One (onelang) is an open-source system programming language that makes it easy to build reliable, efficient and performant software. (release as soon) 1️⃣ 🕐 🩱

• UpdatedNov 29, 2025
• C

A fast, concurrent string interner

• UpdatedAug 19, 2024
• Rust

A type-safe C successor that compiles directly to various platforms.

• UpdatedMay 2, 2025
• Python

Sacalon is a general purpose and open source programming language designed to build optimal, maintainable, reliable and efficient software.

• UpdatedNov 27, 2025
• Python

Register Allocator for 8086

• UpdatedAug 20, 2023
• Assembly

High-performance compiler backend for Lamina Intermediate Representation

• UpdatedNov 28, 2025
• Rust

KTU 7th Semester Compiler Design lab programs along with algorithms

• UpdatedDec 27, 2022
• C

Tiny optimizing JIT compiler backend.

• UpdatedJan 23, 2025
• C++

The carbon intermediate representation language

• UpdatedDec 23, 2020
• C++

SCBE is a compiler back-end library written from scratch

• UpdatedNov 27, 2025
• C++

Malfunction backend for Idris with a FFI to OCaml

• UpdatedAug 22, 2019
• TeX

Idris, make back end, in 15 minutes, reusable, concise:https://bitbucket.org/thautwarm/ppl2020-idris-codegen-backend/src/master

• UpdatedJun 2, 2020
• TeX

• UpdatedSep 7, 2025
• Kotlin

Optimizing Compiler Backend

• UpdatedMay 27, 2025
• C

Small optimizing compiler backend with an SSA-based IR.

• UpdatedMar 26, 2022
• C++

A modular compiler framework for Brainfuck-like languages

• UpdatedDec 4, 2024
• C

Lightweight SSA compiler suite

• UpdatedSep 27, 2024
• C++

A new generic object oriented programming language.

• UpdatedAug 3, 2025
• Python

A very early stage compiler backend for dynamic recompilation

• UpdatedFeb 5, 2020
• Rust

Experimental x86-64 compiler backend

• UpdatedDec 4, 2024
• C