_struct
Kaitai Struct is a declarative language for describing binary data structures (file formats, network packet layouts) in .ksy files. A compi…
764664active
asmjit/asmjit
AsmJit is a lightweight C++ library for low-latency machine code generation supporting X86, X86_64, and AArch64 architectures. It provides …
664588active
luvit/luvit
Luvit is a Node.js-style asynchronous I/O runtime for Lua, built on libuv and LuaJIT, usable as a standalone CLI scripting platform or a li…
573963active
misprit7/computerraria
Computerraria is a fully compliant RISC-V (rv32i) computer built entirely inside the wiring system of the game Terraria, paired with a Rust…
733851active
bcherny/json-schema-to-typescript
A TypeScript library and CLI (json2ts) that compiles JSON Schema definitions into TypeScript type declarations. It can be used programmatic…
773337active
mishoo/UglifyJS
UglifyJS is a JavaScript parser, minifier, compressor, and beautifier toolkit written in JavaScript. It provides a CLI and a programmatic A…
2313382maintenance
fibjs/fibjs
fibjs is a JavaScript runtime built on Chrome's V8 engine that uses fiber-based coroutines with a synchronous, non-blocking IO model. It sh…
673098active
TranscryptOrg/Transcrypt
Transcrypt is a Python 3.9 to JavaScript compiler that precompiles Python source into lean, readable, fast JavaScript for use in the browse…
802918active
OpenCombine/OpenCombine
An open-source Swift implementation of Apple's Combine framework for reactive, value-over-time processing. It enables Combine-compatible co…
232797active
kokkos/kokkos
Kokkos Core is a C++ programming model providing abstractions for parallel execution and memory management to write performance-portable ap…
992649stable
ming1016/SwiftPamphletApp
A macOS knowledge handbook app built with SwiftUI, SwiftData, and Swift Concurrency that organizes Apple/Swift development knowledge points…
392563active
malloydata/malloy
Malloy is an open-source semantic modeling and query language that compiles to SQL and runs on existing database engines like BigQuery, Sno…
952559active
NVIDIA/cccl
CUDA Core Compute Libraries (CCCL) is NVIDIA's unified repository for Thrust, CUB, and libcudacxx, providing high-performance C++ abstracti…
982488active
EmbarkStudios/cargo-deny
cargo-deny is a Cargo plugin (cargo subcommand) for linting Rust dependency graphs. It checks crate licenses against allow/deny lists, bans…
972407active
thheller/shadow-cljs
shadow-cljs is a build tool and compiler for ClojureScript that focuses on simplicity, good defaults, and seamless npm integration. It supp…
772405active
cashapp/zipline
Zipline is a Kotlin library that lets Kotlin/JVM and Kotlin/Native programs load and run Kotlin/JS code by embedding the QuickJS JavaScript…
872298active
cappuccino/cappuccino
Cappuccino is an open-source web application framework that lets developers build desktop-class applications in the browser using Objective…
772264active
Storyyeller/Krakatau
Krakatau is a Rust-based CLI tool for assembling, disassembling, and decompiling Java bytecode. It is specifically designed to handle obfus…
662244active
pygments/pygments
Pygments is a generic syntax highlighter written in Python that supports over 600 languages and text formats. It can be used both as a Pyth…
902204stable
amaranth-lang/amaranth
Amaranth is a Python-based hardware definition language and toolchain for designing synchronous digital logic, including a standard library…
932074active
usbarmory/tamago
TamaGo is a framework that enables compilation and execution of Go applications directly on bare metal processors, without any underlying o…
992020active
TypeStrong/fork-ts-checker-webpack-plugin
A Webpack plugin that runs TypeScript type checking in a separate worker process to speed up builds. It supports project references, increm…
651999active
umdjs/umd
A collection of UMD (Universal Module Definition) patterns and templates for writing JavaScript modules that work across AMD, CommonJS, and…
237434maintenance
jonaskello/tsconfig-paths
A TypeScript library that resolves Node.js module loading according to the paths mapping defined in tsconfig.json or jsconfig.json, at runt…
631905stable
patrick-kidger/jaxtyping
A Python library providing type annotations and runtime type-checking for the shape and dtype of arrays and tensors in JAX, PyTorch, NumPy,…
951859active
bmewburn/vscode-intelephense
Intelephense is a high-performance PHP language server implementing the Language Server Protocol, distributed primarily as a Visual Studio …
911859active
probcomp/Gen.jl
Gen.jl is a general-purpose probabilistic programming system embedded in Julia that lets users write generative models as probabilistic pro…
621850active
rust-fuzz/afl.rs
afl.rs is a Cargo subcommand that lets you fuzz test Rust code with AFLplusplus, the coverage-guided fuzzer. It instruments Rust builds so …
761840active
standardese/cppast
cppast is a C++ library providing a high-level interface to the C++ abstract syntax tree, built on top of libclang with workarounds for its…
601783active

← prev page 18 / 19 next →