Open-source interpreter software
754 open-source libraries, tools and applications tagged interpreter, ranked by how closely interpreter is their primary purpose, then by adoption and maintenance health. Each entry links to a page with sources, use cases and when to choose or avoid it.
754 products, primary matches first, then adoption-weighted; health v2 shown.
| Product | Health v2 | Stars | Maturity |
|---|---|---|---|
| dotnetcore/Natasha Natasha is a Roslyn-based C# dynamic assembly building library that lets developers compile and load C# code at runtime, creating domains, … | 64 | 1587 | active |
| bpftime bpftime is a high-performance userspace eBPF runtime and general extension framework that lets existing eBPF tools run without kernel privi… | 84 | 1585 | active |
| mattn/anko Anko is a scriptable interpreter written in Go that provides its own JavaScript-like scripting language. It can be embedded in Go applicati… | 70 | 1582 | active |
| IKVM IKVM is an implementation of Java for the .NET platform, providing a JVM implemented in .NET along with a bytecode-to-IL converter. It lets… | 100 | 1573 | active |
| Moddable SDK The Moddable SDK is a development toolkit and runtime for building IoT applications in standard JavaScript on low-cost microcontrollers lik… | 94 | 1554 | active |
| ThakeeNathees/pocketlang Pocketlang is a lightweight, fast, embeddable scripting language written in C with a Ruby-flavored Python-like syntax, including its own by… | 56 | 1548 | active |
| twibiral/obsidian-execute-code An Obsidian plugin that adds run buttons to code blocks in notes, executing code locally in many languages (Python, JavaScript, C++, Rust, … | 42 | 1534 | active |
| jart/sectorlisp SectorLISP is a 512-byte LISP implementation that fits in a boot sector and boots John McCarthy's meta-circular evaluator on bare metal fro… | 68 | 1526 | stable |
| fubark/cyber Cyber is a fast, memory-safe scripting language with a VM and JIT, supporting dynamic and optional static typing plus concurrency via fiber… | 45 | 1523 | active |
| ngs-lang/ngs Next Generation Shell (NGS) is a modern programming language and shell designed specifically for DevOps tasks, combining a bash-like syntax… | 66 | 1519 | active |
| rxi/fe A tiny embeddable Lisp-like scripting language implemented in under 800 lines of portable ANSI C. It offers a simple C API, lexical scoping… | 32 | 1513 | stable |
| Teneted/Tenet Tenet (formerly Mohist/Thermos/Cauldron/MCPC+) is a Minecraft Forge hybrid server that implements the Spigot/Bukkit plugin API, allowing Fo… | 66 | 1512 | active |
| Csound Csound is a sound and music computing system, originally an audio programming language descended from the MUSIC-N family, with a core C lib… | 99 | 1510 | active |
| Norbyte/bg3se A script extender for Baldur's Gate 3 that injects Lua and Osiris scripting support into the game. It enables mod developers to write scrip… | 88 | 1509 | active |
| clojure/core.logic A logic programming library for Clojure and ClojureScript implementing miniKanren with Prolog-like relational and constraint logic programm… | 55 | 1506 | stable |
| rigetti/pyquil PyQuil is a Python library for building quantum programs in the Quil instruction language developed by Rigetti Computing. It generates, com… | 93 | 1498 | active |
| ninia/jep Jep is a library that embeds CPython in the Java Virtual Machine through JNI, allowing Java applications to run Python code and use Python … | 83 | 1489 | active |
| Pharo Pharo is a pure, reflective, dynamically typed object-oriented programming language in the Smalltalk tradition, shipped with an immersive l… | 73 | 1487 | active |
| robpike/ivy Ivy is an interpreter for an APL-like array language that works as an interactive calculator. It is written in Go and supports bignum arith… | 77 | 1486 | active |
| zalo/CascadeStudio Cascade Studio is a browser-based, live-scripted CAD IDE built on the OpenCascade (OCCT) kernel compiled to WebAssembly. It lets users writ… | 74 | 1486 | active |
| ring-lang/ring Ring is a simple, lightweight, embeddable, multi-paradigm dynamic programming language implemented in C, supporting imperative, procedural,… | 84 | 1470 | active |
| digego/extempore Extempore is a live-coding environment for music and audio that pairs a Scheme interpreter with xtlang, a statically-typed lisp compiled to… | 97 | 1465 | active |
| objectionary/eo EO (EOLANG) is an experimental pure object-oriented programming language based on 𝜑-calculus, implemented in Java. It deliberately rejects … | 92 | 1462 | active |
| esm A zero-dependency ECMAScript module loader for Node.js that enables ESM syntax (import/export, import.meta, dynamic import) in Node 6+ with… | 10 | 5238 | maintenance |
| gambit/gambit Gambit is a complete, portable, and efficient implementation of the Scheme programming language, including an interpreter (gsi) and an opti… | 77 | 1447 | stable |
| enarx/enarx Enarx is an open-source command-line tool and runtime for running applications inside hardware Trusted Execution Environments (TEEs) such a… | 48 | 1429 | active |
| titzer/virgil Virgil is a fast, lightweight, statically-typed systems programming language that blends functional and object-oriented paradigms. Its self… | 77 | 1427 | active |
| ShadowMario/FNF-PsychEngine Psych Engine is a Haxe-based engine for Friday Night Funkin', originally built for the Mind Games mod. It fixes vanilla issues, adds mod su… | 10 | 1420 | active |
| Smoothie Smoothieware is a modular, open-source G-code interpreter and CNC controller firmware written in object-oriented C++ for 32-bit controller … | 72 | 1408 | active |
| HoTT/Coq-HoTT A Coq library for Homotopy Type Theory, interpreting Martin-Löf's intensional type theory into abstract homotopy theory. It provides formal… | 82 | 1405 | active |
| ashinn/chibi-scheme Chibi-Scheme is a minimal Scheme implementation designed to be embedded as an extension and scripting language in C programs. It supports R… | 76 | 1405 | stable |
| pgcentralfoundation/plrust PL/Rust is a loadable procedural language handler for PostgreSQL that lets developers write database functions in Rust, compiled to native … | 50 | 1405 | active |
| TWiLight Menu++ nds-bootstrap is an open-source homebrew application that loads Nintendo DS/DSi ROMs and homebrew natively from an SD card on DSi/3DS conso… | 99 | 1404 | active |
| toitlang/toit The Toit language implementation, consisting of a compiler, virtual machine, and standard libraries for running a modern high-level languag… | 97 | 1394 | active |
| babashka/sci SCI is a small, configurable Clojure and ClojureScript interpreter for evaluating code from user input or building Clojure DSLs. It works o… | 96 | 1387 | active |
| esseks/monicelli Monicelli is an esoteric programming language based on the 'supercazzole' gibberish from the Italian comedy film Amici Miei. It ships with … | 47 | 1381 | active |
| cvc5/cvc5 cvc5 is an open-source automatic theorem prover for Satisfiability Modulo Theories (SMT) problems, determining the satisfiability of first-… | 95 | 1374 | active |
| ScriptHookVDotNet ScriptHookVDotNet (SHVDN) is an ASI plugin for Grand Theft Auto V that hosts a .NET Framework runtime in-game, letting users run scripts wr… | 66 | 1374 | active |
| silentmatt/expr-eval expr-eval is a JavaScript library that parses and evaluates mathematical expressions, designed as a safer, math-oriented alternative to Jav… | 32 | 1353 | stable |
| SkriptLang/Skript Skript is a Paper plugin that lets Minecraft server admins customize their servers using an English-like scripting language instead of writ… | 96 | 1341 | active |
| pac-ac/osakaOS osakaOS is a 32-bit hobby operating system written in C++ with intentionally unconventional design, themed around the anime character Osaka… | 62 | 1341 | active |
| Nicholas3388/LuaNode LuaNode is a Lua SDK/firmware for ESP32, ESP32-C2/C3/C6, ESP8266, and STM32L4 microcontrollers, built on ESP-IDF and ESP8266_RTOS_SDK. It l… | 32 | 1334 | active |
| dekuNukem/duckyPad duckyPad is an open-source 15-key mechanical macropad with per-key RGB, an OLED screen, and a custom turing-complete duckyScript engine for… | 56 | 1328 | active |
| sirthias/parboiled parboiled is a mixed Java/Scala library for lightweight, easy-to-use parsing of arbitrary text based on Parsing Expression Grammars (PEGs).… | 77 | 1319 | stable |
| rust-ethereum/evm Rust EVM (formerly SputnikVM) is a pure Rust implementation of the Ethereum Virtual Machine interpreter. It is a flexible, standalone libra… | 70 | 1319 | active |
| CalebFenton/simplify Simplify is a generic Android deobfuscator that virtually executes Dalvik methods in a sandbox (smalivm) and applies optimizations like con… | 23 | 4668 | maintenance |
| AlexNisnevich/untrusted Untrusted is a browser-based meta-JavaScript adventure game where players guide Dr. Eval through levels by editing and re-executing the Jav… | 39 | 4666 | maintenance |
| Garry's Mod The public repository of Lua, text, and config extensions for Garry's Mod, a physics sandbox game built on a modified version of Valve's So… | 89 | 1314 | active |
| LekKit/RVVM RVVM is a high-performance RISC-V virtual machine and emulator written in C, featuring a tracing JIT with x86_64, ARM64, and RISC-V backend… | 67 | 1310 | active |
| 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 … | 83 | 1299 | active |
| jpype-project/jpype JPype is a Python module that provides full access to Java class libraries from within Python by interfacing natively with the JVM through … | 83 | 1296 | stable |
| SWI-Prolog SWI-Prolog is a comprehensive, open-source (BSD-2) implementation of the Prolog logic programming language, implemented in C and Prolog wit… | 97 | 1288 | stable |
| DCurrent/openbor OpenBOR is a royalty-free, sprite-based 2D side-scrolling game engine optimized for beat 'em ups (Double Dragon, Streets of Rage, Final Fig… | 66 | 1273 | active |
| mighty-gerbils/gerbil Gerbil is an opinionated dialect of Scheme built on the Gambit runtime and compiler, featuring a state-of-the-art macro system (native synt… | 72 | 1270 | active |
| google/codeworld CodeWorld is a web-based educational programming environment built on Haskell, letting students create geometric drawings, animations, and … | 57 | 1270 | stable |
| shinh/elvm ELVM is a compiler infrastructure similar to LLVM but targeting esoteric languages, compiling C code (via a modified 8cc frontend) into a s… | 69 | 1266 | active |
| Wandbox Wandbox is an online compiler service (wandbox.org) that lets users write, compile, and run code snippets in dozens of languages — C++, Rus… | 75 | 1265 | stable |
| 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… | 65 | 1259 | active |
| 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… | 99 | 1254 | active |
| 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… | 77 | 1254 | active |
| Colobot: Gold Edition 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… | 63 | 1250 | active |
| 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… | 41 | 1250 | active |
| form-dev/form FORM is a symbolic manipulation system written in C that reads symbolic expressions from files and performs algebraic transformations, outp… | 89 | 1244 | active |
| 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… | 99 | 1242 | active |
| EasyRPG Player EasyRPG Player is a free, cross-platform game interpreter that plays games created with RPG Maker 2000 and 2003, using the liblcf library t… | 74 | 1235 | active |
| oracle-samples/clara-rules Clara Rules is a forward-chaining rules engine written in Clojure and ClojureScript, with Java interoperability for using JavaBeans as fact… | 64 | 1235 | active |
| hundredrabbits/Ronin Ronin is an experimental procedural graphics terminal that interprets a minimal LISP dialect to automate graphical tasks like resizing, cro… | 36 | 1232 | active |
| morganstanley/hobbes Hobbes is a strongly typed domain-specific language with an embedded JIT compiler and runtime for efficient dynamic expression evaluation, … | 77 | 1230 | active |
| CC: Tweaked CC: Tweaked is a Minecraft mod that adds programmable computers, turtles, and peripherals controllable via Lua. It is an actively maintaine… | 95 | 1226 | active |
| GaloisInc/cryptol Cryptol is a domain-specific language and interpreter for specifying cryptographic algorithms, developed by Galois. It provides an executab… | 86 | 1224 | active |
| maoabc/nmmp nmmp is an APK/AAB/AAR hardening tool that converts Dalvik bytecode from classes.dex into native C code executed by a custom dex virtual ma… | 36 | 1222 | active |
| PCjs PCjs is a collection of JavaScript-based emulators for classic computers, including the original IBM PC (PCx86), 6502 and 8080 microcompute… | 77 | 1221 | active |
| QPython QPython is an Android application that embeds a Python interpreter, runtime environment, and code editor, letting users run Python directly… | 54 | 1219 | active |
| Mathics3/mathics-core Mathics3 Core is the kernel of Mathics3, a free open-source computer algebra system with Mathematica-compatible syntax. It provides Python … | 83 | 1216 | active |
| clj-python/libpython-clj A Clojure library providing deep bidirectional integration between the JVM and Python, allowing Clojure/Java code to call Python libraries … | 72 | 1209 | active |
| 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… | 23 | 1209 | active |
| elonlit/Genesis Genesis is an interpreted, procedural, Turing-complete esoteric programming language whose keywords are written in Paleo-Hebrew characters,… | 23 | 1208 | stable |
| CakeML/cakeml CakeML is a functional programming language based on a substantial subset of Standard ML, together with a formally verified compiler that i… | 92 | 1204 | active |
| arclanguage/anarki Anarki is a community-managed, permissively-maintained fork of the Arc dialect of Lisp, implemented on Racket and distributed as an interac… | 39 | 1203 | active |
| wallabyjs/quokka Quokka.js is a rapid prototyping playground for JavaScript and TypeScript that runs code as you type and displays runtime values, logs, err… | 37 | 1201 | active |
| ethereum/execution-specs An executable Python reference implementation of Ethereum's Execution Layer (EELS), including the EVM and consensus-critical behavior, with… | 95 | 1200 | active |
| 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… | 31 | 1196 | active |
| StepfenShawn/Cantonese Cantonese is a programming language whose keywords are written in Cantonese (Chinese), implemented with a Rust compiler and distributed via… | 75 | 1194 | active |
| GaijinEntertainment/daScript Daslang (formerly daScript) is a high-performance, statically strong-typed scripting language built at Gaijin Entertainment for games and r… | 94 | 1191 | active |
| Jamesbarford/holyc-lang A from-scratch compiler for HolyC, the language of TempleOS, written in C. It provides AOT and JIT compilation, a REPL, LSP support, an ass… | 86 | 1190 | active |
| 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… | 77 | 1189 | active |
| custom-components/pyscript Pyscript is a Home Assistant custom integration (installable via HACS) that lets you write automations and logic as Python functions, with … | 90 | 1188 | active |
| UiPath/CoreWF CoreWF is a port of Microsoft's Windows Workflow Foundation (WF) runtime to .NET 6, allowing multi-step workflows composed of activities to… | 72 | 1179 | active |
| AliveToolkit/alive2 Alive2 is a set of C++ libraries and tools for automatically verifying LLVM code and optimization transformations using symbolic execution … | 70 | 1179 | active |
| pmgl/microstudio microStudio is a free, open source game engine that runs in the browser, usable as an online service, offline standalone app, or self-hoste… | 60 | 1179 | active |
| patriksimek/vm2 vm2 is a Node.js library that provides an in-process sandbox for running untrusted JavaScript code with whitelisted access to built-in modu… | 95 | 4102 | maintenance |
| 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 … | 32 | 4092 | maintenance |
| souffle-lang/souffle Soufflé is a Datalog variant language for expressing static analyses in Horn clauses, with records, strong typing, aggregation, and compone… | 61 | 1175 | active |
| cloudflare/wirefilter A Rust library implementing an execution engine for Wireshark-like filter expressions, including parsing, compilation, and fast evaluation.… | 76 | 1165 | active |
| betaveros/noulith Noulith is a scripting programming language implemented in Rust, designed for quick-and-dirty scripts with heavy syntax sugar such as every… | 57 | 1165 | active |
| Provable snarkVM is a zero-knowledge virtual machine (zkVM) for Decentralized Private Computations, the core execution engine of the Aleo blockchain… | 95 | 1164 | active |
| hazelgrove/hazel Hazel is a web-based live functional programming environment for an Elm/ML-like language built around typed holes, allowing typechecking, e… | 68 | 1162 | active |
| ncalc/ncalc NCalc is a fast, lightweight expression evaluator library for .NET that parses and evaluates mathematical and logical expressions at runtim… | 96 | 1159 | active |
| 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… | 79 | 1155 | active |
| gopherdata/gophernotes Gophernotes is a Go kernel for Jupyter notebooks and nteract that lets you write and evaluate Go code interactively in a browser-based note… | 86 | 3966 | maintenance |