Unimus - Unimus is a Network Automation and Configuration management (NCM) solution designed for fast deployment network-wide and ease of use. Unimus does not require learning any abstraction or templating languages, and does not require any coding skills.
Zotero - Zotero is a free, easy-to-use tool to help you collect, organize, cite, and share research.
Oxidized - configuration backup software (IOS, JunOS) - silly attempt at rancid
Qiqqa - Qiqqa is a free research and reference management software. It can be used in many organizational projects from the academic to the personal to the business endeavor. Read more about Qiqqa.
RANCID - RANCID - Really Awesome New Cisco confIg Differ.
JabRef - Graphical Java application for managing bibtex (. bib) databases.JabRef · JabRef Help · JabRef | Blog · OpenOffice/LibreOffice .