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Get free software for DOS from PTSource. Find and get the latest free PTSource software, apps, development tools, libraries and documentation. We can customize and enhance our existing solution to fit your needs or build new innovative applications that improve productivity and efficiency.

List updated 15/07/2024

PTSource Basic
PTSource Basic is a revival, 100% compatible clone of Microsoft GW-BASIC and IBM BASICA optimized for PTSource MiniVMDOS. Designed for both nostalgia and functionality, PTSource Basic enhances the original features with improved performance, and support for contemporary hardware and software environments. This new iteration preserves the simplicity and accessibility that made GW-BASIC and IBM BASICA beloved by hobbyists and educator. PTSource Basic provides a perfect blend of traditional programming ease and modern efficiency, making it an good choice for enthusiasts and newcomers alike.

  • 100% GW-BASIC and IBM BASICA Compatible
  • PTBasic Compiler Included (PTBASCOM.EXE)
  • PTBasic Linker Included (PTBASLNK.EXE)
  • PTBasic Distribution Runtimes Included (PTBASRUN.EXE)
  • PTBasic Syntax Highlighter TSR Included (PTBASSYN.COM)
  • GW-Basic Documentation in (*.CHM) format Included
  • Source samples Included
  • Optimized for PTSource MiniVMDOS
  • Works in any DOS Operating System

To open the interpreter and editor just type


To compile a bas into a obj file just type

ptbascom yourfile; 

To link a obj into a exe file just type

ptbaslnk yourfile;

To load the syntax highlighter TSR just type

To unload the syntax highlighter TSR just type
ptbassyn /u

PTSource Disk Stats
PTSource Disk Stats gives you detailed statistics about all your fixed disk drives. Key details include the total capacity of each drive, the amount of used and free space, and the number of files and directories stored helping users manage and optimize their storage effectively.

PTSource ADDPATH modifies the working path for DOS environments by prepending (“-p”) or appending (“-a”) a new path node to an existing path environment or by replacing (“-r”) an old path node (“oldpathnode”) with a new path node (“newpathnode”) within the existing path. For the -r option, the field specifying “newpathnode” can be empty, thus deleting “oldpathnode” from the search path entirely.

PTSource Ansi Animation and Music Viewer
PTSource Ansi Animation and Music Viewer. The ANSI Standard (used for color text and IBM-specific characters) was expanded to include the ability to generate notes. By including these codes in some ANSI screens, music could be played if the terminal program or viewer knew what to do (most did not). Such was the short, intense life of ANSI Music.

  • Displays ANSI even if ANSI.SYS is not loaded
  • Plays ANSI animations
  • Plays ANSI music
  • Works with fast and slow processors alike
  • Optimized for PTSource MiniVMDOS
  • Works in any DOS Operating System

PTSource Screen Debut
PTSource Screen Debut is a very powerful ANSI screen generator. It's designed as a tool to ease the development of ANSI text screens. It generates code for screens in many different ways.

  • Generates ANSI animations
  • Generates Ansi and ASCII Code
  • Generates BASIC Code with & without line numbers plus BSAVE.
  • Generates C Code for Turbo C.
  • Generates Pascal Code For use with Turbo Pascal.
  • Optimized for PTSource MiniVMDOS
  • Works in any DOS Operating System

PTSource SET
PTSource SET is a SET enhancement with many new features. The SET command is used to set values that will be used by programs. DOS holds the set strings in the area of memory reserved for the environment (if the string already exists in the environment, it is replaced).

PTSource Fast File Find
PTSource Fast File Find is a program that is functionally similar to the familiar WHERE. It will search on or more disks, looking for files whose names match a specified pattern. The major difference between Fast File Find and other programs of its type is that Fast File Find can, optionally, look for files inside of any of six of the more popular archive file formats, .ARC (or &PKA), .ARJ, .LZH, .PAK, .ZIP, and .ZOO.

PTSource Load Sys
PTSource Load Sys is a DEVLOAD enhancement with many new features. DEVLOAD provides a method of loading device drivers from the command line under MS-DOS, rather than having to re-boot in order to load extra drivers.

PTSource XCopy
PTSource XCopy is a XCOPY enhancement with many new features. XCOPY is a much more powerful copying command than the COPY command. It is especially useful when backing up your fixed disk. A common usage would be to use the /S option along with the /D:date option to back up only the files that have been changed since the date of your last backup.

PTSource DMI
PTSource DMI shows in a graphical display disk and memory usage. Memory and hard disk are two essential components of a computer system. Memory refers to the temporary storage used by a computer to perform its operations, while a hard disk is a permanent storage device used to store data and programs.

PTSource CAL
PTSource CAL is an enhanced version of the unix cal command. It is compatible to the unix version in that it uses the same input arguments and its output may be piped or redirected anywhere. PTSource CAL displays a calendar for a specified year, a specified month and year, or for the current date. By default, it displays a calendar for the current system-date month, with the current day hilighted.

PTSource TASM Editor
PTSource TASM Editor is especially suited to Assembly Language, or any Command-Line compiler. If you're using MASM or TASM or a similar product, you can edit your programs and assemble them right from the Editor.

PTSource VI
PTSource VI is a aspiring VI clone. The VI editor is a powerful text editor available on almost all Unix systems. It is a very versatile text editor with many features that make it ideal for editing text files. The VI editor is a very user-friendly text editor with a wide variety of features that make it a great choice for editing text files.

PTSource FTE
PTSource FTE is a optimized PTSource MiniVMDOS port of the FTE editor avaliable here. FTE is a free (licensed under the GNU GPL) text editor for developers. It is really powerful, yet very easy and intuitive to use.

  • Syntax highlighting and syntax-aware autoindent for many languages / file formats
  • User-definable syntax highlighting
  • Parenthesis matching
  • Parsing of compiler output
  • Parsing of “grep” output
  • Simple handling of several open files / directory views
  • Several variations of the “copy'n'paste” mechanism
  • Many Line transformation operations
  • Optimized for PTSource MiniVMDOS
  • Works in any DOS Operating System

PTSource FTE
PTSource THE is a optimized PTSource MiniVMDOS port of the THE editor avaliable here. THE is a free (licensed under the GNU GPL) text editor for developers and is available for various Unix platforms (either a text-mode application or as a native X11 application), QNX, OS/2, DOS, Amiga and Windows. Like its relatives, THE uses Rexx as its macro language, which means that THE is a highly configurable and versatile editor.

  • Syntax highlighting and syntax-aware autoindent for many languages / file formats
  • User-definable syntax highlighting
  • REXX Integration
  • Macros
  • Optimized for PTSource MiniVMDOS
  • Works in any DOS Operating System

PTSource Tiny Editor
PTSource Tiny Editor is a tiny text editor, occupying just 6KB of memory written entirely in Assembly language for DOS machines. Designed for minimalism and speed, it offers basic text editing capabilities such as opening, editing, and saving plain text files. The editor features a straightforward user interface, which ensures swift performance even on the most modest hardware. Despite its small footprint, it provides essential functions like cut, copy, paste, and simple search, making it a perfect tool for users who need a lightweight, resource-efficient text editor on DOS systems.

PTSource Easy Editor
PTSource Easy Editor is a small EMACS style text editor. It has all of basic editing functions like search/replace, block delete/paste, word wrap/paragraph fill etc. It is small enough to maintain when you have a new OS, or just changed your taste of style. Compromises have to be made to make PTSource Easy Editor small and useful.

  • If tab characters are find, it will expand/compress the file. Otherwise it keep the spaces (good for fixed format data file).
  • It uses two windows, but only keeps one file structure in buffer. It works just like windows.
  • Optimized for PTSource MiniVMDOS
  • Works in any DOS Operating System

PTSource APPLER is a optimized PTSource MiniVMDOS port of the APPLER apple emulator avaliable here. APPLER is a free (Boost Software License) Apple ][ emulator for IBM PC, written in 8088 assembly, running on DOS systems. It was developed in 1990, at a time when Apple IIe was still in production, so APPLER is one of the first Apple ][ emulators ever made, it is probably also the fastest, although this distinction is no longer important.

WATTCP Library for C/C++
TCP/IP is a data link protocol used on the internet to let computers and other devices send and receive data. Wattcp is a library for C that will allow you to add TCP/IP connectivity to a program. Many programs written for DOS networking are based on.

  • Borland C/C++ 3.1
  • Microsoft C 5/6
  • Optimized for PTSource MiniVMDOS
  • Works in any DOS Operating System

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