Tips.how - A place to share small tips on any topic
Zotero - Zotero is a free, easy-to-use tool to help you collect, organize, cite, and share research.
Muzli - UI/UX and Design Inspiration Chrome Extension
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.
Material Up - Curates the best of Material Design inspiration, tools and freebies.
JabRef - Graphical Java application for managing bibtex (. bib) databases.JabRef · JabRef Help · JabRef | Blog · OpenOffice/LibreOffice .