Below is an outline of the Web Design services and tools in the digital marketing tools index.

Click on the link below each section for a page with more detail.

Content Management Systems

WordPress – the #1 CMS, by a large margin. Based on PHP. Huge community of developers.
Drupal – one of the most-used CMS. Based on PHP.
Joomla! – one of the most-used CMS. Based on PHP.

Website Templates & Themes

Theme Forest – 20,340 website themes as of October 2015.
TemplateMonster – 20,259 WordPress themes as of October 2015.
CreativeMarket – 4,048 website themes as of October 2015.
Mojo Themes – 2,140 WordPress themes as of October 2015.

WordPress Templates & Themes

Theme Forest – 5,768 WordPress themes and templates as of November 2015.
CreativeMarket – 2,167 WordPress themes as of November 2015.
TemplateMonster – 1,713 WordPress themes as of November 2015.
Mojo Themes – 1,194 WordPress themes as of November 2015.

Form Builders

Gravity Forms – WordPress plugin.
Ninja Forms – WordPress plugin.
Formidable Pro – WordPress plugin.
Formstack – online form builder with optimization features to help convert leads.
Wufoo – online form builder, owned by SurveyMonkey, emphasizes ease-of-use.
FormAssembly – online form builder, all plans include unlimited forms & surveys.
FormSite – online form builder with data portability.
JotForm – online form builder, all plans include all features, only difference is users and usage.
Typeform – online form builder with unlimited forms and responses.

Website Builders

Jimdo – free plan with limited features on a Jimdo subdomain. Pro plans start at $7.50 per month (only available with annual billing).
Wix – ad-supported plan is $6.90 per month. Regular plans start at $12.95 per month.
Yola – free plan with limited features on Yola subdomain. Paid plans from $5.96 per month, or $12.95 without Yola branding.
Squarespace – website plans (beyond a cover page) from $8 per month. Store plans from $26 per month.
Weebly – free basic plan, but with no domain and Weebly footer. Paid website plans from $8 per month. Ecommerce plans from $24 per month.
Duda –  focuses on mobile-only sites and responsive sites. Free plan with limited features and ads on Duda subdomain. Various paid plans.
bMobilized – Convert your existing site to a mobile site. Plans from $10 per month.
Create – company based in England. Shop plans (beyond a micro plan) from £6 per month.

Website Performance

GTmetrix – easy-to-use site that includes PageSpeed, YSlow, a Waterfall Chart, more.
WebPageTest – waterfall speed chart with timed screenshots (“filmstrip view”) or video view.
Google PageSpeed Insights – offers “A” through “F” grades on a range of site-speed issues.
YSlow – offers “A” through “F” grades on a range of site-speed issues (might be broken for Firefox).
Pingdom Website Speed Test – offers waterfall chart with speed of individual page components. Also page analysis of size and speed by several groupings.

Other Tools

shouldiuseacarousel.com – well, should you?

Other WordPress Tools

WP Stagecoach – $- one-click WordPress staging sites. End “cowboy coding” and never develop on a live site again.

Forums & Hangouts

/r/web_design/ – largest web design subreddit at Reddit.
Quora: Web Design – the main web design topic at this large Q&A site.

Blogs

Web Designer Depot – frequent, covers many common topics.
Smashing Magazine – articles and lists that often go very deep.
Web Design Ledger – frequent web design news and resources.
Vandelay Design – interesting articles and practical resources.
Design Shack – interesting articles and practical resources.
A List Apart – thought-leading articles for thoughtful designers.
Awwwards Blog – blog from the award site, news and what’s new.
Onextrapixel – web design and development online magazine.
Design Instruct – emphasis on developing as a designer.
JUST Creative – emphasis on developing as a designer.
Naldz Graphics – resources and inspiration.
Designmodo – how-to and resources.
Hong Kiat – how-to and resources.
Speckyboy – tips and resources.
Line25 – inspiration and resources.
Creativeoverflow – tips and advice.
InstantShift – tips and resources.
Inspired Magazine – tips and resources.
1stWebDesigner – how-to and resources.
DesignM.ag – tips and news.
Six Revisions – tips and resources.
Noupe – tips and resources, some emphasis on front-end coding.
SitePoint – covers a broad range of topics: design, coding, biz.
Envato Tuts+ – web design tutorials and tips.
CSS-Tricks – focused on front-end design and coding issues.
Tutorialzine – tips, focused more on the coding side.
The Next Web – design & dev category of the tech news site.
Little Big Details – 1 post daily about a subtle design detail. Cool!
LukeW – excellent writing on design, usability, and more.
Nielsen Norman Group – influential articles on usability and UX.
UserTesting Blog – practical articles about website usability.
UX Booth – articles on user experience (UX).
Boxes and Arrows – articles on interaction architecture and design.
Boagworld– articles about UX, design and more.
Baymard Institute – usability research findings. Nice!

Podcasts

Web Agency Podcast – bi-weekly, discusses biz issues for web agency owners and freelancers.
Shop Talk – weekly, web design and development.
CTRL+CLICK CAST – bi-weekly, topics include business, CMS, culture, design & dev.
Responsive Web Design Podcast – weekly, interviews of people involved in responsive redesigns.
The Web Ahead – weekly, talks with experts on changing technologies and the future of the web.
The Businessology Show – bi-weekly, about the business of design and the design of business.
The Big Web Show – every 1-3 weeks, topics like web publishing, art direction, typography, more.
CodePen Radio – weekly, all about what it’s like running a small web software business.

YouTube

Tuts+ Web Design – mix of how-to and what-is videos.
1stWebDesigner – older videos are more how-to, newer videos cover common web biz questions.
Mike Locke – tackles philosophy of various issues of web design, career and business.
Creative Market – weekly roundup of free design goods.

Conferences

An Event Apart – over a half-dozen events around the United States.
SmashingConf – one event each in east US, west US, United Kingdom.
WordCamp – dozens of WordPress-focused events around the world.

more detail: Digital Marketing Conference Calendar