Solve puzzles. Learn CUDA.

bpftop provides a dynamic real-time view of running eBPF programs. It displays the average runtime, events per second, and estimated total CPU % for each program.

eBPF-based Security Observability and Runtime Enforcement

Rust reflection, serialization, deserialization, pretty printing, etc. — the last proc macro you should need

An intuitive and low-overhead instrumentation tool for Python

OBS Studio - Free and open source software for live streaming and screen recording

Master Python typing (type hints) with interactive online exercises!

Message passing based allocator

A tracing library 10~100x faster than others.

A library for calling C functions from Go without Cgo

Xv6 for RISC-V

A signature-based search engine

GitHub Action to extract metadata (tags, labels) from Git reference and GitHub events for Docker

Environment control for benchmarks

Making it easy to write shell-like scripts in Go

Self-hosted game stream host for Moonlight.

GameStream client for PCs (Windows, Mac, Linux, and Steam Link)

Powerful system-level package manager for Linux, macOS and Windows written in Rust – building on top of the Conda ecosystem.

Python bindings to PDFium, reasonably cross-platform.

🧠 Cognitive load is what matters

Bindings for RDMA ibverbs through rdma-core

A modern replacement for Redis and Memcached

Better structured concurrency for go

Trio – a friendly Python library for async concurrency and I/O

Static checker for GitHub Actions workflow files

Writing a sqlite clone from scratch in C

「漢字標準格式」印刷品般的漢字排版框架 Han.css: the CSS typography framework optimised for Hanzi.

nsync is a C library that exports various synchronization primitives, such as mutexes

Linear algebra foundation for the Rust programming language