Software
Kuote
Kuote is the fastest-growing online application that helps you share your favorite quotes as stunning images that look like a medium article.
PhotoCopyThis
PhotoCopyThis is a simple yet powerful application that allows you to copy and share text from an image within a few clicks.
Ubuntu Mono
Ubuntu brand, app and web guidelines that help you create professional materials, software, sites, apps that build the Ubuntu brand.
Inconsolata-g
I use the free Inconsolata font (by Raph Levien) to program and as shell font, and I like it a lot.
Source Code Pro
Monospaced font family for user interface and coding environments - adobe-fonts/source-code-pro
GPG encrypted text file
Released in 1997 and made popular by Edward Snowden and Glenn Greenwald, GnuPG (Gnu Privacy Guard) has a reputation as one of the most reliable and established encryption methods.