A curated list of awesome projects, libraries, tools, fonts, and dev/design resources that are trying to enhance/support the Arabic language computational needs and improve its presence on the web.

• libitl2 - A library for Islamic calendar and prayer times.
• [Qt]: ArabicNumberToWord, Convert numbers and amounts from numeric to Arabic words.

• goarabic - a Go Lang package for dealing with Arabic text.

• NumberToArabicWords - Arabic numbers to words.
• RemoveTashkeel.java - Removes Arabic diacritics (tashkeel تشكيل) from any file almost instantly.

• arabicString - A Javascript library that extends the native String object with methods to help when dealing with Arabic strings for node and the browser.
• Arli - JavaScript tools for an Arabic development.
• bidiweb - Determine the base direction of paragraphs and adjust them accordingly.
• Hijri Converter - Convert between Hijri (Um Alqura) and Gregorian NPM.
• Hijri.js - A tool for Hijri calender (based on Umm al-Qura calculations) in Javascript.
• jsastem - JavaScript Arabic Stemmer.
• moment-hijri - A Hijri calendar (based on Umm al-Qura calculations) plugin for moment.js.
• aln9 - A lightweight markup language designed for Arabic text.
• circular-arabic - Write Arabic words in a circle or arc using the Canvas element
• Oktob.js - Force typing in Arabic letters (ex: replaces "a" with "ض" for AZERTY keyboard scheme)

• Ar-PHP - A set of PHP classes developed to enhance Arabic web applications by providing set of tools includes stem-based searching, translitiration, soundex, Hijri calendar, charset detection and converter, spell numbers, keyboard language, Muslim prayer time, auto-summarization, and more...
• The PHP League Website in Arabic.

• arabicdatetime - Easy and useful tool to get arabic date with arabic characters for laravel 5.1.

• Arabic-Webfonts - WordPress plugin which allow you to add Arabic fonts easily to any theme without coding.

• ar2en - Renames Arabic files and directories into English recursively.
• Arabish - Arabic transliteration in Python. Similar to Yamli.com, Google Ta3reeb, and Microsoft Maren.
• date-extractor - Extracts dates from text in Arabic and other languages
• hijra - Hijri Islamic Calendar utils in python.
• PyArabic - Arabic text tools for Python.
• pyarabicshaping - Port of GNU FriBidi's Arabic shaping to Python.
• pyIslam - Python library to calculate prayer times, hijri date, qiblah direction and more.
• python-arabic-reshaper - Reconstruct Arabic sentences to be used in applications that don't support Arabic.
• ATKSPY - Python wrapper for Microsoft Arabic toolkit service, it provides transliterator, speller, SARF, pos tagger, parser, NER, and even a Colloquial to Arabic Converter.

• Manshar - Arabic social publishing platform.

CSS frameworks and resources that support RTL layout.

• Bootstrap 2.x & 3.x RTL.
• Bootstrap 3 RTL - RTL Theme for Bootstrap v3.x.
• Foundation 5 - A CSS framework that natively supports RTL layouts.

• bi-app-less - writing bi-directional stylesheets in less

• https://github.com/harfbuzz/harfbuzz - A Text shaping engine
• https://github.com/HOST-Oman/libraqm - A library for complex text layout

Freely available Arabic Fonts.

• Amiri Font - a classical Arabic typeface in Naskh style for typesetting books and other running text.
• Flat font - arabic font (Only Regular weight is available for free)..
• Jozoor font - Jozoor arabic font (Only Regular weight is available for free).
• sahl-naskh - A fork of Droid Arabic Naskh font fixing some of the issues in the original font.

• Wudooh (وضوح) - Chrome and Firefox extension that makes Arabic script clearer
• Fahm - Arabic pop-up dictionary extension for Google Chrome

• Simple Markdown Editor - Write Markdown in Arabic.

Libraries for working with Arabic language text and data.

• Qutuf قطوف - An Arabic Morphological analyzer and Part-Of-Speech tagger. The Core of a Framework for Arabic Language Processing as an Expert System.
• AlKhalil Morpho Sys 2 - A robust Arabic morpho-syntactic analyzer.
• MADA+TOKAN - A Toolkit for Arabic Tokenization, Diacritization, Morphological Disambiguation, POS Tagging, Stemming and Lemmatization.
• MADAMIRA - A new version of MADA
• SAMA - Standard Arabic Morphological Analyzer (crucial to obtain the latest version of SAMA for analysis purposes)
• BAMA - Buckwalter's Morphological Analyzer BAMA 2.0.
• AraMorph - Arabic Morphological analyzer.

• Apache Lucene Arabic Light Stemmer A lucene analyzer that implements light-stemming as specified by: Light Stemming for Arabic Information Retrieval.
• arabicstemmer - Snowball-based light stemmer algorithm for Arabic, aimed mainly to improve search.
• Khoja Stemmer - Shereen Khoja Arabic stemmer (java). Another implementation exists for the same algorithm (java as well).
• Arabic RootFinder - Root finding using Jupyter Notebook, Scikit-learn, and neural network in Keras.

• Mishkal - Arabic text vocalization software written in Python, website: http://tahadz.com/mishkal.

• Arabic-Conjugator - Conjugates MSA verbs given three root letters, verb form, tense, and pronoun.
• Qutrub - FOSS Arabic verbs conjugator

• YaraSpell - simplified Arabic spell checker.

• Arabic NLP - Collection of various Arabic NLP and Text Processing Scripts and Utilities.
• arabic_nlp - Tools to normalise and derive sentiment from Arabic text.
• Minteeq - مِنطيق - Opensource/free Arabic text to speech solution based on eSpeak.
• Python NLTK
• Ruby-based nlp_arabic - A ruby gem that contains Natural Language Processing tools for Arabic.
• Ya (ي) Language - An open source programming language in which you can code python in Arabic language.
• Shakkala Project مشروع شكّالة - A neural network for Arabic text vocalization to automatically form Arabic characters.

• Ar cheat-sheet - Git Cheat Sheet in Arabic.
• ArabicGit - Learn Git in Arabic.
• simple-guide - A simple guide in Arabic to get started using Git.

• Arabeyes - Arabic Tech dictionary.
• en_ar_dict - English Arabic dictionary written in python and Qt4 (pyside).
• FuzzyArabicDict - a dictionary app that allows you to look up Arabic words in transliteration.
• Nibras - French-Arabic tech terms for students.

Data, databases and content related or useful to Arabic projects.

• Arabic Speech Corpus - South Levantine Arabic (Damascian accent) speech corpus. Package contains 1813 .wav files containing spoken utterances accompanied with files containing the text utterances and phoneme labels

• LABR - Large Scale Arabic Book Reviews Dataset.
• Large Arabic Resources For Sentiment Analysis.
• Arabic Stop Words - Long list of Arabic stop words combined from different sources.

• ar-python - Learn Python in Arabic.

• Colors Lab - UX/UI philosophy in Arabic.

• Hsoub Academy - Hight quality tutorials about programing, DevOps, UX and Design, Freelancing...

• Hsoub I/O - The Arabic Reddit-like.

• informatic-ar - Arabic content about programming concepts, algorithms, AI ..etc.

• Ruby 3arabi - Learn Ruby in Arabic.

• LinuxAC - Linux Arabic Community
• iSecur1ty - Arabs Security and Ethical hacking community.

• [TODO]

Useful libraries or tools that don't fit in the categories above.

• SemVer (Semantic Versioning) specs in Arabic.
• Thawab - Thawab Arabic/Islamic encyclopedia system.

Your contributions are welcome, just send me a Pull Request!.