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
open-watcom/open-watcom-v2
Open Watcom V2 is the continued development of the classic Watcom C/C++ and Fortran compiler toolchain, including compilers, linker, debugg…
861257active
gustavoguichard/string-ts
A TypeScript library providing common string manipulation functions (like replace, camelCase, deepCamelKeys) that preserve literal string t…
671257active
michaelbull/kotlin-result
A Kotlin multiplatform library providing a Result monad for modelling success or failure operations without exceptions. It supports Ok/Err …
861255active
volarjs/volar.js
Volar.js is a framework for building language tooling for embedded languages, powering language servers like Vue, Astro, and MDX. It provid…
641255active
scalalandio/chimney
Chimney is a battle-tested Scala library for boilerplate-free, type-safe data transformations between case classes and other types. It uses…
931254stable
foonathan/lexy
lexy is a parser combinator library for C++17 and onwards that lets you define grammars directly in C++ as a DSL. It generates hand-written…
441254active
dibyendumajumdar/ravi
Ravi is a dialect of Lua 5.3 with limited optional static typing, a MIR-based JIT compiler, and AOT compilation to native code. It enhances…
261252active
dotnet/dotnet
dotnet/dotnet is the Virtual Monolithic Repository (VMR) containing all source code needed to build the .NET SDK, joining sources from repo…
951251active
m-ou-se/inline-python
A Rust library providing a python!{} macro that lets you write Python code directly inside Rust source files. It uses pyo3 to embed the Pyt…
451250active
theMackabu/ant
Ant is a lightweight, high-performance JavaScript runtime built from scratch in C, featuring its own hand-built engine (Ant Silver) with a …
831249active
lmbelo/pyscripter
PyScripter is a free, open-source, lightweight Python IDE for Windows built in Pascal, aiming to compete with commercial IDEs. It includes …
551249active
wch/r-source
A read-only Git mirror of the official R source code from the upstream SVN repository, updated hourly. It lets developers browse, clone, an…
771248active
Roave/BetterReflection
Better Reflection is a PHP library providing an enhanced reflection API that can reflect on classes not yet loaded, from code strings, and …
981247active
swiftlang/swift-java
A set of tools and libraries from Apple's swiftlang org enabling Swift and Java interoperability. It includes the SwiftJava library with ma…
891247active
gfngfn/SATySFi
SATySFi is a typesetting system built around a statically-typed, functional programming language, producing PDF documents. It combines a La…
571247active
KaisenAmin/c_std
A pure C17 library that reimplements a large slice of the C++ Standard Library (containers, algorithms, smart pointers) plus Python-style u…
671246active
AndreaCrotti/yasnippet-snippets
The official collection of YASnippet snippets for Emacs, covering many programming languages and frameworks. It installs as an Emacs packag…
551246stable
davidbonnet/astring
Astring is a tiny, fast, dependency-free JavaScript code generator that produces JavaScript source code from ESTree-compliant ASTs. It supp…
231246stable
zaach/jison
Jison is a parser generator for JavaScript with an API similar to Bison, taking JSON or Bison-style grammar definitions and generating bott…
324382maintenance
fscheck/FsCheck
FsCheck is a property-based testing library for .NET, ported from Haskell's QuickCheck. Programmers specify properties that functions shoul…
941245active
JetBrains/fernflower
Fernflower is an analytical decompiler that converts Java bytecode (class, jar, zip files) back into readable Java source code. It is bundl…
774371maintenance
colobot/colobot
Colobot: Gold Edition is an open-source real-time strategy game where players program their units in CBOT, a language similar to C++ and Ja…
661243active
foresterre/cargo-msrv
cargo-msrv is a Cargo subcommand that finds, sets, shows, and verifies the Minimum Supported Rust Version (MSRV) of a Rust crate by testing…
911241active
batsh-dev-team/Batsh
Batsh is a C-based programming language that compiles to both Bash and Windows Batch scripts, letting you write shell scripts once that run…
234353maintenance
chaquo/chaquopy
Chaquopy is an SDK that lets developers include Python code in Android apps. It integrates with Android Studio's Gradle build system and pr…
741238active
lfortran/lfortran
LFortran is a modern open-source interactive Fortran compiler built on LLVM that can execute code interactively like a REPL and also compil…
1001231active
42school/norminette
The official C code style linter (norminette) for 42 Network schools, enforcing the 42 coding standard on .c and .h files. It is a Python-b…
621229active
fables-tales/rubyfmt
rubyfmt is a fast, opinionated autoformatter for Ruby source code, written in Rust. It runs as a CLI tool and integrates with editors like …
901228active
tbenthompson/cppimport
cppimport is a Python library that lets you import C++ files directly as Python extension modules, compiling them transparently on first im…
711228active
morganstanley/hobbes
Hobbes is a strongly typed domain-specific language with an embedded JIT compiler and runtime for efficient dynamic expression evaluation, …
771227active
JetBrains/intellij-scala
The official JetBrains plugin that adds Scala language support to IntelliJ IDEA and Android Studio. It provides coding assistance, navigati…
771225active
hugoduncan/criterium
Criterium is a benchmarking library for Clojure that measures expression computation time while addressing JVM benchmarking pitfalls. It ap…
791224active
weavejester/cljfmt
cljfmt is a tool for detecting and fixing formatting errors in Clojure code, with defaults based on the Clojure Style Guide and extensive c…
961223active
holepunchto/bare
Bare is a small, modular JavaScript runtime built on V8 (via libjs) and libuv, designed for desktop and mobile with embedding and cross-dev…
981222active
lloydmeta/enumeratum
Enumeratum is a type-safe, reflection-free enumeration library for Scala with exhaustive pattern match warnings and compile-time macro-base…
861222stable
GaloisInc/cryptol
Cryptol is a domain-specific language and interpreter for specifying cryptographic algorithms, developed by Galois. It provides an executab…
801220active
clojure/core.match
An optimized pattern matching library for Clojure and ClojureScript, part of the official org.clojure ecosystem. It compiles match expressi…
591219stable
meriyah/meriyah
Meriyah is a fully ECMAScript 2024-compliant, self-hosted JavaScript parser written in TypeScript that emits ESTree-compatible ASTs. It foc…
991215stable
dtolnay/no-panic
A Rust attribute macro that makes the compiler prove at link time that a marked function can never panic, failing compilation with a linker…
911214stable
jhipster/prettier-java
A Prettier plugin that adds opinionated code formatting support for the Java language. It parses Java source code and reprints it with cons…
981212active
cc-tweaked/CC-Tweaked
CC: Tweaked is a Minecraft mod that adds programmable computers, turtles, and peripherals controllable via Lua. It is an actively maintaine…
941212active
ankurp/Dollar
Dollar is a Swift utility library providing functional programming helpers for arrays, dictionaries, and functions, inspired by Lo-Dash and…
234238maintenance
OriginQ/QPanda-2
QPanda 2 is an open-source quantum computing framework by Origin Quantum for building, running, and optimizing quantum algorithms, with a C…
231209active
FriendsOfPHP/proxy-manager-lts
A fork of ocramius/proxy-manager that generates and manages OOP proxy classes in PHP, adding long-term support for a wider range of PHP ver…
501208active
jmrozanec/cron-utils
cron-utils is a Java library for defining, parsing, validating, and migrating cron expressions across different cron dialects (Unix, Quartz…
481208active
veselink1/refl-cpp
refl-cpp is a header-only C++17 library providing static, compile-time reflection and introspection. It encodes type metadata in the type s…
231208stable
clj-python/libpython-clj
A Clojure library providing deep bidirectional integration between the JVM and Python, allowing Clojure/Java code to call Python libraries …
761206active
mbutterick/pollen
Pollen is a book-publishing system written in Racket that treats documents as programs, letting authors embed a full programming language w…
101205stable
MagicStack/immutables
A high-performance immutable mapping type for Python based on a Hash Array Mapped Trie (HAMT). It is the implementation used in CPython's c…
331204stable
Mathics3/mathics-core
Mathics3 Core is the kernel of Mathics3, a free open-source computer algebra system with Mathematica-compatible syntax. It provides Python …
861203active
arclanguage/anarki
Anarki is a community-managed, permissively-maintained fork of the Arc dialect of Lisp, implemented on Racket and distributed as an interac…
431203active
SethBling/cbscript
CBScript is a transpiled programming language and compiler by SethBling that compiles .cbscript source files into Minecraft datapack zip fi…
321202active
elonlit/Genesis
Genesis is an interpreted, procedural, Turing-complete esoteric programming language whose keywords are written in Paleo-Hebrew characters,…
231202stable
scala-steward-org/scala-steward
Scala Steward is a bot that automatically keeps Scala project dependencies and build plugins up-to-date by opening pull requests when new v…
931201active
idanarye/rust-typed-builder
A Rust proc-macro crate that derives a compile-time type-checked builder pattern for structs. It enforces at compile time that all mandator…
831201active
ramsey/collection
ramsey/collection is a PHP library for representing and manipulating collections such as arrays, maps, queues, and sets, inspired by the Ja…
781200stable
ndmitchell/ghcid
ghcid is a very simple Haskell development tool that runs GHCi and reloads on every file save, showing errors and warnings in a small conso…
671195active
mckaywrigley/ai-code-translator
A web application that uses AI (LLMs) to translate source code from one programming language to another. It is a Next.js/TypeScript app tha…
304169maintenance
YPLiang19/Mango
MangoFix is an iOS hotfix SDK built around a DSL whose syntax closely resembles Objective-C, allowing developers to replace any Objective-C…
351194active
StepfenShawn/Cantonese
Cantonese is a programming language whose keywords are written in Cantonese (Chinese), implemented with a Rust compiler and distributed via…
771193active
sasha-s/go-deadlock
A Go library providing drop-in replacements for sync.Mutex and sync.RWMutex that detect deadlocks at runtime. It records lock ordering per …
891191active
CakeML/cakeml
CakeML is a functional programming language based on a substantial subset of Standard ML, together with a formally verified compiler that i…
951190active
swiftlang/swift-corelibs-xctest
The open-source Swift core library providing the XCTest unit testing framework for Swift packages and applications across all platforms Swi…
741189active
leaningtech/cheerp-meta
Cheerp is an LLVM/Clang-based C/C++ compiler toolchain that compiles C and C++ code to WebAssembly and JavaScript for use in browsers and N…
421189active
meziantou/Meziantou.Analyzer
Meziantou.Analyzer is a C# Roslyn analyzer distributed as a NuGet package that performs static analysis to detect bugs, security issues, an…
961187active
rvirding/luerl
Luerl is an implementation of the Lua 5.3 scripting language written in pure Erlang/OTP. It is a library that lets Erlang host programs exe…
831184active
Spu7Nix/SPWN-language
SPWN is a programming language written in Rust that compiles to Geometry Dash levels, letting creators build levels and trigger logic throu…
231183active
DMOJ/online-judge
DMOJ is a modern open-source online judge and contest platform for hosting programming competitions and practice problems. It supports sand…
671182active
REditorSupport/vscode-R
A Visual Studio Code extension providing R language support, including a language service (completion, diagnostics, formatting), R terminal…
831179active
total-typescript/tsconfig
A set of preset tsconfig. base configurations for TypeScript projects, packaged as an npm library that you extend via the 'extends' field. …
621179active
peggyjs/peggy
Peggy is a parser generator for JavaScript based on parsing expression grammars (PEG), producing fast parsers with excellent error reportin…
781176active
leon-thomm/Ryven
Ryven is a Qt-based visual node editor and framework for flow-based visual scripting in Python, letting users build dataflow graphs from cu…
104093maintenance
DulLabs/bhai-lang
BhaiLang is a dynamically typed toy programming language written in TypeScript, built as an inside joke with Hindi slang keywords like 'hi …
324092maintenance
google/capslock
Capslock is a capability analysis CLI for Go packages that classifies which privileged operations a package can access via transitive calls…
731175active
VerbalExpressions/CSharpVerbalExpressions
A C# library that provides a fluent, chainable API for constructing regular expressions without writing raw regex syntax. It is part of the…
671175stable
benjamn/ast-types
A TypeScript library providing an Esprima-compatible implementation of the Mozilla JS Parser API abstract syntax tree type hierarchy. It of…
1001173stable
Hex
Hexpm is the API server and website powering hex.pm, the package registry for the Erlang ecosystem (Elixir, Erlang, Gleam). It handles pack…
771170active
DanielGavin/ols
ols is a language server (LSP implementation) for the Odin programming language, providing completions, hover, go-to-definition, references…
1001169active
curv3d/curv
Curv is a pure functional programming language for creating 2D and 3D art using mathematics, built on Function Representation (F-Rep) with …
101165active
betaveros/noulith
Noulith is a scripting programming language implemented in Rust, designed for quick-and-dirty scripts with heavy syntax sugar such as every…
611164active
ProvableHQ/snarkVM
snarkVM is a zero-knowledge virtual machine (zkVM) for Decentralized Private Computations, the core execution engine of the Aleo blockchain…
911163active
GaijinEntertainment/daScript
Daslang (formerly daScript) is a high-performance, statically strong-typed scripting language built at Gaijin Entertainment for games and r…
941162active
replit/upm
UPM is a universal package manager written in Go that provides a single consistent interface for managing packages across many programming …
741162active
AliveToolkit/alive2
Alive2 is a set of C++ libraries and tools for automatically verifying LLVM code and optimization transformations using symbolic execution …
711162active
rstudio/renv
renv is an R package that creates reproducible project environments for R projects. It gives each project a private package library and rec…
981161stable
formal-land/rocq-of-rust
rocq-of-rust is a formal verification tool that translates Rust programs (from the compiler's THIR representation) into the Rocq proof assi…
761161active
adoptium/temurin-build
A collection of shell scripts and Dockerfiles for building OpenJDK binaries, defaulting to Eclipse Temurin distributions. It powers the Ado…
681160active
scalameta/scalameta
Scalameta is a Scala library for reading, analyzing, transforming, and generating Scala programs via lossless syntax trees and quasiquotes.…
981156active
alibaba/coobjc
coobjc is a coroutine library for Objective-C and Swift on iOS, adding async/await, generators, actor model, and tuple support similar to C…
324012maintenance
fannheyward/coc-rust-analyzer
A coc.nvim extension that integrates the rust-analyzer language server into Vim and Neovim. It provides Rust IDE features such as code comp…
761155active
ncalc/ncalc
NCalc is a fast, lightweight expression evaluator library for .NET that parses and evaluates mathematical and logical expressions at runtim…
981154active
P-p-H-d/mlib
M*LIB is a header-only C library providing generic, type-safe containers and data structures (arrays, lists, hashmaps, trees, queues, strin…
831154active
bitflags/bitflags
A Rust crate providing a macro to generate structures that behave like sets of bitflags with well-defined semantics and ergonomic APIs. It …
901153stable
souffle-lang/souffle
Soufflé is a Datalog variant language for expressing static analyses in Horn clauses, with records, strong typing, aggregation, and compone…
641152active
typetools/checker-framework
The Checker Framework is a framework for pluggable type-checking in Java, enhancing Java's type system to detect and prevent bugs like null…
1001149stable
scoder/lupa
Lupa embeds the Lua and LuaJIT runtimes into CPython via Cython, allowing Python code to execute and interoperate with Lua code. It support…
811148active
hazelgrove/hazel
Hazel is a web-based live functional programming environment for an Elm/ML-like language built around typed holes, allowing typechecking, e…
681142active
B-Lang-org/bsc
The Bluespec Compiler (BSC) is a compiler, simulator, and toolchain for the Bluespec Hardware Description Language, supporting both Bluespe…
821141active
hpyproject/hpy
HPy is a new C API and ABI specification for extending Python that is implementation-agnostic, working across CPython, PyPy, and GraalPy. I…
331140active
jspecify/jspecify
JSpecify is a standard, tool-neutral set of Java annotations with precisely specified semantics for powering static analysis, currently foc…
871137stable

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