Procrastinate is a powerful PostgreSQL-based task queue for Python, built to integrate seamlessly with Django and FastAPI. It allows you to schedule and execute background jobs using your existing database infrastructure, avoiding the need for additional queueing systems like Redis. Procrastinate is designed with simplicity, reliability, and observability in mind.
Korreio is GUI to mail systems management based on LDAP, CYRUS and POSTFIX. Its has some integrated modules: a LDAP manager, Cyrus-IMAP Mailbox (cyradm replacement), Cyrus-IMAP Partition manager (report-like), Sieve manager, Postfix Queue manager.
A Linux Traffic Control Management Interface: build tc-style rules for control network flows. Have support to set queue disciplines to interface (root) or inside a class (leaf), create classes and classifiers.