Today, I created an APT repo for my projects. At the moment, this hosts only CSerial, however the intention is to put some other projects up at some point. Note that because CSerial is built as both amd64 and armhf in the same repository, you may need to give the exact version to APT when installing: apt-get install cserial-dev=version
Versions can be seen by using the following APT command: apt-cache policy cserial-dev
There are actually two APT repos: one for nightly builds, and one for the releases. As of right now, nothing is in the releases, as I need to fix a few bugs before that happens.
Everything in these APT repos is built from Jenkins.
The main website can be seen here: http://apt.rm5248.com/