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@usethesource

Use The Source

Open Source Projects around Meta Programming

About

UseTheSource is the organization that hosts and sustains the open-source community around the Rascal metaprogramming language. This includes:

  • Core technology (runtime system, interpreter, type-checker, compiler, maven plugin)
  • IDE technology (Eclipse, VScode, Language Server protocol)
    • plugins and extensions for Rascal itself
    • plugins and extensions generated from Rascal-defined DSL specifications
  • Reusable libraries:
    • code-as-data enablers: C/C++, Java, PHP, Python, JS, ...
    • general tools: ambiguity diagnostics, UI frameworks, search, type-checking, ...

Find out more about the community's standards and values here

Repositories (selected)

  • rascal - interpreter, static checker, compiler and runtime system, standard library, tutor compiler
  • rascal-language-servers - VScode extension and LSP server for Rascal, including VScode extension generator and LSP server generator for DSLs
  • typepal - generic type and name analysis framework
  • rascal-maven-plugin
  • vallang - Algebraic terms, Relational algebra and Numbers, the value implementations and exchange format under Rascal
  • salix-core - Elm-style UI framework for Rascal
  • flybytes - Reverse and forward engineering framework for JVM bytecode.
  • capsule - hash-trie based fast immutable multi-sets and multi-maps that implement vallang

Pinned Loading

  1. rascal rascal Public

    The implementation of the Rascal meta-programming language (including interpreter, type checker, parser generator, compiler and JVM based run-time system)

    Java 432 81

  2. rascal-language-servers rascal-language-servers Public

    An LSP server for Rascal which includes an easy-to-use LSP generator for languages implemented in Rascal, and an interactive terminal REPL.

    Java 18 12

  3. rascal-core rascal-core Public archive

    Static checker, compiler to Java and run-time classes for compiled Rascal programs

    Rascal 12 4

  4. clair clair Public

    C Language Analysis in Rascal

    Java 26 14

Repositories

Showing 10 of 32 repositories
  • rascal-language-servers Public

    An LSP server for Rascal which includes an easy-to-use LSP generator for languages implemented in Rascal, and an interactive terminal REPL.

    usethesource/rascal-language-servers’s past year of commit activity
    Java 18 BSD-2-Clause 12 93 (2 issues need help) 18 Updated Sep 30, 2025
  • rascal Public

    The implementation of the Rascal meta-programming language (including interpreter, type checker, parser generator, compiler and JVM based run-time system)

    usethesource/rascal’s past year of commit activity
    Java 432 81 480 16 Updated Sep 30, 2025
  • capsule Public

    The Capsule Hash Trie Collections Library

    usethesource/capsule’s past year of commit activity
    Java 411 BSD-2-Clause 28 10 1 Updated Sep 22, 2025
  • typepal Public

    TypePal is a framework for name analysis, type checking and type inference

    usethesource/typepal’s past year of commit activity
    Rascal 5 BSD-2-Clause 4 4 0 Updated Sep 20, 2025
  • usethesource/export-secrets-test’s past year of commit activity
    0 0 0 0 Updated Sep 19, 2025
  • usethesource.github.io Public

    Organization website for UseTheSource

    usethesource/usethesource.github.io’s past year of commit activity
    HTML 1 2 4 0 Updated Sep 17, 2025
  • rascal-website Public

    The rascal website hosts the Rascal project, all of its documentation, the news and the presentation of (third-party) libraries and projects written in Rascal.

    usethesource/rascal-website’s past year of commit activity
    Rascal 1 12 6 7 Updated Sep 17, 2025
  • flybytes Public

    Flybytes is an intermediate language between JVM bytecode and software languages (DSLs, PLs), for compilation and decompilation.

    usethesource/flybytes’s past year of commit activity
    Java 18 BSD-2-Clause 7 9 0 Updated Sep 16, 2025
  • rascal-core-big-tests Public

    A repository to automate some large scale testing of rascal-core

    usethesource/rascal-core-big-tests’s past year of commit activity
    Rascal 0 1 0 0 Updated Sep 9, 2025
  • vallang Public

    Generic immutable recursive data representation API targeted at source code models and more.

    usethesource/vallang’s past year of commit activity
    Java 37 14 6 4 Updated Sep 3, 2025

Sponsors

  • @SWAT-engineering

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