The lean application framework for Python. Build sophisticated user interfaces with a simple Python API. Run your apps in the terminal and a web browser.

🌲 super fast, all natural json logger

Embodied AI Operating System (EAIOS)

Fast Rust library for PDF inspection, classification, and text extraction. Intelligently detects scanned vs text-based PDFs to enable smart routing decisions.

OpenZFS on Linux and FreeBSD

AI observability platform for production LLM and agent systems.

A beginner-friendly Raft framework built on openraft: implement two traits, get a fault-tolerant replicated cluster.

The open-source reactive database for app developers

Checkpoint/Restore tool

AgentENV (AENV) is a distributed platform for running agent environments at scale.

Zero-copy, content-addressed Rust build cache for Rust, C/C++ and more. No copies, no wasted disk — just hardlinks locally and S3 for sharing.

Lock-free adaptive radix tree [OSDI '26]

Fast and easy to use database for traces, which can efficiently handle terabytes of trace spans.

Get your data in RAM. Get compute close to data. Enjoy the performance.

iWF is a Workflow-As-Code microservice orchestration platform offering an orchestration coding framework and service for building resilient, fault-tolerant, scalable long-running processes

MessagePack is an extremely efficient object serialization library. It's like JSON, but very fast and small.

Fluentd: Unified Logging Layer (project under CNCF)

Heterogeneous GPU Sharing on Kubernetes

The Little Book of Reinforcement Learning

Free & Open-Source Invoice Generator - No Sign-Up, No Ads, Instant PDF Export, 100% In-Browser, and Fully Customizable Templates. ⭐ Star the repo if you like it

Fast and Lightweight Logs, Metrics and Traces processor for Linux, BSD, OSX and Windows

Translate manga/image 一键翻译各类图片内文字 https://cotrans.touhou.ai/ (no longer working)

Domain-specific language designed to streamline the development of high-performance GPU/CPU/Accelerators kernels

DeepSpec: a full-stack codebase for training and evaluating speculative decoding algorithms

Kubernetes-native Job Queueing

Export Lean theorems to a relational representation and query them using Datalog

[MLsys2026]: RAG on Everything with LEANN. Enjoy 97% storage savings while running a fast, accurate, and 100% private RAG application on your personal device.

Tokenization and analysis pipeline for full-text search

Open source observability platform for logs, metrics, traces, frontend monitoring, pipelines and LLM observability. A sophisticated, simple and highly performant alternative to Datadog, Splunk, and…

Maka — local-first AI desktop assistant