There are 37 repositories under langauges topic.
Flagpack contains 260+ easily implementable flag icons to use in your design or code project.
Chrome Extension for highlighting words on foreign-language sites and learning their meanings through user-selected dictionaries
The Smart IP Redirect to Locale (with Cookie) overrides language negotiation and redirects users to a language depending on their IP address based on a country code mapping configuration page.
A compiler front-end prototype implementation.
a simple code editor and execution platform that probably supports more languages than you know...🗿