Saltcorn : Saltcorn is a platform for building database web applications without writing a single line of code. Use the intuitive point-and-click, drag-and-drop ...
Screeps - MMO strategy sandbox game for programmers : A strategy sandbox MMO game with a persistent open world where you play by writing JavaScripts to control your units. They live within the game and op...
Simplql : Query csv, xls and json with SQL. Simplql is a private and fast in-browser tool that lets you query your data files with your favourite query language...