Socratic
The North
Mathway
MyScript Calculator
PhotoStudy
ProjectOS Pro
Mathquizily
Trustudies
SourceForge
GitHub
GitLab
BitBucket
openDesktop.org
Gitea
Launchpad.net
OSOR
Socratic
SourceForgeThe North - OKRs, Projects and Strategy
GitHub - Originally founded as a project to simplify sharing code, GitHub has grown into an application used by over a million people to store over two million code repositories, making GitHub the largest code host in the world.
Mathway - Mathway is a freemium math solving app that helps you find the solutions to any math problem you can imagine.
GitLab - Create, review and deploy code together with GitLab open source git repo management software | GitLab
MyScript Calculator - Perform mathematical operations naturally using your handwriting.
BitBucket - Bitbucket is a free code hosting site for Mercurial and Git. Manage your development with a hosted wiki, issue tracker and source code.