Links

Searching tools

• Google keyword planner – Google AdWords tool
• Google Trends – find out what people search
• Twitter Search – Twitter trends
• AnswerThePublic – the auto suggest results provided by Google & Bing (paid)
• MerchantWords – database of searches from real Amazon shoppers (paid)
• Social Blade – tracks user statistics for YouTube, Twitch, Instagram, and Twitter

Graphics

• Deep Dream – create visual content with AI
• diagrams.net – making flowcharts, diagrams
• excalidraw – hand-drawn like diagrams

Coding

• TIOBE Index – popularity of languages
• StackShare – technology stacks of the top companies
• JWT.IO – decode, verify and generate JWT
• WhatWebCanDo – device integration HTML5 APIs

Python

• Python Tutor – visualize your code
• Stack Overflow list – hidden features of Python
• Python Anti-Patterns – Python anti-patterns and worst practices
• Classy Class-Based Views – descriptions of Django’s class-based generic views
• Classy Class-Based DRF – same but for DjangoRESTFramework.

JavaScript

• Equality in JavaScript – equality in JavaScript

Data sources

• OECD.Stat – data for OECD countries
• Quandl – financial, economic, and alternative datasets

Travel

• Nomad List – compare living conditions around the world
• Numbeo – compare living conditions around the world
• Travel Nation – round the world travel

Events

• Eventbrite – event platform

Nothing more interesting found yet, seriously.