PyCeed is a simple web-based feeds aggregator. It supports feeds union, pruning, sorting, and filtering. It contains a web server that serves simple config pages and feeds in both Atom and RSS formats.
IOW: a very trimmed-down Yahoo! pipes (which is about to close in a few months): no fancy operators, no pretty graphical configuration.
python3(tested with python 3.4)
python3-feedparser>> 5.2 (not in debian, use github's latest) https://github.com/kurtmckee/feedparser
feedgen0.3.1 (not in debian, use pip) https://pypi.python.org/pypi/feedgen
bottle0.12 (tested with 0.12.8) http://bottlepy.org/
python3-apsw(tested with 3.8.6-r1)
SQLite3.8 (tested with 126.96.36.199)