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freeCodeCamp.org's open-source codebase and curriculum. Learn to code for free.

📚 Freely available programming books

💯 Curated coding interview preparation materials for busy software engineers

A resource to help busy software engineers become good at system design 👇

LakeSail's computation framework with a mission to unify batch processing, stream processing, and compute-intensive (AI) workloads.

Database diagrams editor that allows you to visualize and design your DB with a single query.

App Cuidar

Java regular expressions made easy.

Eclipse External null Annotations (EEA) repository

EqualsVerifier can be used in Java unit tests to verify whether the contract for the equals and hashCode methods is met.

GreenTunnel is an anti-censorship utility designed to bypass the DPI system that is put in place by various ISPs to block access to certain websites.

A Clojure library for querying large data-sets on similarity

Implementation of the sample from REST in Practice based on Spring projects

gwt-jackson is a JSON parser for GWT. It uses Jackson 2.x annotations to customize the serialization/deserialization process.

Docker Official Image packaging for Postgres

Webapp builder: The easy (and fast) way to create a web project

Distributed, masterless, high performance, fault tolerant data processing

Distributed and fault-tolerant realtime computation: stream processing, continuous computation, distributed RPC, and more

HElib is an open-source software library that implements homomorphic encryption. It supports the BGV scheme with bootstrapping and the Approximate Number CKKS scheme. HElib also includes optimizati…

A simple java disk backed map

vert.x - Effortless asynchronous application development for the modern web and enterprise

Example projects and sample code featured in Clojure Programming (1st ed.) from O'Reilly

Stuff in clojure

Java Puzzles

Java Puzzles

Example projects and sample code featured in Clojure Programming (1st ed.) from O'Reilly

A plugin that enables HTML5 placeholder support for legacy browsers

Simple migration tool to convert Drools Rule Flow processes to BPMN2