All the resources you need to get to Senior Engineer and beyond

Course materials for Stanford CS240h, "Functional Systems in Haskell"

💯 Curated coding interview preparation materials for busy software engineers

⚡️ Front End interview preparation materials for busy engineers

Everything you need to prepare for your technical interview

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

Bartosz Milewski's 'Category Theory for Programmers' unofficial PDF and LaTeX source

Master programming by recreating your favorite technologies from scratch.

The Haskell Optimization Handbook

SpiderFoot automates OSINT for threat intelligence and mapping your attack surface.

Command-line Kanban board/task manager with support for Trello boards and GitHub projects

Parsing, analyzing, and comparing source code across many languages

An advanced keyboard manager

A formal logic framework that runs in the browser

Emanate a structured view of your plain-text notes

A static website compiler library in Haskell

🔥 The fastest way to build type safe web apps. IHP is a new batteries-included web framework optimized for longterm productivity and programmer happiness

SimpleX - the first messaging network operating without user identifiers of any kind - 100% private by design! iOS, Android and desktop apps 📱!

My answers to LeetCode, HackerRank, company code challenge problems, + "Cracking the Coding Interview." All my Data Structures + Algorithm posts: https://www.linkedin.com/search/results/all/?keywor…

Clear to write, read and edit DSL for writing HTML

Command line version of Wordle.

Haskell 101 and 102: slides and codelabs

Feasible, organic software project ideas that are suitable for all developers, including junior ones.

A fast Haskell JSON library

♊ higher-order, no-boilerplate monads

The GNU Privacy Guard. NOTE: Maintainers are not tracking this mirror. Do not make pull requests here, nor comment any commits, submit them usual way to bug tracker (https://www.gnupg.org/documenta…

🐏 Simple and complete React hooks testing utilities that encourage good testing practices.

Bootstrap yourself to write an OS from scratch. A book for self-learner.

Find and fix problems in your JavaScript code.

Want to contribute? These are difficult, long-term projects that could be valuable to open source investigators at Bellingcat and around the world.