| The Observatory of Economic Complexity | interactively explore economic/trade data for various countries |  | 
            
                | Federal Reserve Economic Data (FRED) | various US-related econometric and demographic data | convenient data browser with graphs | 
            
                | The Opportunity Atlas | zoomable US map showing detailed econometric and demographic data | 
                        US onlyinteractive mapneighborhood-level detail for big cities | 
            
                | World Population Density Interactive Map | see (almost) exactly where people live around the world |  | 
            
                | Gapminder Tools | compare countries over hundreds of metrics and over the years: their sources are
                    the United Nations, the International Monetary Fund, etc. | 
                        their data before the 1950s seem too speculative to be of real usethe United Nations Statistics Division was created in 1947 | 
            
                | Wikipedia’s List of International Rankings | links to several country-ranking lists over various criteria | social indicators, especially crime-related ones, often measure different things
                    in different countries | 
            
                | Commodity Markets | data and research about global commodity markets |  | 
            
                | Open Street Map | explorable world map with tons of local info for most major cities | in some ways even more useful/complete than Google Maps | 
            
                | Canadian Weather Radar | Canadian-weather animations without ads/popups | official source | 
            
                | ADS-B Exchange | live-track up to thousands of aircraft from all around the world | apparently much less censored than similar sites, like FlightRadar24 | 
            
            
                | Google Earth Engine Live Editor | interactive JS editor to control large-scale geodata processing | requires a Google account with special permission to access Earth Engine | 
            
                | Desmos Graphing Calculator | graphing calculator similar to GeoGebra | public permalinks don’t need an account | 
            
                | Wikidata Query Service | interactive query editor/runner for Wikidata | 
                        Ctrl+Enter to runCtrl+Space to autocomplete things | 
            
                | Neocities | free website host without ads/trackers |  | 
            
                | Excel-workbooks Viewer | drop XLSX files on the page to view them | Excel files in XLS format (without the final X) not supported | 
            
                | AWK Live Editor | use awkfor text-processing on the go | 
                        runs mawk, which means smaller-sized buffers (e.g.sprintfis up to 8 KB) are used by defaultlets you save your work via public permalinksmawk Manual | 
            
                | sed Live Editor | use sedfor text-processing on the go | lets you save your work via public permalinks | 
            
                | grep Live Editor | use grepto match text patterns on the go | lets you save your work via public permalinks | 
            
                | bc (Basic Calculator) | use bcto calculate with arbitrary precision on the go | 
                        20 decimal digits by defaultmath library (option -l) is includedarrow keys to navigate/edit lineCtrl+Backspace to erase whole linebc Manual | 
            
                | DuckDuckGo !bang | find shortcuts to enable context/site-specific searches on DuckDuckGo |  | 
            
                | Simon Tatham’s Puzzle Collection | dozens of puzzles playable from the site; also available as all-in-one apps for Windows, Mac, Android, and iOS |  | 
            
                | Puzzle Bobble - Bust-A-Move | play Bust-A-Move, a real-time puzzle game from 1994 | runs in-browser emulator | 
            
                | After Burner 2 | play After Burner 2, an arcade-style jet-fighter game from 1987 | runs in-browser emulator | 
            
                | Chess | play chess against a world-class bot | has a wide range of difficulty levels | 
            
                | 8 Ball Billiards Classic | play pool/billiards | ad-tracks you |