Certbot is EFF's tool to obtain certs from Let's Encrypt and (optionally) auto-enable HTTPS on your server. It can also act as a client for any other CA that uses the ACME protocol.

music library manager and MusicBrainz tagger

Ajenti Core and stock plugins

AutoKey, a desktop automation utility for Linux and X11.

A simple CalDAV (calendar) and CardDAV (contact) server.

backup a github user or organization

The Tahoe-LAFS decentralized secure filesystem.

Optimize the audio quality of your loudspeakers

Pyzotero: a Python client for the Zotero API

GNOME powered sound conversion

Sane content versioning for Django.

Recursively import modules.

Twisted-based python async interface for Box (box.net) API v2.0