Mailr is an Open Source webmail client with gmail like conversations.
Note. Mailr is at the beginning of development. There is a lot of work, that has to be done.
Here is more information http://pusto.org/en/mailr/.
Here is public demo http://mail.pusto.org, you can send email to mailr[at]pusto.org and it probably appears in Inbox.
Requires Python>=3.3 and PostgreSQL.
$ pip install -r requiremets.txt # Create database with hstore extension > CREATE DATABASE mailr WITH OWNER mailr; > CREATE EXTENSION hstore; $ ./manage.py db-init $ cp conf_test.json conf.json # Then fix "google_id", "google_secret", "email" and "pg_*" settings $ ./manage.py run # Go to http://localhost:5000/auth/ for getting auth token from google # Then synchronize all emails $ ./manage.py sync -b # Then you can see your emails in Mailr $ ./manage.py run