Thoughtful software. More human possibility.
Open-source software that fills the gaps, developed for fun and with love by freevia.
Explore Freevia on GitHub
QC Remote
Control your Quad Cortex from an app—or let an AI assistant help build, explore and refine your rig.

Sudoku Buddy
Scan a paper puzzle, check your progress and get a useful hint—then keep solving with your pencil.
Backgammon Buddy
Find stronger moves, understand why they work and learn from commentary as you play.
Rubik Buddy
Point your camera at a 3x3 cube and get a step-by-step solution. On-device, offline, no ads or tracking.
Real product screenshots where shown. Backgammon Buddy uses its app mark and Rubik Buddy an illustration; Backgammon Buddy is available only to invited internal testers and Rubik Buddy is not on Google Play yet.
Useful tools for
overlooked needs.
FreeX explores a local-first home for standard workbooks; pyquadcortex provides Python tools for compatible music hardware. Different needs, same idea: make the missing piece and share it.
FreeX
A local-first spreadsheet app for standard workbook files.
pyquadcortex
Python tools for compatible music hardware and automation.