By accessing public data sets (including your own GitHub or Spotify data) through Qlik Associative Engine and APIs, you can experiment and create beautiful visualizations and data-driven apps using powerful search, data retrieval without writing queries, out-of-the-box charts with a single line of code and more. Free. Qlik Playground
As a concise overview over the current state of all things front-end (The Front-End Practice, Learning Front-End Development, Front-End Development Tools), Cody Lindley wrote the Front-End Developer Handbook 2018.
Figma is more a web UI design tool than an SVG editor, but it has an excellent toolset and produces well-optimized SVG code. Free.
Kaltura‘s built-in analytics and reports provide the insight you need to successfully manage content and make decisions based on real data.
WordPress and Drupal are both great tools and ideal for different types of websites. Your individual website needs will play a role in which CMS makes the most sense for you, so weigh the differences and similarities before you develop.
Proposes a valuation based on more then 20 metrics to measure and track success of a website: http://www.websiteoutlook.com/