Zotero - Zotero is a free, easy-to-use tool to help you collect, organize, cite, and share research.
All the GIFs - Search all the GIFs right from your Mac
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.
Twif - A bot that replies with relatable GIFs on Twitter 🐦
JabRef - Graphical Java application for managing bibtex (. bib) databases.JabRef · JabRef Help · JabRef | Blog · OpenOffice/LibreOffice .
YouTube GIF Creator - Turn any video into a GIF directly inside YouTube