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…"
}