Zotero is a free, easy-to-use tool to help you collect, organize, cite, and share research.

Google Search, Google Site Search, Google News from the terminal.

bcal (Byte CALculator) is a command-line utility for storage, hardware and firmware developers who deal with storage-specific numerical calculations, expressions, unit conversions or address calculations frequently. If you are one and can't calculate the hex address offset for (512 - 16) MiB immediately, or the value when the 43rd bit of a 64-bit address is set, bcal is for you.

nnn is a fork of noice, a lightweight terminal file browser with easy keyboard shortcuts for navigation, opening files and running tasks.

There is no config file and mime associations are hard-coded.