Skip to content
OpenSrc
The directory

Field

Compilers & Languages open-source projects

OpenSrc lists 84 repositories about Compilers & Languages with open issues for new contributors, and 44 of them are first-PR friendly. Between them they have 1,322 open good first issues and 998 help-wanted issues. The median welcome score is 73/100, and the best-scored right now are JuliaLang/julia, gleam-lang/gleam and PyO3/pyo3. Most are written in Rust, C++ and Swift. Many also touch Editors & DevTools and Backend & APIs.

84 repos by best score

Filter these in the directory

  • JuliaLang/julia

    The Julia Programming Language

    64good first issues+92 help wanted
    • Julia
    • Field: Scientific Computing
    • Field: Compilers
    • Stars:49.2K
    • MIT
    • CONTRIBUTING
    • replies in ~8h
    Score99 out of 100 contributor score, very welcomingFirst-PR friendly

  • gleam-lang/gleam

    ⭐️ A friendly language for building type-safe, scalable systems!

    29good first issues+153 help wanted
    • Rust
    • Field: Compilers
    • Field: OS
    • Stars:21.9K
    • Apache-2.0
    • CONTRIBUTING
    • replies in ~19h
    Score96 out of 100 contributor score, very welcomingFirst-PR friendly

  • PyO3/pyo3

    Rust bindings for the Python interpreter

    14good first issues+5 help wanted
    • Rust
    • Field: Backend
    • Field: Compilers
    • Stars:16.2K
    • Apache-2.0
    • CONTRIBUTING
    • replies in ~21h
    Score93 out of 100 contributor score, very welcomingFirst-PR friendly

  • python/mypy

    Optional static typing for Python

    9good first issues
    • Python
    • Field: Compilers
    • Stars:20.7K
    • CONTRIBUTING
    • replies in ~16h
    Score90 out of 100 contributor score, very welcomingFirst-PR friendly

  • dart-lang/native

    Dart packages related to native interop and the foreign function interface. Contains code generators for…

    38good first issues
    • Dart
    • Field: Compilers
    • Stars:275
    • BSD-3-Clause
    • CONTRIBUTING
    • replies in ~2d
    Score88 out of 100 contributor score, very welcomingFirst-PR friendly

  • eclipse-openj9/openj9

    Eclipse OpenJ9: A Java Virtual Machine for OpenJDK that's optimized for small footprint, fast start-up, and…

    17good first issues+53 help wanted
    • Java
    • Field: Compilers
    • Field: Networking
    • Stars:3.5K
    • CONTRIBUTING
    • replies in ~2h
    Score86 out of 100 contributor score, very welcomingFirst-PR friendly

  • oxc-project/oxc

    ⚓ A collection of high-performance JavaScript tools.

    4good first issues
    • Rust
    • Field: Compilers
    • Stars:22.9K
    • MIT
    • CONTRIBUTING
    • replies in ~9h
    Score85 out of 100 contributor score, very welcomingFirst-PR friendly

  • Rust-GPU/rust-gpu

    🐉 Making Rust a first-class language and ecosystem for GPU shaders 🚧

    4good first issues+10 help wanted
    • Rust
    • Field: Graphics
    • Field: Compilers
    • Stars:3.4K
    • Apache-2.0
    • CONTRIBUTING
    • replies in ~12h
    Score85 out of 100 contributor score, very welcomingFirst-PR friendly

  • vercel/next.js

    The React Framework

    11good first issues
    • JavaScript
    • Field: Docs Tooling
    • Field: Compilers
    • Stars:142.9K
    • MIT
    • CONTRIBUTING
    Score84 out of 100 contributor score, very welcomingFirst-PR friendly

  • tursodatabase/turso

    A SQL database in Rust: SQLite-compatible, now also speaking Postgres (experimental). The LLVM of databases.

    18good first issues+41 help wanted
    • Rust
    • Field: Databases
    • Field: Embedded
    • Stars:24.4K
    • MIT
    • CONTRIBUTING
    Score84 out of 100 contributor score, very welcomingFirst-PR friendly

  • rust-lang/rust-analyzer

    A Rust compiler front-end for IDEs

    19good first issues
    • Rust
    • Field: Compilers
    • Field: Web Frontend
    • Stars:16.9K
    • Apache-2.0
    • CONTRIBUTING
    • replies in ~4h
    Score83 out of 100 contributor score, very welcomingFirst-PR friendly

  • rust-lang/rustfmt

    Format Rust code

    11good first issues
    • Rust
    • Field: Compilers
    • Stars:7K
    • Apache-2.0
    • CONTRIBUTING
    • replies in ~14h
    Score82 out of 100 contributor score, very welcomingFirst-PR friendly

  • nim-works/nimskull

    An in development statically typed systems programming language; with sustainability at its core. We, the…

    19good first issues+6 help wanted
    • Nim
    • Field: Compilers
    • Field: OS
    • Stars:347
    • CONTRIBUTING
    Score82 out of 100 contributor score, very welcomingFirst-PR friendly

  • wavefnd/Wave

    Wave Programming Language | git mirror: https://wave-lang.dev/source

    74good first issues+74 help wanted
    • Rust
    • Field: Compilers
    • Field: Networking
    • Stars:56
    • MPL-2.0
    • CONTRIBUTING
    Score82 out of 100 contributor score, very welcomingFirst-PR friendly

  • google/closure-compiler

    A JavaScript checker and optimizer.

    6good first issues+31 help wanted
    • JavaScript
    • Field: Compilers
    • Stars:7.7K
    • Apache-2.0
    • CONTRIBUTING
    Score81 out of 100 contributor score, very welcomingFirst-PR friendly

  • ispc/ispc

    Intel® Implicit SPMD Program Compiler

    17good first issues
    • C++
    • Field: Compilers
    • Stars:3K
    • BSD-3-Clause
    • CONTRIBUTING
    • replies in ~14h
    Score81 out of 100 contributor score, very welcomingFirst-PR friendly

  • Brainrotlang/brainrot

    Brainrot programming language interpreter

    11good first issues+14 help wanted
    • C
    • Field: Compilers
    • Stars:629
    • GPL-3.0
    • CONTRIBUTING
    Score81 out of 100 contributor score, very welcomingFirst-PR friendly

  • codethesaurus/codethesaur.us

    A polyglot developer reference tool to compare programming language concepts side-by-side! Great for learning…

    57good first issues+68 help wanted
    • Python
    • Field: Compilers
    • Stars:294
    • AGPL-3.0
    • CONTRIBUTING
    Score81 out of 100 contributor score, very welcomingFirst-PR friendly

  • swiftlang/swift

    The Swift Programming Language

    170good first issues
    • Swift
    • Field: Compilers
    • Stars:70.4K
    • Apache-2.0
    • CONTRIBUTING
    Score80 out of 100 contributor score, very welcomingFirst-PR friendly

  • php/php-src

    The PHP Interpreter

    3good first issues
    • C
    • Field: Compilers
    • Stars:40.4K
    • BSD-3-Clause
    • CONTRIBUTING
    • replies in ~3h
    Score80 out of 100 contributor score, very welcomingFirst-PR friendly

  • sorbet/sorbet

    A fast, powerful type checker designed for Ruby

    71good first issues
    • C++
    • Field: Compilers
    • Stars:3.8K
    • Apache-2.0
    • CONTRIBUTING
    • replies in ~30d
    Score80 out of 100 contributor score, very welcoming

  • hylo-lang/hylo-new

    The Hylo programming language

    16good first issues+3 help wanted
    • Swift
    • Field: Compilers
    • Stars:43
    • Apache-2.0
    • CONTRIBUTING
    • replies in ~2h
    Score80 out of 100 contributor score, very welcomingFirst-PR friendly

  • jfecher/ante

    A safe, easy systems language

    5good first issues
    • Rust
    • Field: Compilers
    • Field: OS
    • Stars:2.3K
    • MIT
    • CONTRIBUTING
    • replies in ~16h
    Score79 out of 100 contributor score, very welcomingFirst-PR friendly

  • slint-ui/slint

    Slint is an open-source declarative GUI toolkit to build native user interfaces for Rust, C++, JavaScript, or…

    5good first issues
    • Rust
    • Field: Web Frontend
    • Field: Compilers
    • Stars:24K
    • CONTRIBUTING
    • replies in ~31h
    Score78 out of 100 contributor score, very welcomingFirst-PR friendly

  • swiftlang/sourcekit-lsp

    Language Server Protocol implementation for Swift and C-based languages

    7good first issues
    • Swift
    • Field: Compilers
    • Field: Networking
    • Stars:3.9K
    • Apache-2.0
    • CONTRIBUTING
    • replies in ~4d
    Score78 out of 100 contributor score, very welcoming

  • swiftlang/swift-package-manager

    The Package Manager for the Swift Programming Language

    25good first issues+1 help wanted
    • Swift
    • Field: Compilers
    • Stars:10.2K
    • Apache-2.0
    • CONTRIBUTING
    • replies in ~30d
    Score77 out of 100 contributor score, very welcoming

  • gyscos/cursive

    A Text User Interface library for the Rust programming language

    5good first issues+4 help wanted
    • Rust
    • Field: CLI Tools
    • Field: Web Frontend
    • Stars:4.8K
    • MIT
    • CONTRIBUTING
    Score77 out of 100 contributor score, very welcomingFirst-PR friendly

  • llvm/circt

    Circuit IR Compilers and Tools

    44good first issues+4 help wanted
    • C++
    • Field: Compilers
    • Stars:2.2K
    • replies in ~2d
    Score77 out of 100 contributor score, very welcoming

  • kdl-org/kdl-rs

    Rust parser for KDL

    10good first issues+12 help wanted
    • Rust
    • Field: Compilers
    • Stars:518
    • Apache-2.0
    • replies in ~12m
    Score77 out of 100 contributor score, very welcoming

  • gazebosim/sdformat

    Simulation Description Format (SDFormat) parser and description files.

    7good first issues+26 help wanted
    • C++
    • Field: Scientific Computing
    • Field: Embedded
    • Stars:220
    • Apache-2.0
    • CONTRIBUTING
    Score77 out of 100 contributor score, very welcomingFirst-PR friendly

Showing 30 of 84 repos

Languages for compilers & languages