Interlimiter
Per-app bandwidth limiter
Limit the download and upload speed of each program separately, or cut a program off the internet completely.
Free · Pro $14.99
Desktop software
You run your computer
Gelkansoft makes small Windows apps that do one job well. The free version of each app does the real work; Pro adds convenience and extra features.
- No account needed
- No ads, no tracking
- One-time payment
Products
Apps that do one job well
All of them run on Windows 10 and Windows 11.
BlockFocus
App and website blocker for focus
Start a focus session and the apps and websites that distract you stay closed until time is up.
Free · Pro $19.99
CloakPaste
Secret catcher before you paste into AI
Warns you when the text you copied holds an API key, card or ID number, right when you switch to an AI chat.
Free · Pro $19.99
Proofshot
Evidence-package tool for web pages
Saves a full-page image, network log and SHA-256 hashes into one case folder; Pro adds independent timestamps and a PDF report.
Free · Pro $14.44
CsvDrill
Windows tool for opening big CSV and TSV files
Open the big CSV and TSV files Excel can't, offline and read-only; search, sort and filter them. The free edition never expires.
Free · Pro $9
Howlog
Windows tool that turns clicks into a step-by-step guide
Records your clicks with screenshots and creates a numbered step-by-step guide. Everything stays on your computer. The free edition never expires.
Free · Pro $4.99
PassCrop
Windows tool that crops ID photos to the document size
Crops an ID photo to the document size you pick and prepares a 10 × 15 cm print sheet. Your photo stays on your computer. The free edition never expires.
Free · Pro $9
Our principles
How we work
Your data stays with you
Our apps need no account, use no cloud and collect no usage data. Even the license key is verified without an internet connection.
No subscription
Pro for our desktop apps is a one-time purchase. Nothing is charged every month.
Try it free first
The free versions have no time limit and show no ads. You only move to Pro if you need it.