Hackr.io vs opentabs

Find the Best Programming Courses & Tutorials

Hackr.io is a website to search for programming-tutorials available online. All the tutorials are from other websites and are submitted to Hackr.io by its users. Once approved, the tutorials are published on the website with appropriate categorization. Users have the option to upvote tutorials and help other users choose.

Skipping lines since 2012 by mobile ordering

Always first in line! With opentabs you will skip the line at your favorite coffee place, restaurant or take away. Pick up your order without lining up at the register.
opentabs works well with sport venues, fullservice restaurants and take away places with a one stop shop app, aggregating various brands and categories in one single app.