OpenSource and free software

Website contains free software and code creation tips. Available programs are released under freeware license with the ability to view the source code. The software is written in two languages: PHP for Web servers and C# to be used on local computers.

Webpage was created to showcase my skills and make it easier for you to perform your tasks at work thanks to the supplied programs. There are available among others: document manager, SEO text generator, gathering information from Google on the location of the page in search results, automatic checking links to pages, generating and storing passwords, selecting e-mail addresses from files, encrypting text and files, extracting icons from programs, operations on graphic files, sending e-mails to customers or checking / generating checksums.

English: My name is Lucas and I have a question. Will you support me in the fight against brain tumor?

Donations by PayPal on


Receiver’s bank adress:
BNP Paribas Bank Polska SA
Oddział w Warszawie
ul. Grzybowska 4 
00-131 Warszawa, Polska


Donations in EUR:
IBAN: PL07 1600 1286 0003 0031 8642 6021

Donations in  USD:
IBAN: PL77 1600 1286 0003 0031 8642 6022

Donations in  other currencies:
IBAN: PL62 1600 1286 0003 0031 8642 6001

Fundacja Avalon - Bezpośrednia Pomoc Niepełnosprawnym
ul. Michała Kajki 80/82/1
04-620 Warszawa, Polska



If you would like to make a donation for a particular person, please fill the ID of that person (surname and the number of the subaccount) in the TRANSFER TITLE, eg. SOSNA, 711.

More information...


Element to handle redirects from a website

I created an element for redirects to external elements of the type of web pages. The current version of the admin system is v.2.297. I added a redirection element under the name: links. I placed it in the international section so that regardless of the defined language of the new element, it can be [...]

Plans for next year 2024

I have planned all sorts of work to release new versions of the software, as well as to create a service in which I will be able to track links from the Web to the pages of other libraries included in my programs. This will be a service that will redirect links and at the time count the number of tr [...]

Adding new photos from the construction of the bus station in Zabrze (Hindenburg)

Construction of the new bus square is underway. Inside you can already see the stops from where the buses will depart, there is also a stop available where all the people whose bus ends its route here will get off. On the upper platform there will be space for long-distance buses (PKS), so it will b [...]

My thoughts, photos, videos and other items

OxyContin - List of medications I have taken or am taking

Many people describe their medications that they have been taking for headaches. After a moment's consideration, I will also describe what we are dealing with in my case. At first it was paracetamol under different names. Then after the operation I switched to something stronger and started taking T [...]

Song on YouTube blocked due to possible mutilation

A song I really like by Numb/Encore band - Linkin Park ft. Jay Z (Unofficial Music Video) was available a few years on YouTube to watch or listen to at all without any warning. Now it says that in order to play you should know that watching it can lead to suicide or bodily mutilation. In order to pl [...]

Toilet in the St. Barbara's Hospital in Sosnowiec on 25.03.2022.

During a visit in the Regional Specialist Hospital No. 5 in Sosnowiec, just like every other person, after some time I wanted to go to the toilet. If you live in Poland you know what such toilets look like: handles in the strangers are unscrewed, there is no toilet paper, there is urine of other peo [...]

Feedback on programs I use

4K Video Downloader

Software that helps download videos from services that provide video files on their websites. Such a service is YouTube. Thanks to the software I can now download videos in a specified resolution to a specified folder on my disk. I can also download audio tracks to MP3 format. The program is paid, i [...]

Web applications

Software is designed for reporting and checking the current page rank in the search engine Google for the relevant keywords. Just add the address of your page, enter keywords...

The system is designed to keep track of links to their sites on the Internet. It is mainly thanks to them and appropriately selected and edited content page trunks in Google results.


I present WykopApi which is equipped with: browsing recommended posts, excavation entries, hit entries of the year, entries last month, last two months, last three months.

A tool designed to store your passwords on a web server. Thanks to encryption, these passwords are stored securely. Maybe you have been away from home where you use...


Program was created to the emission of letters the e-mail to the large group of receipts, thanks why one can behind his help realize newsletter.

Framework Yii has in its resources: change of operating language, components, caching, error handling, library for sending e-mail...


Program has in its capabilities placing tasks to be performed on the current day, important tasks, tasks planned for a given day...


Desktop applications

Tool designed to collect and describe documents. When you work in the office, you'll have big collection of documents or you want to scan documents in some logical way, DMS is the ideal solution.

Creating texts for websites can cause us problems if we want to create thematic texts. How many times can one write on the same subject? The tool makes it easy to create texts that are similar, but not identical.


phpBlueDragon Editor is very fast and lightweight allows you to edit files. With it you can create, among other things PHP files, HTML, XHTML, XML, CSS, JavaScript, and all kinds of text files.

It will be enough to add files or the entire folder, then to choose the extension and the folder of approach. After the click on the button Convert of the file will be copied to the exit-catalog , and their type will be changed.


Software permitting of wholesale the operation on display files enabling among other things: the change of their size, the change of the format of the picture, graduating in relation to the chosen value, [...]

The tool helping in generating of the difficult, random password from among signs chosen by the user. User can choose groups of capital letters, lower-case letters, figures, the sign of the minus, [...]


Tool permitting to generate to you the collection of hard passwords, not being with words coming from the dictionary. The application of such passwords facilitates to users by means of the method brute-force will get for account of in the any facultative service.

Tool permitting the extraction from programs EXE icons which the given file contain. We choose by means of the button Browse the program file, then clicked into the button Extract icon and we receive the first icon which contains indicated by us the file.


Software designed for the purpose of the choice from the any file of all strings reminding in its composition addresses the e-mail. We choose the file by means of the button Browse, and then we click into [...].

Thanks to this program we can encrypt and to decode our text which we wanted to protect before other persons. Fields permitting the inscription of the text and the password will permit us his encipherment [...]


Software whose main task is the encrypt and the decryption of the indicated file with the algorithm AES. We find the file which is supposed to remain the subject to the encrypt or to the decryption, [...]

Program allows you to generate a checksum of the file that you have. In addition, you can also generate the same MD5 checksum specify located on the webpage from which the file download [...].


CRC32 is used to generate file which is located on your computer. Besides generating also allows to verify that our sum agrees with the checksum given on the webpage from which the file comes.

Generates SHA1 checksum of the file which you add using the browse button to the program. It also allows you to verify that it matches the SHA1 code found on the webpage from download.


Thanks to the program we check SHA256 checksum chosen files. After its processing program will display a result of his actions. In addition, you can use the program also compare the resulting sum of the value.

Program calculates the SHA384 checksum file, which will be given in a special window using the browse button. With its help, you can also compare the value received by us with the value available on the webpage.


Software generates a checksum SHA512, thanks to which we can compare the authenticity of the file on your hard disk with a file available for download on the website.

Program is designed to generate control sums such as: MD5, CRC32, SHA1, SHA256, SHA384, SHA512. Thanks to one program you will be able to generate control sums ...


phpBlueDragon LocalMailer system is designed mainly for people who want to send their letters to a large audience without having to send [...].

phpBlueDragon CodeGenerator is used to generate barcodes or symbols. You can also choose the size of the graphic file presenting code ...


Tool designed to store passwords in a safe place thanks to their encryption. Allows you to create an unlimited number of files, each containing a set of passwords. Passwords are protected by encryption with a separate key for all information in the file. A separate key is created for each file.



Catalogue containing all places where you can receive physiotherapy.

Catalogue containing all places where you can find med. objects - inactive.


Catalogue containing all places where are medical practices.

Catalogue containing all places where are medical objects.


Catalogue containing all places with inactive medical practice.

Catalogue containing all places with nurse practice.