Design patterns implemented in Java

FASTJSON 2.0.x has been released, faster and more secure, recommend you upgrade.

jsoup: the Java HTML parser, built for HTML editing, cleaning, scraping, and XSS safety.

Some Android learning materials, hoping to help you learn Android development.

Hackpad is a web-based realtime wiki.

Asciidoc Editor and Toolchain written with JavaFX 21 (Build PDF, Epub, Mobi and HTML books, documents and slides)

Command line parsing framework for Java

📝 A translations app without interruptions, copy words and translate directly, show result by top view.

[DEPRECATED] Core Java Library + PDF/A, xtra and XML Worker. Only security fixes will be added — please use iText 7

Caja is a tool for safely embedding third party HTML, CSS and JavaScript in your website.

Command line tool (and API) for diffing Excel Workbooks

Java annotation-based framework for parsing Git like command line structures

Command line Java Decompiler

Language Detection Library for Java

geocoding and geolocalisation webservices for Geonames, Openstreetmap, Openaddresses, Tiger and quattroshapes data

Java library for parsing command line options

Java port of Python's famous argparse command-line argument parser.

A framework to build command-line console applications in Java

Java Wiki Bot Framework is a library to maintain Wikis like Wikipedia based on MediaWiki.

Mcpdf is an alternative to PDFtk with fixed unicode issues, so you can write Łódź into your forms.

The parser of Ranking of Universities.

University Data Exctracion

Canada postal code validating

Canadian postal code validation service

This is a program that gives you the short summary of values in Wikipedia.

Generates Json files from Geonames API with the all countries, states and cities of the world

This application accepts two month csvs and returns an output csv which contains rows which are in current month but not in previous month

Android app that calculates the federal and provincial taxes and compares provincial rates in Canada's 9 provinces.