wren-lang/wren

Health v2 · maintenance only

Adoption not part of the score

8122 stars · 628 forks observed · 2026-08-28

What it is AI-extracted, prompt v1, taxonomy v1, 2026-08-29, confidence not recorded

Wren is a small, fast, class-based concurrent scripting language implemented as an embeddable C library with a bytecode VM and lightweight fibers. It is designed to be embedded in host applications via an easy-to-use C API with no dependencies beyond the C standard library.

Use cases

• embed a scripting language in a C or C++ application
• add a fast lightweight scripting VM to a game engine
• scripting language with class-based OOP and coroutines
• small dependency-free interpreter to compile into my app
• learn how a bytecode VM and compiler are implemented
• run Wren scripts from the command line

When to choose

• you need a tiny, fast, embeddable scripting language with a clean C API
• you want class-based objects and fiber-based concurrency in a Lua-sized package
• you want readable, well-commented VM source you can study or vendor directly

When to avoid

• you need a large standard library or rich ecosystem of third-party packages
• you want a standalone general-purpose language with batteries included
• you need guaranteed long-term maintenance, as development activity is modest

Facets

library · maturity stable

programming-language interpreter compiler concurrency programming-languages developer-tools embedded-systems c cpp cross-platform embedded scripting-language bytecode-vm fibers embeddable class-based coroutines small-language scripting

Member repositories

For agents

markdown · JSON · MCP: product_card(name="wren-lang/wren")