Daniel Keywan Hollister

cachebox. The fastest memoizing and caching Python library written in Rust.

improve. Use your most capable model to audit your codebase and write plans for cheaper models to execute.

liquibase. Main Liquibase Source

fakeredis-py. Implementation of Redis API in python without having a server running. Fully compatible with using redis-py.

toxiproxy. :alarm_clock: :fire: A TCP proxy to simulate network and system conditions for chaos and resiliency testing

rbloom. A fast, simple and lightweight Bloom filter library for Python, implemented in Rust.

jiti. Runtime TypeScript and ESM support for Node.js

bun. Incredibly fast JavaScript runtime, bundler, test runner, and package manager – all in one

zerolang. The Programming Language for Agents

poethepoet. A task runner that works well with poetry or uv.

aiofastnet. Ultra-fast networking with Kernel TLS support for asyncio and Python

mise. dev tools, env vars, task runner

VibeVoice. Open-Source Frontier Voice AI

localsend. An open-source cross-platform alternative to AirDrop

glslViewer. Console-based GLSL Sandbox for 2D/3D shaders

v10. [Beta] Video.js v10 - open source media player framework for Web and React.

pretext. Fast, accurate & comprehensive text measurement & layout

ten-turn-detection. Turn detection for full-duplex dialogue communication

ten-vad. Voice Activity Detector (VAD) : low-latency, high-performance and lightweight

ten-framework. Open-source framework for conversational voice AI agents

CLI-Anything. "CLI-Anything: Making ALL Software Agent-Native" -- CLI-Hub: https://clianything.cc/

electrobun. Build ultra fast, tiny, and cross-platform desktop apps with Typescript.

zqlz. the DATABASE Editor. https://discord.gg/cEe8v2Y7PJ

agent-framework. A framework for building, orchestrating and deploying AI agents and multi-agent workflows with support for Python and .NET.

BetterCapture. The macOS screen recorder for the rest of us - always free and open source with a native look and feel 📺

SpacetimeDB. Development at the speed of light

table. Formats data into a string table.

Scrapling. 🕷️ An adaptive Web Scraping framework that handles everything from a single request to a full-scale crawl!

authelia. The Single Sign-On Multi-Factor portal for web apps, now OpenID Certified™

sktime. A unified framework for machine learning with time series

simdjson. Parsing gigabytes of JSON per second : used by Facebook/Meta Velox, the Node.js runtime, ClickHouse, WatermelonDB, Apache Doris, Milvus, StarRocks

nats-server. High-Performance server for NATS.io, the cloud and edge native messaging system.

rembg. Rembg is a tool to remove images background

peon-ping. Warcraft III Peon voice notifications (+ more!) for Claude Code, Codex, IDEs, and any AI agent. Stop babysitting your terminal. Employ a Peon today.

wgpu. A cross-platform, safe, pure-Rust graphics API.

lumina-video. Zero-copy hardware-accelerated video SDK for Rust (Android, iOS, Linux, macOS, Web, Windows)

configlette. Type-safe configuration from environment variables and .env files, inspired by Starlette

duckdb_engine. SQLAlchemy driver for DuckDB

ty. An extremely fast Python type checker and language server, written in Rust.

picows. Ultra-fast websocket client and server for asyncio

loglayer. A modern logging library for Javascript / Typescript that routes logs to various logging libraries, cloud providers, files, StatsD, and OpenTelemetry while providing a fluent API for specifying log messages, metadata and errors.

gastown. Gas Town - multi-agent workspace manager

chrome-devtools-mcp. Chrome DevTools for coding agents

toad. A unified interface for AI in your terminal.

crystal-pg. a postgres driver for crystal

effect. Build production-ready applications in TypeScript

InversifyJS. Powerful and lightweight inversion of control container. Moved to https://github.com/inversify/monorepo

injector. Python dependency injection framework, inspired by Guice

cocoon. cocoon

std-env. Runtime Agnostic Env Info

textual-serve. Serve Textual apps locally

advanced-alchemy. A carefully crafted, thoroughly tested, optimized companion library for SQLAlchemy

otp. 📫 Fault tolerant multicore programs with actors

zellij. A terminal workspace with batteries included

gleam. ⭐️ A friendly language for building type-safe, scalable systems!

banrays. Glasses to detect smart-glasses that have cameras. Ray-BANNED

fara. Fara-7B: An Efficient Agentic Model for Computer Use

sandbox-runtime. A lightweight sandboxing tool for enforcing filesystem and network restrictions on arbitrary processes at the OS level, without requiring a container.

joserfc. Implementations of JOSE RFCs in Python

typeid. Type-safe, K-sortable, globally unique identifier inspired by Stripe IDs

Electron-SDK. Electron wrapper around the Agora RTC SDKs for Windows/macOS

electric. The agent platform built on sync.

parqeye. Peek inside Parquet files right from your terminal

tsdown. The elegant bundler for libraries powered by Rolldown

motion. A modern animation library for React and JavaScript

SplitType. Javascript utility that splits text into lines, words, characters for animation

sds. Simple Design System (SDS) is a base design system that shows how Figma’s Variables, Styles, Components, and Code Connect can be used alongside a React codebase to form a complete picture of a responsive web design system.

obs-vertical-canvas. C++

code-connect. A tool for connecting your design system components in code with your design system in Figma

dozzle. Realtime log viewer for containers. Supports Docker, Swarm and K8s.

magika. Fast and accurate AI powered file content types detection

blobd. Blob storage designed for huge amounts of random reads and small objects with constant latency

strix. Open-source AI penetration testing tool to find and fix your app’s vulnerabilities.

plugin-typings. Typings for the Figma Plugin API

cr-sqlite. Convergent, Replicated SQLite. Multi-writer and CRDT support for SQLite

absurd. An experiment in durability

Robyn. Robyn is a Super Fast Async Python Web Framework with a Rust runtime.

livebook. Automate code & data workflows with interactive Elixir notebooks

trufflehog. Find, verify, and analyze leaked credentials

giget. ✨ Download templates and git repositories with pleasure!

terminaltexteffects. TerminalTextEffects (TTE) is a terminal visual effects engine, application, and Python library.

sync. Synchronization primitives for safe concurrent and parallel Crystal code.

serena. A powerful MCP toolkit for coding, providing semantic retrieval and editing capabilities - the IDE for your agent

tinypool. 🧵 A minimal and tiny Node.js Worker Thread Pool implementation (38KB)

doris. Apache Doris is a real-time analytics and hybrid search database for AI agents.

wreq-python. An ergonomic, censorship-resistant Python HTTP Client

arcjet-js. Arcjet JavaScript (JS) / TypeScript SDK. Stop bots and automated attacks from burning your AI budget, leaking data, or misusing tools with Arcjet's AI security building blocks.

tslog. 📝 tslog - Universal Logger for TypeScript and JavaScript

awesome-safety-tools. Directory of open source tools for online safety

osprey. Automate the obvious and investigate the ambiguous. High-performance safety rules engine for real-time event processing at scale.

container. A tool for creating and running Linux containers using lightweight virtual machines on a Mac. It is written in Swift, and optimized for Apple silicon.

msw. Industry standard API mocking for JavaScript.

signoz. SigNoz is an open-source observability platform native to OpenTelemetry with logs, traces and metrics in a single application. An open-source alternative to DataDog, NewRelic, etc. 🔥 🖥. 👉 Open source Application Performance Monitoring (APM) & Observability tool

anyascii. Unicode to ASCII transliteration - C Elixir Go Java JS Julia PHP Python Ruby Rust Shell .NET

mediabunny. Pure TypeScript media toolkit for reading, writing, and converting video and audio files, directly in the browser.

awesome-grpc. A curated list of useful resources for gRPC

valkey-py. Valkey Python client based on a fork of redis-py

awesome-iroh. Curated list of awesome stuff built on & with iroh

libde265. Open h.265 video codec implementation.

homebrew-ffmpeg. A homebrew tap for an ffmpeg formula with lots of options

static-ffmpeg. Multi-arch docker image with ffmpeg/ffprobe binaries built as hardened static PIE binaries with no external dependencies

FastDepends. FastDepends - FastAPI Dependency Injection system extracted from FastAPI and cleared of all HTTP logic. Async and sync modes are both supported.

plugin-camerakit. :camera: Enjoyable camera flavored controls for Tweakpane

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

pygfx. Powerful and versatile visualization for Python.

magicgui. build GUIs from type annotations

pycrdt. CRDTs based on Yrs.

javascript. Universally Unique Lexicographically Sortable Identifier

jpterm. Jupyter in the terminal.

hiqlite. Hiqlite - highly-available, embeddable, raft-based SQLite + cache

web-transport. Rust WebTransport library for native and WASM

drafts. A live media transport utilizing QUIC

python-betterproto2. Python

superfile. Pretty fancy and modern terminal file manager

shaderkit. Tools and IntelliSense for GLSL and WGSL.

gonzo. Gonzo! The Go based TUI log analysis tool

mcp-webcam. Capture live images from your webcam with a tool or resource request

PyrateLimiter. ⚔️Python Rate-Limiter using Leaky-Bucket Algorithm Family

umbrella. ⛱ Broadly scoped ecosystem & mono-repository of 215 TypeScript projects (and ~185 examples) for general purpose, functional, data driven development

stlite. In-browser Streamlit 🎈🚀

uing. Crystal binding for libui

zipstream. A command line tool that allows you to easily share files and directories over the network

ktistec. ActivityPub (https://www.w3.org/TR/activitypub/) server for individual users and small groups.

redis. Pure-Crystal Redis client, supporting clustering, RedisJSON, RediSearch, and RedisTimeSeries

multimodal-content-moderation-data.

libvmx. VMX Codec

rez. An integrated package configuration, build and deployment system for software

rloop. An AsyncIO event loop implemented in Rust

streamfleet. Customizable Go work queue implementation backed by Redis Streams (or Valkey Streams). No Lua or fancy tricks required.

OpenCut. The open-source CapCut alternative

electron-audio-loopback. Capture system loopback audio on macOS 12.3+, Windows and Linux

trafilatura. Python & Command-line tool to gather text and metadata on the Web: Crawling, scraping, extraction, output as CSV, JSON, HTML, MD, TXT, XML

kmonad. An advanced keyboard manager

streamplace. Live video for the AT Protocol. Solving video for everybody forever.

python-betterproto. Clean, modern, Python 3.6+ code generator & library for Protobuf 3 and async gRPC

moq.dev. The source code and infrastructure for moq.dev

replicate-python. Python client for Replicate

legend-state. Legend-State is a super fast and powerful state library that enables fine-grained reactivity and easy automatic persistence

cereggii. Thread synchronization utilities for Python

moshi. Moshi is a speech-text foundation model and full-duplex spoken dialogue framework. It uses Mimi, a state-of-the-art streaming neural audio codec.

delayed-streams-modeling. Kyutai's Speech-To-Text and Text-To-Speech models based on the Delayed Streams Modeling framework.

mlx. MLX: An array framework for Apple silicon

WeasyPrint. The awesome document factory

arc-theme. A flat theme with transparent elements (actively maintained fork)

record3d. Accompanying library for the Record3D iOS app (https://record3d.app/). Allows you to receive RGBD stream from iOS devices with TrueDepth camera(s).

BlackHole. BlackHole is a modern macOS audio loopback driver that allows applications to pass audio to other applications with zero additional latency.

electron-builder. A complete solution to package and build a ready for distribution Electron app with “auto update” support out of the box

UTM. Virtual machines for iOS and macOS

vtracer. Raster to Vector Graphics Converter

chezmoi. Manage your dotfiles across multiple diverse machines, securely.

Awesome-CoreML-Models. Largest list of models for Core ML (for iOS 11+)

sdk-python. Python SDK for CloudEvents

mashumaro. Fast and well tested serialization library

AudioCap. Sample code for recording system audio on macOS 14.4+

blender-mcp. Open-source MCP to use Blender with any LLM

web-frameworks. Which is the fastest web framework?

VeraCrypt. Disk encryption with strong security based on TrueCrypt

akvirtualcamera. akvirtualcamera, virtual camera for Mac and Windows

webcamoid. Webcamoid is a full featured and multiplatform camera suite.

colima. Container runtimes on macOS (and Linux) with minimal setup

bkmr. Knowledge Management for Humans and Agents

filesystem_spec. A specification that python filesystems should adhere to.

obstore. The simplest, highest-throughput Python interface to S3, GCS & Azure Storage, powered by Rust.

code-interpreter. Python & JS/TS SDK for running AI-generated code/code interpreting in your AI app

fragments. Open-source Next.js template for building apps that are fully generated by AI. By E2B.

gpac. GPAC Ultramedia OSS for Video Streaming & Next-Gen Multimedia Transcoding, Packaging & Delivery

bigscreen-player. Simplified media playback for bigscreen devices

static-ffmpeg-binaries. Static binaries of FFmpeg, for multiple OS & CPU combinations, built from source in a GitHub Actions workflow.

shaka-streamer. A simple config-file based approach to preparing streaming media, based on FFmpeg and Shaka Packager.

mirotalksfu. 🏆 Self-hosted, open-source WebRTC video conferencing platform for real-time communication and collaboration. A modern alternative to Zoom, built on SFU architecture.

DistroAV. DistroAV (formerly OBS-NDI): NDI integration for OBS Studio

akvcam. akvcam, virtual camera for Linux

webrtc-vmaf. VMAF benchmarking tool for WebRTC codecs

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.

nicegui. Create web-based user interfaces with Python. The nice way.

hypercorn. Hypercorn is an ASGI and WSGI Server based on Hyper libraries and inspired by Gunicorn.

enrichmcp. EnrichMCP is a python framework for building data driven MCP servers

sst. Build full-stack apps on your own infrastructure.

Perth. Open Audio Watermarking Tool

spark. :sparkles: An advanced 3D Gaussian Splatting renderer for THREE.js

prompts.chat. f.k.a. Awesome ChatGPT Prompts. Share, discover, and collect prompts from the community. Free and open source — self-host for your organization with complete privacy.

rnnoise. Recurrent neural network for audio noise reduction

container-use. Development environments for coding agents. Enable multiple agents to work safely and independently with your preferred stack.

moderngl-window. A cross platform utility library for ModernGL making window creation and resource loading simple

cyndilib. A Python wrapper for Newtek NDI® written in Cython

dvc. 🦉 Data Versioning and ML Experiments

obs-backgroundremoval. An OBS plugin for removing background in portrait images (video), making it easy to replace the background when recording or streaming.

virtual-display-rs. A Windows virtual display driver to add multiple virtual monitors to your PC! For Win10+. Works with VR, obs, streaming software, etc

quarkdown. 🪐 Markdown with superpowers: from ideas to papers, presentations, websites, books, and knowledge bases.

typed-ffmpeg. Type-safe FFmpeg bindings for Python & TypeScript — filters, typing, and docs

Orion. Unsupervised time series anomaly detection library

StreamDiffusion. StreamDiffusion: A Pipeline-Level Solution for Real-Time Interactive Generation

just-prompt. just-prompt is an MCP server that provides a unified interface to top LLM providers (OpenAI, Anthropic, Google Gemini, Groq, DeepSeek, and Ollama)

topgrade. Upgrade all the things

mcp-use. The fullstack MCP framework to develop MCP Apps for ChatGPT / Claude & MCP Servers for AI Agents.

llm-video-frames. LLM fragment plugin to turn a video into images of different frames

pyrefly. A fast type checker and language server for Python

ROSplat. The Online ROS2-Based Gaussian Splatting-Enabled Visualizer

async-lru. Simple LRU cache for asyncio

griffe. Signatures for entire Python programs. Extract the structure, the frame, the skeleton of your project, to generate API documentation or find breaking changes in your API.