QWERTY mini – a 16-key, 2-row keyboard, now available as a Pro version
16-key keyboard that types full QWERTY via simultaneous taps and swipes.

Design essay on 2-row keyboards, but the actual app isn't the focus here.
Mobile keyboard designers, accessibility advocates
Typeless · Minuum · SwiftKey
16-key keyboard that types full QWERTY via simultaneous taps and swipes.
BlackBerry flick predictions + pixel-perfect retro theming; iOS keyboard market is locked.
Repurposes unused JIS keyboard keys for Hyper modifiers and Vim navigation without layers.
Clever three-key sequence detection makes Copilot key useful again for devs.
Good explainer on PDF metadata, but this is a known issue with standard library fixes.
Explain mode traces rule evaluation node-by-node when Symfony can't.