Top 3 Python maintained Projects

ZODB

0 655 6.2 Python

Python object-oriented database (by zopefoundation)
Zope

1 344 8.3 Python

Zope is an open-source web application server.
InfluxDB

www.influxdata.com sponsored

Power Real-Time Data Analytics at Scale. Get real-time insights from all types of time series data with InfluxDB. Ingest, query, and analyze billions of data points in real-time with unbounded cardinality.
z3c.rml

2 98 6.3 Python

An alternative implementation of RML

Project mention: Ask HN: How to generate PDFs from the back end? | news.ycombinator.com | 2023-05-06

We are using z3c.rml (https://github.com/zopefoundation/z3c.rml) based on ReportLab. Layout is written in HTML-like XML and render performance is pretty good.

NOTE: The open source projects on this list are ordered by number of github stars. The number of mentions indicates repo mentiontions in the last 12 Months or since we started tracking (Dec 2020).