Hackr.io vs OneTwoSmile

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.

Straighten your teeth with invisible braces.

OneTwoSmile is a direct-to-consumer clear aligner solution with remote medical supervision that is democratizing access to straight teeth.
We have developed a product that's both customizable and invisible, helping you achieve a beautifully straight smile in a fraction of the cost & time that traditional braces would take.

Location: Doha, Qatar