
Flowlingo
Duolingo
Lingvist
Backchannel Chat
Mondly
LabsLand
NowComment
Kialo
SourceForge
GitHub
GitLab
BitBucket
openDesktop.org
Gitea
Launchpad.net
OSOR
Flowlingo
SourceForgeDuolingo - Duolingo is a free language learning app for iOS, Windows and Android devices. The app makes learning a new language fun by breaking learning into small lessons where you can earn points and move up through the levels. Read more about Duolingo.
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.
Lingvist - Lingvist helps you take your foreign language skills to the next level with a broad selection of exercises and lessons.
GitLab - Create, review and deploy code together with GitLab open source git repo management software | GitLab
Backchannel Chat - Backchannel Chat is best in class discussion tool that is intended for teachers to streamline their class activities.
BitBucket - Bitbucket is a free code hosting site for Mercurial and Git. Manage your development with a hosted wiki, issue tracker and source code.