Here are a few good websites that provide the writers with guidelines, tools and great resources. Blogger2Writer.com writers strongly recommend them.
Our Choices

Writers Helping Writers
A professional writer, a passionate content creator or anyone pursuing writing capabilities from any level require some support, tools and guidance. These support, tools and guidance vary with the levels of a writer. No individual is there who is fully self-sufficient and independent. Writers Helping Writers is a site exactly doing so! At whatever stage we are, we need to learn more and advance us forward. We should tag ourselves actively with such a site without delay

ProBlogger
According Problogger, "Since 2004, ProBlogger has been the home for bloggers wanting to create and grow their blogs, and then go professional to make money blogging. We’ve got over 8,000 posts with blogging advice, tips, and in-depth tutorials alongside the latest blogging trends." Blogger2Writer.com recommends ProBlogger for new and novice bloggers. Know the key techniques and tricks to become a pro-blogger.

Quick and Dirty Tips Grammar Girl
If you have the patience of 'reading on and learning', the writing based articles of Quick and Dirty Tips is a good choice. For instance, you are not clear about using semicolons. This article on the site would be beneficial for you.

Purdue Owl Writing Lab
The Purdue OWL (Online Writing Lab) offers a good number of (over 200 free till 2020) resources on writing, teaching writing, grammar and mechanics, English as a Second Language, and style guides. This site is sponsored by Purdue University. It's a great resource for both teaching and learning. In addition to their grammar lessons, you can find formatting guides for styles such as MLA (MLA style is a referencing method developed by the Modern Language Association) and APA (APA stands for American Psychological Association. APA is a common social sciences formatting style for essays and papers APA Style has a specific format for in-text and reference list entries), as well as suggestions on how to avoid plagiarism in your work.

UsingEnglish.com
UsingEnglish.com was established in 2002 and is a general English language site specialising in English as a Second Language (ESL). We host a large collection of tools & resources for students, teachers, learners and academics, covering the full spectrum of ESL, EFL, ESOL, and EAP subject areas.

Writer's Digest
Writers helping writers improve their craft, achieve their goals and recognize their dreams—since 1920. Our mission is to help ignite writers' creative vision and connect them with the community, education and resources they need to bring it to life. Fiction Screenwriting Nonfiction Poetry From inspiring prompts, practical techniques and insightful interviews, to instructional workshops, writing competitions and professional services—we help writers of all genres and formats develop their craft and hone their business skills at every stage of their career. WritersDigest.com WritersDigest.com is the one-stop shop for information, resources and writing community. Writers can connect with other writers on our forum, visit our blogs and sign up for our free weekly e-newsletter. They’ll also find weekly writing prompts, contests and competitions, conference listings, and online exclusive articles.

RMIT University Learning Lab
Check out some of the essential writing skills needed in tertiary study. The site offers over 20 .pdf-documents with main rules and common mistakes related to summarising, paraphrasing, referencing, sentences, paragraphs, linking words and business writing.

WriteToDone
In 2020, Write to Done joined the Selfpublishing.com platform of sites, a digital family committed to transforming the self-publishing industry, one author at a time. The original vision of Write to Done has NOT changed: our aim is to provide inspiration and practical tips about becoming a better writer. Being a part of the Selfpublishing.com platform simply means that our readers have access to a wider variety of content, resources, and coaching opportunities in order to achieve their writing goals. Managing Editor Jeremy Anderberg came on board in mid-2021 and brings over a decade of experience in writing, editing, podcasting, and more. He’s an incurably obsessive reader and writer (his reviews can be found at readmorebooks.co) of all genres; a few of his favorite books are When Breath Becomes Air, Lonesome Dove, and the Harry Potter series. He especially enjoys writing about non-fiction, conducting interviews with writers about their craft and influences, and is eager to try his hand at fiction/creative writing. Jeremy lives with his wife and three young kids in Denver, Colorado.
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