Eric Zhang

pyptx. A Python DSL to write Nvidia PTX for Hopper and Blackwell in JAX and PyTorch

patterncollider. A web interactive for generating and exploring quasiperiodic tiling patterns

mathjs. An extensive math library for JavaScript and Node.js

slime. slime is an LLM post-training framework for RL Scaling.

SpecForge. Train speculative decoding models effortlessly and port them smoothly to SGLang serving.

flashinfer. FlashInfer: Kernel Library for LLM Serving

Cells2Pixels. Jupyter Notebook

cudarc. Safe rust wrapper around CUDA toolkit

zig-book. An open, technical and introductory book for the Zig programming language 📚📖

lc0. Open source neural network chess engine with GPU acceleration and broad hardware support.

connect-rust. An implementation of the ConnectRPC protocol for Rust

jj. A Git-compatible VCS that is both simple and powerful

bongo.cat. Hit the bongos like Bongo Cat!

libkrun. A dynamic library providing Virtualization-based process isolation capabilities

smolvm. Portable, lightweight, self-contained virtual machines.

InferenceX. Open Source Continuous Inference Benchmark Research Platform — Kimi K2.7-Code, MiniMax M3, DeepSeekv4, GLM5 - GB200 NVL72 vs MI355X vs B200 vs GB300 NVL72 & soon™ TPUv6e/v7/Trainium2/3 | 开源持续推理基准研究平台 — Kimi K2.7-Code、MiniMax M3、DeepSeekv4、GLM5 - GB200 NVL72 vs MI355X vs B200 vs GB300 NVL72，即将推出™ TPUv6e/v7/Trainium2/3

tensor-layouts. A pure-Python implementation of the Nvidia CuTe layout algebra intended to be approachable and easy to learn.

IPL-V. Common Lisp

autoresearch-webgpu. Let AI agents run research experiments + train small language models (in your browser!)

OpenClaw-RL. OpenClaw-RL: Train any agent simply by talking

TypeGPU. A modular and open-ended toolkit for WebGPU, with advanced type inference and the ability to write shaders in TypeScript

vite-plus. Vite+ is the unified toolchain and entry point for web development. It manages your runtime, package manager, and frontend toolchain in one place.

chaos-mesh. A Chaos Engineering Platform for Kubernetes.

smg. Engine-agnostic LLM gateway in Rust. Full OpenAI & Anthropic API compatibility across vLLM, TRT-LLM, TokenSpeed, SGLang, OpenAI, Gemini & more. Industry-first gRPC pipeline, KV cache-aware routing, chat history, tokenization caching, Responses API, embeddings, WASM plugins, MCP, and multi-tenant auth.

future-of-programming-class. Harvard CS2520R Fall 2026

loom. Concurrency permutation testing tool for Rust.

zerobrew. A 5-20x faster experimental Homebrew alternative

VibeOS. A completely vibecoded operating system targeting Aarch64

x-algorithm. Algorithm powering the For You feed on X

webgpu-instanced-lines. GPU-accelerated line rendering for WebGPU with joins and caps

Diffusion-Explorer. Interactive visualizations of the geometric intuition behind diffusion models.

fastrender. Experimental new browser engine

agentfs. The filesystem for agents.

cloud-hypervisor. A Virtual Machine Monitor for modern Cloud workloads. Features include CPU, memory and device hotplug, support for running Windows and Linux guests, device offload with vhost-user and a minimal compact footprint. Written in Rust with a strong focus on security.

sonic-moe. Accelerating MoE with IO and Tile-aware Optimizations

triton. Development repository for the Triton language and compiler

DeepGEMM. DeepGEMM: clean and efficient BLAS kernel library on GPU

mlx. MLX: An array framework for Apple silicon

seL4. The seL4 microkernel

sam3. The repository provides code for running inference and finetuning with the Meta Segment Anything Model 3 (SAM 3), links for downloading the trained model checkpoints, and example notebooks that show how to use the model.

nanochat. The best ChatGPT that $100 can buy.

triton. Github mirror of trition-lang/triton repo.

vite-plugin-lucide-preprocess. A Vite plugin to tree-shake your Lucide icons

miles. Miles is an enterprise-facing reinforcement learning framework for LLM and VLM post-training, forked from and co-evolving with slime.

ast-grep. ⚡A CLI tool for code structural search, lint and rewriting. Written in Rust

axum-connect. Axum + Connect-Web = ♥️

obamify. revolutionary new technology that turns any image into obama

motor-os. A simple, fast, and secure operating system for the cloud.

tunix. A Lightweight LLM Post-Training Library

tiktoken. tiktoken is a fast BPE tokeniser for use with OpenAI's models.

tch-rs. Rust bindings for the C++ api of PyTorch.

cartographer. Cartographer is a system that provides real-time simultaneous localization and mapping (SLAM) in 2D and 3D across multiple platforms and sensor configurations.

speedscope. 🔬 A fast, interactive web-based viewer for performance profiles.

components.build. An open-source standard for building modern, composable and accessible UI components.

qq. jq, but with many interoperable configuration format transcodings and interactive querying.

ml-mobileclip. This repository contains the official implementation of the research papers, "MobileCLIP" CVPR 2024 and "MobileCLIP2" TMLR August 2025

hypervisor-in-1000-lines. Writing a hypervisor in 1,000 lines.

batch_invariant_ops. Python

tiny-llm. A course of learning LLM inference serving on Apple Silicon for systems engineers: build a tiny vLLM + Qwen.

CoreNN. Embeddable library or single binary for indexing and searching 1B vectors

open_clip. An open source implementation of CLIP.

rstrace. A Rust implementation of strace.

horizon. The current sky at your approximate location, rendered as a CSS gradient

Simple. A Simple showcase for the Sea-of-Nodes compiler IR

notebook-kit. A command-line tool for building static sites from Observable Notebooks

local-attention. An implementation of local windowed attention for language modeling

nano-vllm. Nano vLLM

tinyio. Ever used asyncio and wished you hadn't? A tiny (~400 lines) event loop for Python.

layerchart. Composable Svelte chart components to build a large variety of visualizations

Cirron. Cirron measures performance counters (instructions executed, etc.) and traces system calls a piece of Python or Ruby code executes.

boulder. An ACME-based certificate authority, written in Go.

opt_einsum. ⚡️Optimizing einsum functions in NumPy, Tensorflow, Dask, and more with contraction order optimization.

flux. Official inference repo for FLUX.1 models

tsdown. The elegant bundler for libraries powered by Rolldown

beat_this. Accurate and general beat tracker

rectified-flow. code based for rectified flow

viztracer. A debugging and profiling tool that can trace and visualize python code execution

Difix3D. [CVPR 2025 Oral & Best Paper Finalist] Difix3D+: Improving 3D Reconstructions with Single-Step Diffusion Models

liquid-glass. Copy-paste Liquid Glass shader with SVG

typedoc. Documentation generator for TypeScript projects.

rolldown-vite. The WIP version of Vite powered by Rolldown

marimo. A reactive notebook for Python — run reproducible experiments, query with SQL, execute as a script, deploy as an app, and version with git. Stored as pure Python. All in a modern, AI-native editor.

j1-micro. j1-micro (1.7B) & j1-nano (600M) are absurdly tiny but mighty reward models.

mlop. Next Generation Experimental Tracking for Machine Learning Operations

WSL. Windows Subsystem for Linux

edit. We all edit.

wuffs. Wrangling Untrusted File Formats Safely

codemirror-languageserver. Language Server integration for CodeMirror 6

flow. Realtime MLS-MPM particle system, running in the browser using the three.js WebGPURenderer.

rocq. The Rocq Prover is an interactive theorem prover, or proof assistant. It provides a formal language to write mathematical definitions, executable algorithms and theorems together with an environment for semi-interactive development of machine-checked proofs.

clay. High performance UI layout library in C.

dangerzone. Take potentially dangerous PDFs, office documents, or images and convert them to safe PDFs

expl0ring_V8. A study of V8 internals.

qr-quiz. TypeScript

napi-rs. A framework for building compiled Node.js add-ons in Rust via Node-API

flume. A safe and fast multi-producer, multi-consumer channel.

ts-c-compiler. ⚙️ C99-compatible multipass compiler written in TypeScript with GCC extensions support. Features a handcrafted left-recursive parser, custom IR, SSA-based optimizer, and a full frontend/backend pipeline. Compiles to x86 machine code with integrated assembler and emulator.

spectacle. Interactive playground for exploring and sharing TLA+ specifications in the browser.

wasm-ops. Chart of WebAssembly Instructions

wasmblr. C++ WebAssembly assembler in a single header file

n8ao. An efficient and visually pleasing implementation of SSAO with an emphasis on temporal stability and artist control.

dynamo. A Datacenter Scale Distributed Inference Serving Framework

floating-ui. A JavaScript library to position floating elements and create interactions for them.

motion-primitives. UI kit to make beautiful, animated interfaces, faster. Customizable. Open Source.

html5bytebeat. Bytebeats in HTML5

jsgist. A 99.9999% client side code playground that stores data as github gists

svelte-sonner. An opinionated toast component for Svelte. A port of @emilkowalski's sonner.

lightningcss. An extremely fast CSS parser, transformer, bundler, and minifier written in Rust.

typescript-types-only-wasm-runtime. A WebAssembly runtime implemented in TypeScript types

rolldown. Fast Rust bundler for JavaScript/TypeScript with Rollup-compatible API.

cereal. A C++11 library for serialization

node-http2-proxy. A simple http/2 & http/1.1 to http/1.1 spec compliant proxy helper for Node.

deadpool. Dead simple pool implementation for rust with async-await

tinygrad. You like pytorch? You like micrograd? You love tinygrad! ❤️

linuxpdf. Linux running inside a PDF file via a RISC-V emulator

scaling-book. Home for "How To Scale Your Model", a short blog-style textbook about scaling LLMs on TPUs

tfjs. A WebGL accelerated JavaScript library for training and deploying ML models.

proposal-explicit-resource-management. ECMAScript Explicit Resource Management

codegen. Python wrapper for the Codegen API - run code agents at scale

dlt. data load tool (dlt) is an open source Python library that makes data loading easy 🛠️

medium-zoom. 🔎🖼 A JavaScript library for zooming images like Medium

Cormorant. Cormorant open-source display font family

wouter. 🥢 A minimalist-friendly ~2.2KB routing for React and Preact

jaxtyping. Type annotations and runtime checking for shape and dtype of JAX/NumPy/PyTorch/etc. arrays. https://docs.kidger.site/jaxtyping/

handwriting-synthesis. Handwriting Synthesis with RNNs ✏️

ghostty. 👻 Ghostty is a fast, feature-rich, and cross-platform terminal emulator that uses platform-native UI and GPU acceleration.

loro. Make your JSON data collaborative and version-controlled with CRDTs

biscuit. delegated, decentralized, capabilities based authorization token

rustversion. Conditional compilation according to rustc compiler version

castlefall. a party word game with hidden teams for ~six to ten people

ssgl. single source shaders for opengl

deno. A modern runtime for JavaScript and TypeScript.

VVVVVV. The game VVVVVV ported to the Zig build system.

rvpn. Identity based VPNs made easy

hyperlight. Hyperlight is a lightweight Virtual Machine Manager (VMM) designed to be embedded within applications. It enables safe execution of untrusted code within micro virtual machines with very low latency and minimal overhead.

urunc. a simple container runtime that aspires to become `runc` for unikernels

vprox. High-availability network proxy / VPN server, powered by WireGuard

ttyd. Share your terminal over the web

PIGEON. Code for the CVPR 2024 paper highlight and demo "PIGEON: Predicting Image Geolocations".

melt-ui. A set of headless, accessible component builders for Svelte.

crosstool-ng. A versatile (cross-)toolchain generator.

d3-dag. Layout algorithms for visualizing directed acyclic graphs

ctop. Top-like interface for container metrics

spdlog. Fast C++ logging library.

git-absorb. git commit --fixup, but automatic

toolkit. JavaScript

v8serialize. Read & write JavaScript values from Python with the V8 serialization format.

prql. PRQL is a modern language for transforming data — a simple, powerful, pipelined SQL replacement

commit-mono. Commit Mono is an anonymous and neutral programming typeface.

cargo-xwin. Cross compile Cargo project to Windows MSVC target with ease

openmoonray. MoonRay is an open-source, award-winning, state-of-the-art production path tracing renderer, initially developed at DreamWorks and an active member project of the Academy Software Foundation.

porffor. An ahead-of-time JavaScript compiler

jiff. A datetime library for Rust that encourages you to jump into the pit of success.

k9s. 🐶 Kubernetes CLI To Manage Your Clusters In Style!

type-challenges. Collection of TypeScript type challenges with online judge

tldraw. Build infinite canvas apps in React with the tldraw SDK. World's best, top-most agent recommended #1 five star SDK.

polling. Portable interface to epoll, kqueue, event ports, and wepoll

awesome-modal. A curated list of amazingly awesome Modal applications, demos, and shiny things. Inspired by awesome-php.

wgctrl-go. Package wgctrl enables control of WireGuard interfaces on multiple platforms.

ply. Dynamic Tracing in Linux

kuzu. Embedded property graph database built for speed. Vector search and full-text search built in. Implements Cypher.

bcc. BCC - Tools for BPF-based Linux IO analysis, networking, monitoring, and more

zbpf. Writing eBPF in Zig

xdp-tutorial. XDP tutorial

isolate. Sandbox for securely executing untrusted programs

wasmi. Efficient and versatile WebAssembly interpreter for embedded systems.

zig-js. Access the JS host environment from Zig compiled to WebAssembly.

cycles. The Cycles Render Engine - official mirror

faster-hex. fast hex

mbtaviz.github.io. Visualizing MBTA Data

offset-allocator. A port of Sebastian Aaltonen's `OffsetAllocator` to Rust

async-channel. Async multi-producer multi-consumer channel

d3. Bring data to life with SVG, Canvas and HTML. :bar_chart::chart_with_upwards_trend::tada:

inkdrop-visualizer. Visualizes your Terraform

libxev. libxev is a cross-platform, high-performance event loop that provides abstractions for non-blocking IO, timers, events, and more and works on Linux (io_uring or epoll), macOS (kqueue), and Wasm + WASI. Available as both a Zig and C API.

magicast. 🧀 Programmatically modify JavaScript and TypeScript source codes with a simplified, elegant and familiar syntax powered by recast and babel.

nfs-ganesha. NFS-Ganesha is an NFSv3,v4,v4.1 fileserver that runs in user mode on most UNIX/Linux systems

nextest. A next-generation test runner for Rust.

valkey. A flexible distributed key-value database that is optimized for caching and other realtime workloads.

lkmpg. The Linux Kernel Module Programming Guide (updated for 5.0+ kernels)

mini-container. Rust

cve-rs. Blazingly 🔥 fast 🚀 memory vulnerabilities, written in 100% safe Rust. 🦀

framework. A static site generator for data apps, dashboards, reports, and more. Observable Framework combines JavaScript on the front-end for interactive graphics with any language on the back-end for data analysis.

uv. An extremely fast Python package and project manager, written in Rust.

mountpoint-s3. A simple, high-throughput file client for mounting an Amazon S3 bucket as a local file system.

window-vibrancy. Make your windows vibrant.

nfsserve. A Rust NFS Server implementation

foundations. Cloudflare's Rust service foundations library.

zed. Code at the speed of thought – Zed is a high-performance, multiplayer code editor from the creators of Atom and Tree-sitter.

a-single-div. 🎨 CSS drawings with only one HTML element.

raptorq. Rust implementation of RaptorQ (RFC6330)

lygia. LYGIA, it's a granular and multi-language (GLSL, HLSL, Metal, WGSL, WEGL and CUDA) shader library designed for performance and flexibility

aws-sdk-rust. AWS SDK for the Rust Programming Language

qi. Lightweight and fast programming language designed to be written in Chinese.

ssh3. SSH3: faster and rich secure shell using HTTP/3, checkout our article here: https://arxiv.org/abs/2312.08396 and our Internet-Draft: https://datatracker.ietf.org/doc/draft-michel-ssh3/

jasm. A JVM assembler for the modern age

awaitgroup. Wait for a collection of async tasks to finish.

flix. The Flix Programming Language

probase. An online math contest platform

PuzzleScript. Open Source HTML5 Puzzle Game Engine