Open-source compiler software

1008 open-source libraries, tools and applications tagged compiler, ranked by how closely compiler 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.

1008 products, primary matches first, then adoption-weighted; health v2 shown.

Product	Health v2	Stars	Maturity
VoltaML/voltaML VoltaML is a lightweight Python library that compiles and optimizes machine learning and deep learning models for high-performance inferenc…	32	1177	maintenance
WeaveMindAI/weft Weft is a programming language (currently a POC) where LLMs, humans, APIs, and infrastructure are first-class primitives for building AI or…	67	1989	experimental
kaansenol5/VibeOS VibeOS is a hobby operating system written from scratch in C for ARM64 (aarch64), built collaboratively with Claude Code over 64 sessions. …	42	1537	experimental
hughperkins/VeriGPU VeriGPU is an open-source GPU written in SystemVerilog, loosely based on the RISC-V ISA and targeting eventual ASIC tape-out for machine le…	32	1395	experimental
a16z/jolt Jolt is a zero-knowledge virtual machine (zkVM) for RISC-V (RV64IMAC) that generates cryptographic proofs of arbitrary program execution, b…	78	1056	experimental
alpa-projects/alpa Alpa is a Python system for training and serving large-scale neural networks by automatically parallelizing single-device code across distr…	10	3176	abandoned
oxfeeefeee/goscript Goscript is an alternative implementation of the Go language specification written in Rust, designed as an embeddable scripting language fo…	56	1544	abandoned
remoteinterview/compilebox CompileBox is a Docker-based sandbox service that compiles and runs user-submitted code in isolated containers and returns the output via a…	32	1108	abandoned