Folio
A cross-platform Markdown editor and viewer with source editing, a themed preview, and PDF export. It supports mathematical notation and diagrams as well as ordinary Markdown documents.
Folio on GitHubCurrent projects and earlier tools
Projects.
Current personal software, followed by an archive of earlier Windows and DOS tools.
The current projects are on GitHub, with their source code and documentation. The historical releases below retain their original download links.
Current personal projects.
Anniversary
A desktop app for name days, birthdays, and anniversaries. The current cross-platform version uses Avalonia and .NET and runs on Windows, macOS, and Linux.
Anniversary on GitHubWindows programs.
These historical programs are available for free use in their original form, without updates or support. This is not a grant of permission to modify or redistribute modified versions. The original Windows downloads are executable installation packages.
These are historical releases for older systems, not maintained software for current versions of Windows.
Anniversary (legacy Windows)
Reminders for holidays, birthdays, and anniversaries, with an editable database and a seven-day look ahead.
This is the older Windows release, separate from the current GitHub project.
Download Anniversary (.exe)Dictionary
A vocabulary-learning tool with browsing, search, import, export, printing, and practice tests.
Download Dictionary (.exe)CityCode PSC
A browser for the historical Czech postal-code database distributed with the program.
Download CityCode PSC (.exe)Contacts
Contact information organized in a tree, with addresses, telephone numbers, email, birthdays, and a calendar.
Download Contacts (.exe)Conversion
A utility with more than 3,500 unit conversions, including length, volume, temperature, pressure, and time.
Download Conversion (.exe)CZConvert
Conversion between Czech character encodings and line endings, with file, clipboard, and command-line support.
Download CZConvert (.exe)InkMonitor
An estimate of printer ink or toner usage based on the number of printed pages.
Download InkMonitor (.exe)TesterBV
Software developed for LMR to analyze the technical condition of mining cars, with graphs and reports.
Retained here for reference; no download is linked.
Verses
A Bible-verse display and memorization tool with an editable verse database.
Download Verses (.exe)DOS programs.
These downloads are ZIP archives containing the original DOS programs.
Start System
A launcher for DOS programs, similar in purpose to Windows PIF files.
Download Start System (.zip)Watch / H
An analog clock.
Download Watch / H (.zip)CZKonv
Command-line conversion between Czech character encodings and line endings.
Download CZKonv (.zip)CZKonv2
A second archived version of the DOS character-encoding conversion tool.
Download CZKonv2 (.zip)Historical support files.
These installers were listed with the original Windows programs. They target older systems and should not be used as a general repair for a current Windows installation.
Visual C++ runtime
The archived runtime package containing files such as mfc42.dll and msvcrt.dll.
Download vcredist.exeCommon Controls update
The historical comctl32.dll update listed for Contacts.
Download 50comupd.exeDAO / Jet database support
The historical database-support package listed for eAttendance, ePost, Dictionary, and CityCode PSC.
Download dao.exe