Immutable Ordered Key-Value Database Engine

• UpdatedMar 21, 2020
• Rust

A statically typed concatenative systems programming language.

• UpdatedApr 10, 2023
• Haskell

A Bestiary of Single-File Implementations of Programming Languages

• UpdatedApr 1, 2024

Portable Forth in C

• UpdatedFeb 15, 2025
• C

A simple virtual game console

• UpdatedDec 29, 2020
• Forth

Small but complete dynamic Forth Interpreter/Compiler for and in WebAssembly

• UpdatedFeb 19, 2025
• WebAssembly

Self-hosting metacompiled Forth, bootstrapping from a few lines of C; targets Linux, Windows, ARM, RISC-V, 68000, PDP-11, asm.js.

• UpdatedFeb 13, 2023
• Forth

Forth inspired programming language for the ESP8266

• UpdatedOct 11, 2023
• Forth

A server-side web framework written in Forth.

• UpdatedJan 26, 2024
• Forth

zForth: tiny, embeddable, flexible, compact Forth scripting language for embedded systems

• UpdatedMar 1, 2025
• C

First published Open Source implementation of OpenFirmware

• UpdatedSep 22, 2024
• C

A Forth CPU and System on a Chip, based on the J1, written in VHDL

• UpdatedMar 19, 2024
• VHDL

STM8 eForth - a user friendly Forth for simple µCs with docs

• UpdatedAug 5, 2023
• Assembly

Swapforth is a cross-platform ANS Forth

• UpdatedDec 26, 2023
• Forth

A human readable quasi-concatenative programming language

• UpdatedFeb 4, 2025
• C

Modern C64 Forth

• UpdatedDec 27, 2024
• Forth

An assembler and operating system for the TI-84+ written in Scheme, Forth and Z80 assembly.

• UpdatedApr 21, 2024
• Scheme

A not-so-small Forth for Cortex-M

• UpdatedMar 18, 2025
• Forth

libforth: A small Forth interpreter that can be used as a library written in c99

• UpdatedFeb 18, 2021
• C

The Kestrel is a family of home-made computers, built as much as possible on open-source technology, and supporting as much as possible the open-source philosophy.

• UpdatedFeb 9, 2021
• Assembly