SQL Fiddle : A tool for easy online testing and sharing of database problems and their solutions.
Codassium : A better way to conduct remote interviews
WebRTC based video chat + code editor = Awesome interviews
repl.it : Powerful and simple online compiler, IDE, interpreter, and REPL. Code, compile, and run code in 30+ programming languages. including JavaScript, Pytho...
Requestdiff : Differentiate HTTP headers and content body of two GET URLs.
Feed43 : Your favorite site doesn't provide news feeds?
This free online service converts any web page to an RSS feed on the fly.
SQLFormat is a free online formatter for SQL statements.
