Focus plugin for lightroom shows you which focus points were selected by your camera when the photo was taken
Advanced css gradient editor with multiple layer support
[x]it! is a plain-text file format for todos and check lists with emacs major mode mode
Numpad is a text editor/calculator hybrid.
From the HN comments, there is also calcpad ("A different take on the caculator"), an electron app where an online version is available too. Both nifty.
SSH Tips and Tricks, about Yubikey SSH forwarding, auto start tmux on connect and more (HN thread)
ansi-art — allows you to render a regular image as a 24-bit, Unicode-capable version of ANSI Art
