Factodus small, careful software

Tools that do one job well and say plainly what they do to your files or your messages, and what they do not.

Products

Four product lines so far

ShelfSpace in the Diorama theme: four games as boxes on a shelf under a hydraulic press, with an estimate of 2.6 GB that LZX can free
For PC gamers · Windows 10 and 11

ShelfSpace

Win back disk space from your game library without breaking a single game. ShelfSpace compresses installed games in place with the compression built into Windows, estimates the savings first and can undo it at any time.

  • Estimate first: a low–high range for every game
  • XPRESS and LZX, with pause, resume and cancel
  • No admin rights, no account, no telemetry
Queue Studio for RabbitMQ in a JetBrains IDE: the broker tree and 20 messages peeked from the demo.payments queue
For developers · message brokers

Queue Studio

See what is actually in your queues, from the IDE or editor you already have open. Peek without side effects where the broker allows it, warn before every read where it does not.

  • Dead letters leave the source only after the broker confirms each copy
  • Three tools: RabbitMQ, Amazon SQS and Azure Service Bus
  • Local emulators, and private clusters through an SSH bastion
Logline in WebStorm: each console.log line of server.ts ends with its latest value, and an error shows in red at the line that threw
For developers · WebStorm and IntelliJ IDEA

Logline

Inline console.log for JetBrains IDEs: values, errors and network calls of your running Node and Vite apps appear right next to the code that produced them.

  • Free: logs and errors inline, from run configurations and the terminal
  • Pro: logpoints without editing files, network calls inline
  • Pro: AI agents can read events and set logpoints through the IDE’s MCP server
The EliteCalc name in glowing cyan next to a dark metal calculator with raised silver keys
For Android · 7.0 and later

EliteCalc

A calculator that feels like a real object in your hand: a brushed-metal body, keys that float on a magnetic field, and shadows that move as you tilt the phone.

  • Keys sink when pressed and wobble back, with a haptic tap
  • The result updates as you type, so there is no “=” key
  • 7 days free, then one purchase: no subscription, no ads