This software scans a text file (in this sense HTML and XML files are 'text' files) and counts the frequencies of different words. The words which are found and displayed can be ordered alphabetically or by frequency. Characters which ...

A program to convert between dates in the Chinese, Vietnamese and Japanese lunar calendars and dates in the Gregorian and Julian calendars, and to find lunar new year's day and leap months for any year in the Asian calendars.

A program for secure file deletion which destroys (by overwriting) data in multiple files and multiple folders so that the data cannot be recovered. Single-file or batch-mode operation. Can delete 'old' files.

Adds or subtracts a number of days or months to a date, calculates the number of days between two dates, and converts among dates in various solar calendars: Gregorian, Julian, ISO 8601 Week, Hermetic Leap Week and day-in-year (yyyy-ddd).

Converts from GIF, JPG, PNG and BMP graphics files to JPG, PNG and BMP files. Allows single or multiple file conversion. Can convert to JPGs over a range of quality/compression values for optimization. Converted files displayed in your browser.

This program iss an interactive TABLE generator which handles COLSPAN and ROWSPAN, thus enabling creation of complex tables with cells larger than 1x1. Cell specifications can include cell content, font name, font size, color, etc.

A program to find prime numbers and pairs of primes, to decompose numbers into their prime constituents, to find all factors of any positive integer up to 2,147,483,645, and to plot Erdos-Kac and Palmen Color histograms.

A steganography program which allows you to encrypt and hide a file of any size in BMP image files, with or without the use of a stego key, so that the presence of the hidden file is undetectable, even by software using statistical methods.

A web authoring tool which scans an HTML or PHP file, counting the number of occurrences of words and how they are used, and produces an appropriate keywords meta tag for the document. Customizable operation and it works with non-English text.

A program to search for eclipses (lunar, solar, total, annular and umbral), to calculate the phase of the Moon at any given date and time and to convert between dates in the Gregorian and Julian calendars and dates in five lunar calendars.

Windows software for encryption and decryption of single files or multiple files in a single operation for secure storage or secure transmission. It uses a 500-bit key for security, and has features designed to minimize the chances of user error.

Software for exploring five cellular automata: q-state Life (a generalization of Conway's Life), the Belousov-Zhabotinsky Reaction, Togetherness, Viral Replication and Diffusion-Limited Aggregation.

The Prime Number Spiral (a.k.a. the Ulam Spiral) is formed by marking the prime numbers in a spiral arrangement of the natural numbers. This is software is for exploring the Prime Number Spiral.

Easy Email Encryption Lite is for sending and receiving encrypted email messages (up to 40 KB) and is designed to be both secure and easy to use. It uses a symmetric key method. It works with any email program. Bilingual, English/German.

A web authoring tool which acts on an HTML document, counting the number of occurrences of words and how they are used, and produces an appropriate keywords meta tag. The Advanced Version can act on multiple documents in a folder and its subfolders.

Scans a copy of your website on your hard disk and generates an XML Sitemap. Automatic setting of the 'change-frequency' and 'priority' tags is supported.

This software is for indexing text files, HTML files, XML files or files of a similar type in multiple folders and their subfolders to allow subsequent quick searching of those files.

This software scans one or more text or text-like files (e.g. HTML files) and counts the number of occurrences of different words or phrases (optionally with pattern matching). The words/phrases can be displayed alphabetically or by frequency.

Adds a number of days to a date, gets the number of days between dates, and converts among dates in various calendars: Gregorian, Julian, ISO 8601 and more. Supports batch processing and has a built-in programming language for custom calculations.