LibreOffice - unlike Microsoft Word - does not offer to change the color of Arabic diacritical marks (tashkeel/harakat). However, there are two tricks.
Arabic keyboards lack many important special characters. Here is a list of the most important characters and signs which you can copy and paste.
Hard to imagine today, but the grandmasters of Arabic grammar were superstars during their lifetime. Here is a list of the TOP 5 Arabic grammarians of all time.
Arabic is usually written without vowels (tashkeel). The website Forvo can help you to find the correct pronunciation of Arabic words and names.
There are many options for Arabic keyboards: hardware (qwerty and qwertz), mobile apps or virtual keyboards online. Here is a list of the best Arabic keyboards.
Yes, palindromes in Arabic exist. You can read it from right to left or from left to right - the letters are the same.
Google Translate is great - but unfortunately not for Arabic. There is an excellent alternative: the Google Chrome extension "Arabic Dictionary".
Times New Roman or Arial are not the only fonts to write in Arabic. Google Fonts offers many beautiful Arabic fonts for free - it works also for Apple/Mac.
ARABIC FOR NERDS 2 will improve your understanding of written Arabic texts dramatically. It helps you to achieve your final goal: the superior level (C2).
Arabic used to be written without dots in ancient times. At least it did, a long time ago. Could you read such sentences?