Take a l10n.js property file and create a Kinto collections that let's people sync the file translation.
l10n2kinto --host https://kinto.dev.mozaws.net/v1 \ --auth user \ --bucket loop-client \ --collection fr \ --in l10n/fr/*.properties
It will open all properties file in the fr directory and create a new translation record for each entry:
{ "id": "8cf933da-2224-fc06-f12c-d5d4ed4ac778", "last_modified": 1452701470453, "key": "chat_textbox_placeholder", "value": "Écrivez ici…" }