surveylab.com is a professional survey software and questionnaire tool that supports survey creation, automates response collection and provides real-time reports and advanced data analytics. The system is a web application and no additional software expect web browser is needed to use it. System offers mobile app (Android, iOS), multi-language support, multi-user accounts, enhanced security (including GDPR compliance) and many more.
iWadi - Take online paid surveys. Help your favorite brands and earn money online with iWadi online survey panel. Sign up for free.
Dia - Dia is a GTK+ based diagram creation program for GNU/Linux, MacOS X, Unix, and Windows, and is released under the GPL license.
MyPanelLab - Just sign up, take paid surveys and earn money online. mypanellab.com is the easiest way to make money online. Earn up to 5 USD for a single survey. Sign up for free.
draw.io - Online diagramming application
Survey Monkey - Create and publish online surveys in minutes, and view results graphically and in real time. SurveyMonkey provides free online questionnaire and survey software.
yEd - yEd is a free desktop application to quickly create, import, edit, and automatically arrange diagrams. It runs on Windows, Mac OS X, and Unix/Linux.