SQL Fiddle : A tool for easy online testing and sharing of database problems and their solutions.
DBeaver : Free multi-platform database tool for developers, SQL programmers, database administrators and analysts. Supports all popular databases: MySQL, Postgr...
fivesecondtest : Landing page optimization for your mocks and wireframes.
Fivesecondtest helps you fine tune your landing pages and calls
to action by analyzing the mo...
repl.it : Powerful and simple online compiler, IDE, interpreter, and REPL. Code, compile, and run code in 30+ programming languages. including JavaScript, Pytho...
Online javascript beautifier : Beautify, unpack or deobfuscate JavaScript and HTML, make JSON/JSONP readable, etc.
SQLFormat is a free online formatter for SQL statements.
