QLookup

Category Developer Tool
Price Free basic tier, $2.99 one-time upgrade
Scriptable No
Description An app for designers and developers that makes it easy to find/visualize colors, gradients, color palletes, symbols, and more.
Image QLookup

Bonsai Album

Category Data Tracking & Management
Price $14.99, free trial available
Scriptable No
Description An app for inventorying bonsai trees and tracking their growth over time.
Image Bonsai Album

JustTrack

Category Data Tracking & Management
Price Free basic tier, $1.99/month pro subscription
Scriptable Yes
Description An app for tracking just about anything.
Image JustTrack

iCab

Category Browser
Price Free, $10 one-time cost to remove shareware reminder
Scriptable Yes
Description An independently developed web browser with some great features (e.g. mapping keyboard shortcuts to bookmarks.
Image iCab

Timeline 3D

Category Productivity
Price Free basic tier, $14.99 one-time upgrade
Scriptable Yes
Description An app for creating timelines and displaying them in 3D.
Image Timeline 3D