Open source, local, and self-hosted Amazon Echo/Google Home competitive Voice Assistant alternative

A build-it-yourself, 6-wheel rover based on the rovers on Mars!

High-quality QR Code generator library in Java, TypeScript/JavaScript, Python, Rust, C++, C.

pure JS WiFi QR Code Generator

Free and Open Source, Distributed, RESTful Search Engine

Backstage is an open framework for building developer portals

Make JSON greppable!

Error Prone extensions: extra bug checkers and a large battery of Refaster rules.

Fermented Chili "Open Sauce" - My most starred repo has no code in it!

Scalable, Portable and Distributed Gradient Boosting (GBDT, GBRT or GBM) Library, for Python, R, Java, Scala, C++ and more. Runs on single machine, Hadoop, Spark, Dask, Flink and DataFlow

report system wide file access events

A curated list of awesome frameworks, libraries and software for the Java programming language.

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

Jeff Dean's latency numbers plotted over time

Java agent that enables class reloading in a running JVM

Sampling CPU and HEAP profiler for Java featuring AsyncGetCallTrace + perf_events

GIT utilities -- repo summary, repl, changelog population, author commit percentages and more

Learn how to design large-scale systems. Prep for the system design interview. Includes Anki flashcards.

500 Lines or Less

Flight rules for git

ShellCheck, a static analysis tool for shell scripts

A functional standard library for Python.

Go Graphics - 2D rendering in Go with a simple API.

Graph algorithms and data structures

Record Query - A tool for doing record analysis and transformation

sc-im - Spreadsheet Calculator Improvised -- An ncurses spreadsheet program for terminal

Rich is a Python library for rich text and beautiful formatting in the terminal.

REST API for any Postgres database

Combination of multiple linters to run as a GitHub Action or standalone

Connect, secure, control, and observe services.