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
palantir/tslint
TSLint is an extensible static analysis linter for TypeScript that checks code for readability, maintainability, and functionality errors, …
105902abandoned
microsoft/vscode-go
A VS Code extension providing Go language support, including IntelliSense, debugging, and code navigation. It was moved to the golang/vscod…
105890abandoned
dudykr/stc
stc is a TypeScript type checker written in Rust, aiming to be a much faster alternative to tsc while matching its behavior. The project is…
105714abandoned
microsoft/BosqueLanguage
Bosque is an experimental programming language from Microsoft combining functional semantics with block-based syntax, designed for regulari…
105210abandoned
nsf/gocode
Gocode is an autocompletion daemon for the Go programming language that integrates with editors like Vim, Neovim, and Emacs. It uses a clie…
624992abandoned
cia-foundation/TempleOS
TempleOS is a free, public-domain, 64-bit hobby operating system written by Terry A. Davis, featuring its own HolyC language, compiler, and…
234788abandoned
remacs/remacs
Remacs is a community-driven port of GNU Emacs to Rust, replacing parts of the C codebase with Rust implementations while remaining compati…
324611abandoned
llvm-mirror/llvm
LLVM is a modular compiler infrastructure providing an SSA-based intermediate representation, a source- and target-independent optimizer, a…
104579abandoned
intellij-rust/intellij-rust
The open-source Rust language plugin for IntelliJ-based IDEs (IDEA, CLion, PyCharm, etc.), providing code completion, Cargo support, debugg…
324528abandoned
go-lang-plugin-org/go-lang-idea-plugin
A Go language support plugin for IntelliJ-based IDEs, providing IDE features like syntax highlighting, navigation, and debugging. It is off…
234528abandoned
dabeaz/curio
Curio is a coroutine-based concurrency library for Python using async/await, providing tasks, sockets, files, locks, queues, and structured…
104125abandoned
async-rs/async-std
async-std is a Rust crate providing an async version of the Rust standard library, with async/await-compatible APIs for tasks, networking, …
424066abandoned
golang/lint
Golint is a linter for Go source code that flags stylistic mistakes based on Effective Go and the Go CodeReviewComments conventions. It is …
103962abandoned
fatih/structs
A Go library providing high-level utilities for working with structs via reflection, such as converting structs to maps, extracting field n…
103923abandoned
autozimu/LanguageClient-neovim
A Rust-based vim/neovim plugin providing Language Server Protocol (LSP) support, including completion, diagnostics, goto-definition, rename…
443555abandoned
rust-lang/rls
The Rust Language Server (RLS) implements the Language Server Protocol to give editors and IDEs Rust support such as goto definition, compl…
103497abandoned
krakjoe/pthreads
A PHP extension providing object-oriented multi-threading based on POSIX threads, requiring a ZTS-enabled PHP build. It offers Threaded obj…
103445abandoned
shyiko/jabba
Jabba is a cross-platform Java Version Manager written in Go that lets developers install and switch between multiple JDK versions. This or…
593409abandoned
typings/typings
Typings is a CLI package manager for installing and managing TypeScript type definition files. It is deprecated in favor of npm's @types pa…
103358abandoned
racer-rust/racer
Racer (Rust Auto-Complete-er) is a CLI utility that provides Rust code completion for editors and IDEs. It is no longer actively developed,…
233354abandoned
pNre/ExSwift
ExSwift is a Swift library providing extensions for standard types and classes such as Array, String, Int, Dictionary, and Range. It adds c…
103345abandoned
dotnet/interactive
.NET Interactive is an engine and API for running and editing code interactively, powering polyglot notebooks, REPLs, and embedded scriptin…
103200abandoned
llvm-mirror/clang
Clang is a compiler front-end for the C language family (C, C++, Objective-C, Objective-C++) built as part of the LLVM compiler infrastruct…
103048abandoned
colesbury/nogil
A proof-of-concept fork of CPython that removes the global interpreter lock (GIL) to enable true multithreaded Python execution. Developmen…
102911abandoned
dabeaz/ply
PLY is a pure-Python, zero-dependency implementation of the classic lex and yacc parsing tools, providing lexing and LALR(1) parsing. It is…
102909abandoned
doctrine/reflection
A PHP library from the Doctrine project that extends PHP's built-in reflection API, allowing static retrieval of reflection information abo…
102896abandoned
com-lihaoyi/Ammonite
Ammonite is a Scala REPL and script runner that lets developers use Scala for lightweight scripting and interactive exploration without set…
822630abandoned
gopher-os/gopher-os
A proof-of-concept 64-bit OS kernel written in Go, aiming for POSIX compliance and Linux-compatible syscalls. It exists to demonstrate that…
322622abandoned
agermanidis/livepython
Livepython is a desktop app that visually traces Python code execution in real time, showing the current line and tracking variable changes…
322562abandoned
Pyston
Pyston v1 was a faster, highly compatible implementation of the Python programming language, focused on improving runtime performance. This…
232493abandoned
yunabe/lgo
lgo is a Jupyter Notebook kernel and interactive REPL for the Go programming language, providing full Go language compatibility with code c…
322454abandoned
gpmgo/gopm
Gopm is a package manager and build tool for the Go language that downloads, builds, and installs packages with specific revisions without …
102443abandoned
facebookarchive/pfff
pfff is a set of OCaml tools and APIs for static analysis, code visualization, code navigation, and style-preserving source-to-source trans…
102437abandoned
MichiganTypeScript/typescript-types-only-wasm-runtime
A WebAssembly runtime implemented entirely in TypeScript's type system, with no JavaScript runtime code, capable of compiling and executing…
322404abandoned
jacobdufault/cquery
cquery is a highly-scalable, low-latency language server for C/C++/Objective-C built on libclang, designed for very large code bases like C…
102361abandoned
pixie-lang/pixie
Pixie is a small, fast, native Lisp language with its own virtual machine, written in RPython and featuring a tracing JIT, immutable data s…
232358abandoned
haskell/haskell-ide-engine
Haskell IDE Engine (HIE) was a Language Server Protocol server providing Haskell-specific functionality to editors and IDEs. It is now depr…
102354abandoned
tylerlaberge/PyPattyrn
PyPattyrn is a Python package providing ready-made base classes and metaclasses for common GoF design patterns like Singleton, Factory, Obs…
102347abandoned
move-language/move
The original home of the Move programming language, a Rust-based language and toolchain for safe smart-contract development on blockchains.…
102331abandoned
gojp/goreportcard
Go Report Card is a web application and CLI that grades the quality of Go projects using checks like gofmt, go vet, golint, and gocyclo, pr…
102171abandoned
supermarin/ObjectiveSugar
ObjectiveSugar is a small Objective-C library that adds Ruby-style functional helpers to Foundation classes like NSNumber, NSArray, NSSet, …
102158abandoned
fsharp/fsharp
The historical repository for alternative packagings of the F# compiler, F# Interactive (fsi), and FSharp.Core, distributed via the FSharp.…
102157abandoned
simrat39/rust-tools.nvim
A Neovim plugin that enhances Rust development by integrating rust-analyzer via Neovim's built-in LSP, adding features like inlay hints, de…
102131abandoned
unofficial-openjdk/openjdk
An automated read-only Git mirror of various OpenJDK branches, not intended for contributions. The repository is no longer actively updated…
322130abandoned
constabulary/gb
gb is a project-based build tool for the Go programming language, offering a $GOPATH-free workflow where each project is a directory contai…
102113abandoned
YaroslavGaponov/node-jvm
A Java Virtual Machine implementation written entirely in JavaScript for Node.js, capable of loading and executing compiled Java class file…
322106abandoned
brson/stdx
stdx is a curated meta-crate collecting the best-known Rust crates ('the missing batteries of Rust'), bundling libraries like serde, regex,…
352083abandoned
JSMonk/hegel
Hegel is an advanced static type checker for JavaScript with optional type annotations, strong soundness checks, powerful type inference, a…
102082abandoned
origamitower/folktale
Folktale is a standard library for functional programming in JavaScript, providing algebraic data types like Maybe, Result, and Validation,…
102029abandoned
zhuowei/nft_ptr
A C++ library that replaces std::unique_ptr with a version that mints each heap object's memory address as an NFT on the Ethereum blockchai…
322025abandoned
tildeio/helix
Helix is a Rust framework for writing native Ruby extension classes in Rust without manual glue code, using a ruby! macro to generate bindi…
101992abandoned
lattera/glibc
A mirror of the GNU C Library (glibc), the standard C library providing the system API for C and C-compatible programs on GNU/Linux and GNU…
101976abandoned
probablycorey/wax
Wax is a framework that bridges Lua and Objective-C via the Objective-C runtime, letting developers write native iPhone apps in Lua. The or…
321971abandoned
rui314/9cc
9cc is a small C compiler written in C that compiles source code to x86-64 assembly through a simple, readable pipeline of parsing, semanti…
321949abandoned
tweag/asterius
Asterius is a Haskell to WebAssembly compiler based on GHC that compiles Haskell source files or Cabal executables to WebAssembly plus Java…
101948abandoned
pypyjs/pypyjs
PyPy.js is the PyPy Python interpreter compiled to JavaScript via an experimental emscripten/asm.js backend, allowing Python to run in the …
231847abandoned
dgrunwald/rust-cpython
rust-cpython is a Rust library providing bindings to the Python interpreter, enabling Rust code to call Python and Rust extension modules t…
321839abandoned
asm-js/validator
A reference validator for asm.js, the highly optimizable subset of JavaScript targeted by compilers like Emscripten. It checks JavaScript s…
321771abandoned
facebookresearch/TransCoder
TransCoder is a PyTorch implementation of an unsupervised neural model that translates source code between Java, C++, and Python 3. It is a…
101732abandoned
jeremeamia/super_closure
A PHP library that enables serializing and unserializing closures and anonymous functions, which PHP does not allow natively. It offers two…
231707abandoned
rustedpy/result
A Python library providing a Rust-like Result type (Ok/Err) for explicit error handling, fully type annotated for mypy and type checkers. T…
101680abandoned
dotnet/roslyn-analyzers
The former home of Microsoft's Roslyn source analyzers for .NET, including Microsoft.CodeAnalysis.NetAnalyzers. The repository has been con…
791672abandoned
rubyjs/therubyracer
A Ruby gem that embeds the V8 JavaScript interpreter into Ruby, letting Ruby code evaluate JavaScript, expose Ruby objects to JS, and call …
101653abandoned
Jintin/Swimat
Swimat is an Xcode source editor plug-in that formats Swift code, built as a hand-written character scanner. It is now archived and unmaint…
101631abandoned
mozilla/task.js
task.js is a JavaScript library built on ES6 generators that provides a cooperative task scheduler and synchronizable events, enabling non-…
321628abandoned
dundalek/closh
Closh is a bash-like interactive shell built on Clojure and ClojureScript, letting users mix traditional unix shell commands with Clojure c…
231627abandoned
amayne/SwiftString
SwiftString is a lightweight Swift library providing a comprehensive set of string extension methods like between, camelize, chompLeft, and…
321608abandoned
microsoft/Pyjion
Pyjion is a just-in-time (JIT) compilation library for CPython built on the .NET CoreCLR JIT compiler, exposed through a C API that allows …
101592abandoned
elixirscript/elixirscript
ElixirScript is a compiler that converts Elixir code into JavaScript by transforming the Elixir AST into a JavaScript ESTree AST. It integr…
231565abandoned
nbp/holyjit
HolyJit is a generic-purpose Just-In-Time compiler library for Rust that extends the Rust compiler (as a rustc driver) to convert annotated…
321554abandoned
oxfeeefeee/goscript
Goscript is an alternative implementation of the Go language specification written in Rust, designed as an embeddable scripting language fo…
591544abandoned
sbinet/go-python
Go bindings to the CPython 2 C-API via cgo, exposing PyXYZ functions to Go programs. It also ships a go-python executable that embeds the P…
101535abandoned
cevek/ttypescript
ttypescript is a drop-in wrapper around the TypeScript compiler that enables custom AST transformers to be declared in tsconfig. and run vi…
231534abandoned
dotnet/llilc
LLILC is an LLVM-based compiler for .NET Core that compiles MSIL bytecode to LLVM-supported platforms, serving as a JIT for CoreCLR and an …
101514abandoned
sstalle/php7cc
php7cc is a command-line tool that scans PHP 5.3-5.6 codebases for statements that may break on PHP 7, producing reports with file names, l…
231510abandoned
golang/vgo
A standalone prototype of a version-aware `go` command that brought Go 1.11 module support to users on Go 1.10 toolchains. It is now obsole…
731509abandoned
mikechambers/as3corelib
as3corelib is an ActionScript 3 utility library originally from Adobe, providing MD5 and SHA-1 hashing, image encoders, JSON serialization,…
321504abandoned
ramda/ramda-fantasy
A JavaScript library providing Fantasy-Land compatible algebraic data types (Either, Maybe, Future, IO, Reader, State, Tuple, Identity) des…
231499abandoned
Zewo/Venice
Venice is a Swift library providing coroutines, structured concurrency, and CSP-style channels, built on a fork of the C library libdill. I…
231494abandoned
joefitzgerald/go-plus
go-plus is an Atom editor package that provides an enhanced Go development experience with autocomplete, formatting, linting, build, test, …
101492abandoned
tdenniston/bish
Bish is a lightweight programming language with modern syntax that compiles down to Bash, making shell scripts more comfortable to write wh…
321489abandoned
owenthereal/godzilla
Godzilla is an ES2015-to-Go source code transpiler and runtime intended as a near drop-in replacement for Node.js. It compiles JavaScript t…
321477abandoned
valderman/haste-compiler
Haste is a GHC-based compiler that translates Haskell programs into JavaScript, supporting most GHC extensions and standard Haskell librari…
231475abandoned
jsx/JSX
JSX is a statically-typed, class-based programming language developed at DeNA that compiles to JavaScript, aiming to be faster, safer, and …
321470abandoned
dotnet/corefxlab
A sandbox repository for experimenting with new library ideas for the .NET ecosystem, related to the corefx codebase. It is now archived, w…
101457abandoned
use-ink/ink
ink! is a Rust-based embedded domain-specific language (eDSL) for writing smart contracts that run on Polkadot SDK-based blockchains via th…
671455abandoned
robb/Underscore.m
Underscore.m is a small Objective-C utility library for functional-style manipulation of common data structures like arrays and dictionarie…
101455abandoned
SaptakBhoumik/Peregrine
Peregrine is a compiled systems programming language written in C++ that aims to combine Python-like syntax with C-like performance, compil…
321436abandoned
utahta/pythonbrew
pythonbrew is a command-line Python environment manager written in Go that installs multiple Python versions and switches between them, wit…
231433abandoned
clipperhouse/gen
gen is a command-line code generation tool for Go that provides generics-like functionality by generating typed methods (LINQ/underscore-in…
231424abandoned
ry/v8worker
A minimal Go binding to the V8 JavaScript engine, allowing Go applications to execute JavaScript. It is deprecated and superseded by ry/v8w…
101413abandoned
rust-lang/vscode-rust
A deprecated Visual Studio Code extension that adds Rust language support via the Rust Language Server (RLS) or rust-analyzer. It provides …
101398abandoned
beeware/batavia
Batavia is a Python virtual machine implemented in JavaScript, allowing Python 3.5+ bytecode to run in the browser. It is an early alpha pr…
101377abandoned
sslab-gatech/Rudra
Rudra is a static analyzer that detects common undefined behaviors and memory safety issues in Rust programs, capable of analyzing single p…
101368abandoned
microsoft/TouchDevelop
TouchDevelop is a touch-friendly, mobile-first app creation environment from Microsoft Research, including a browser-based editor, compiler…
101360abandoned
replit-archive/repl.it
An archived web-based online REPL that lets users interactively run code in 15+ languages (Python, Ruby, Lua, Scheme, CoffeeScript, Brainfu…
101349abandoned
albertlatacz/java-repl
A Read-Eval-Print-Loop (REPL) for the Java language, runnable from the console or a web terminal. It supports Java constructs, class loadin…
231336abandoned
alongubkin/spider
Spider is a programming language that compiles to JavaScript (ES5 and ES6), combining ideas from Go, Swift, Python, C#, and CoffeeScript. I…
321326abandoned
murarth/rusti
Rusti is an interactive REPL (read-eval-print loop) for the Rust programming language, allowing users to type and evaluate Rust code line b…
101322abandoned
snoack/python-goto
A Python function decorator that rewrites CPython bytecode to enable goto and label statements in Python functions. It is discontinued and …
101308abandoned

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