---
key: pl/factor
kind: plang
name: "Factor"
url: https://plangs.page/factor
---

# Factor

> Stack-oriented programming language with dynamic types, extensible syntax, and a self-hosted optimizing compiler.

Stack-oriented programming language created by Slava Pestov. It features dynamic types, extensible syntax, macros, and garbage collection. The language supports a large standard library with cross-platform capabilities, providing a self-hosted optimizing compiler and an interactive development environment.

## Facts

- Appeared: 2003
- Homepage: https://factorcode.org
- GitHub: https://github.com/factor/factor
- Languish ranking: #334

## Relationships

### Paradigms

- [Concatenative](https://plangs.page/paradigm/concatenative)
- [Functional](https://plangs.page/paradigm/functional)
- [General-Purpose](https://plangs.page/paradigm/general-purpose)
- [Multi](https://plangs.page/paradigm/multi)
- [Object-Oriented](https://plangs.page/paradigm/oop)
- [Stack-Oriented](https://plangs.page/paradigm/stack-oriented)

### Platforms

- [Apple](https://plangs.page/platform/apple)
- [Linux](https://plangs.page/platform/linux)
- [Windows](https://plangs.page/platform/windows)
- [x86-64](https://plangs.page/platform/x86-64)

### Type Systems

- [Dynamic](https://plangs.page/type-system/dynamic)
- [Strong](https://plangs.page/type-system/strong)

### Influenced By

- [Forth](https://plangs.page/forth)
- [Lisp](https://plangs.page/lisp)
- [Self](https://plangs.page/self)

### Influenced

- [Rye](https://plangs.page/rye)

### Licenses

- [BSD](https://plangs.page/license/bsd)

### Tags

- [Compiler](https://plangs.page/tag/compiler)
- [Interpreter](https://plangs.page/tag/interpreters)
- [Scripting](https://plangs.page/tag/scripting)