Free software

Tired with most of the applications either being loaded with ads or having most useful features limited, I decided to create some tools myself. They are here, feel free to use them for private or commercial purposes.

If you find them useful, consider supporting my work.

Thank you!

Disclaimer

Last updated: 09.11.2026

The applications, software, tools and related content (“Software”) on this webpage are provided free of charge by Maciej Karaszewski (“I”, “me”, “my”) for general use.

1. No warranty
The Software is provided “as is” and “as available”, without any warranty, express or implied. This includes, without limitation, warranties of merchantability, fitness for a particular purpose, accuracy, reliability, security, compatibility and non-infringement. I do not guarantee that the Software will be error-free, uninterrupted, free of viruses or other harmful components, or that defects will be corrected.

2. Limitation of liability
To the fullest extent permitted by applicable law, I am not liable for any direct, indirect, incidental, special, consequential or punitive damages arising from the use of, or inability to use, the Software or this website. This includes loss of data, profits, revenue, business or goodwill, hardware damage, or system failure, even if I have been advised of the possibility of such damages.

3. Use at your own risk
You download, install and use the Software at your own risk and discretion. You are solely responsible for any damage to your device or system and any loss of data that results. Please back up your data before installing or using any Software.

4. No professional advice
Information on this website is for general purposes only and does not constitute professional, technical, legal or financial advice.

5. Third-party content and links
This website and the Software may contain links to, or rely on, third-party websites, libraries or services. I have no control over them and accept no responsibility for their content, availability or practices.

6. Changes and availability
I may modify, suspend or discontinue the Software or this website at any time, without notice and without liability.

7. Statutory liability
Nothing in this disclaimer excludes or limits liability that cannot be excluded or limited under applicable law, in particular liability for intent or gross negligence.

8. Governing law
This disclaimer is governed by the laws of [Switzerland], and the courts of [city/canton] have exclusive jurisdiction, to the extent permitted by law.

9. Acceptance
By using this website or downloading any Software, you agree to this disclaimer. If you do not agree, please do not use the website or the Software.

10. Data collection
I respect your privacy. The Software does not collect, store or transmit any personal data, usage statistics or other information to me or to any third party. Everything you enter or create with the Software stays on your own device.

My hosting provider may process technical data, such as IP addresses, in server logs to deliver and secure this website. I do not have access to this data for any other purpose.

Microsoft Windows

Directory backup tool with file versioning

Easy to setup, small tool which makes backup copies of your files into another location. Files are versioned, so you can come back in time if you wish. The app can start with Windows minimized, so it does not bother you with any pop-ups or anything like that.

You can download it using one of the links below. Please be aware that executable is not yet digitally signed, so you may get some warning from Windows Defender.

Download linkVersionSHA256
https://karaszewski.ch/wp-content/uploads/2026/11/depcheck-1.0.0-setup.zipInstaller, 1.0.0cccb48637e17ecc4a1bf87f87def4f0b48944cf3fc880385197cc8c92d7bce00
https://karaszewski.ch/wp-content/uploads/2026/11/depcheck-1.0.0-win-x64.zipPortable, 1.0.0e2ed8f622f0c32d7e4792abb595b6d87e228fff2bc9838ff7be1cb03d9471787
Dependency (DLL) viewer – for modern Windows

Once upon a time, there was a great application called DependencyWalker. It allowed to investigate all DLLs being loaded (or failing to do so) on your Windows machine. Due to evolution of Windows, this tool stopped working properly and I couldn’t really find replacement which would be able to analyze late-loaded DLLs (i.e. while the app is running). Therefore I created my own.

This application allows you to run static analysis (without running analyzed executable) but also dynamic one, listing all lazy-loaded libraries and called functions.

You can download it using one of the links below. Please be aware that executable is not yet digitally signed, so you may get some warning from Windows Defender.

Download linkVersionSHA256
https://karaszewski.ch/wp-content/uploads/2026/11/BackupTool-1.0.0-setup.zipInstaller, 1.0.0cb2f026f0511458ec7fd7582426019e27d53056e9090a51be83037926d0ec87d
https://karaszewski.ch/wp-content/uploads/2026/11/BackupTool-1.0.0-win-x64.zipPortable, 1.0.0b2ec5d66a327c72f5795d6ef732898e9b89307c846e67f9fbdef70e575d07a1d

Android

Location reminder (PinBell)

Have you ever had a situation that you wanted to buy something in that particular shop while going home from work, but it always slipped your mind? I had, many times, but not any more – with PinBell app.

It allows to define reminders which are triggered if you are close to some location. Any number of reminders, any radius.

Just remember to block your phone for putting the app to sleep / terminating it. It also needs permissions for accessing location and showing notifications – kind of obvious for this type of app.

You can download it from Google Playstore:

TODO