Browse free open source Pascal Software and projects below. Use the toggles on the left to filter open source Pascal Software by OS, license, language, programming language, and project status.
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Custom VMs From 1 to 96 vCPUs With 99.95% Uptime
General-purpose, compute-optimized, or GPU/TPU-accelerated. Built to your exact specs.
Live migration and automatic failover keep workloads online through maintenance. One free e2-micro VM every month.
A native Windows port of the GNU Compiler Collection (GCC)
MinGW: A native Windows port of the GNU Compiler Collection (GCC), with freely distributable import libraries and header files for building native Windows applications; includes extensions to the MSVC runtime to support C99 functionality. All of MinGW's software will execute on the 64bit Windows platforms.
Rapid applications development tool and libraries for FPC
The Lazarus IDE is a stable and feature rich visual programming environment for the FreePascal Compiler. It supports the creation of self-standing graphical and console applications and runs on Linux, FreeBSD, MacOSX and Windows.
Free 32/64/16-bit multi-platform Pascal and Object Pascal compiler
A 32/64/16-bit Pascal compiler for Win32/64/CE, Linux, Mac OS X/iOS, Android, FreeBSD, OS/2, Game Boy Advance, Nintendo NDS and DOS; semantically compatible with Delphi, Borland Pascal and Mac Pascal (partially) with extra features, e.g. operator overloading.
Double Commander is a cross platform open source file manager with two panels side by side. It is inspired by Total Commander and features some new ideas.
Cross-platform code editor, with syntax highlight for 300+ languages. Has lite interface with tabs. Has JSON config files instead of the options dialog. Supports Python extensions. Documentation wiki: http://wiki.freepascal.org/CudaText
PeaZip is a free archiver tool. The application provides an unified, natively portable, cross-platform file manager and archive manager GUI for many Open Source technologies like 7-Zip, FreeArc, PAQ, UPX.
Create: 7Z, ARC, Brotl, BZip, GZip, PEA, TAR, WIM, XZ, ZPAQ, ZIP, Zstandard files and more
Open and extract 200+ file types: ACE, CAB, DEB, ISO, RAR, ZIPX and more
Features of PeaZip includes extract, create and convert multiple archives at once, create self-extracting archives (sfx), split files, strong encryption with two factor authentication, encrypted password manager, secure deletion, find duplicate files, calculate hashes, export task definition as command line script.
ASTAP, Astrometric STAcking Program, astrometric solver and FITS image viewer. This program can view, measure, "astrometric (plate) solve" and stack deep sky images.
Main features:
- Stacking of astronomical images including dark frame and flat field correction
- Native fast astrometric (plate) solver.
- Alignment using an internal star match routine, internal Plate Solver, manual or ephemeris.
- FITS viewer with swipe functionality, deep sky and star annotation, photometry and CCD inspector.
- Annotation of solar and deepsky objects.
- Photometry of point sources, extended sources and variable stars
- Blink routine for astro images.
Cheat Engine is an open source development environment that’s focused on modding, or modifying single player games running under window so you can play them according to your personal preferences. You can make games harder or easier as you wish, through various mod options. It also comes with many other features to help debug games and other applications, and protect your system by letting you inspect memory modifications by backdoors.
Cheat Engine also comes with extensive scripting support, so experienced developers can create and share their own applications with ease.
SkyChart is a software to draw chart of the night sky for the amateur astronomer from a bunch of stars and nebulae catalogs. See main web page for full download.
This software is part of a full suite for astronomical observation:
https://sourceforge.net/projects/ccdciel/
https://sourceforge.net/projects/indistarter/
https://sourceforge.net/projects/eqmodgui/
Requirement:
https://sourceforge.net/projects/libpasastro/
See also:
https://sourceforge.net/projects/indi/
Paessler: Easy to Use With Enterprise Power. Free Trial
A low-code dashboard makes monitoring intuitive for any admin, while scripting and custom sensors give experts full control.
You shouldn't have to choose between a monitoring tool that's easy to use and one that's powerful enough for a complex environment. PRTG's low-code interface lets any admin build dashboards, set alerts and monitor devices without scripting, while custom sensors and full API access are there when your team needs deeper control. One platform, no compromise. Download a free 30-day trial now.
RDP Wrapper is a Windows-based utility that enables Remote Desktop functionality on systems where it is normally restricted, such as Home editions of Windows, by acting as a compatibility layer between the operating system and the Remote Desktop Services. Instead of modifying system files directly, it wraps around the existing RDP service, allowing multiple concurrent sessions and host capabilities without altering core system components. This approach helps preserve system integrity while unlocking features that are typically reserved for higher-tier Windows editions. The tool relies on configuration files that adapt to different Windows versions, ensuring compatibility across updates. It also includes diagnostic tools that allow users to verify service status, listener availability, and configuration health. RDP Wrapper is particularly useful for home users and developers who need remote access capabilities without upgrading their operating system.
A complete software solution for windows usb devices
libusbK is a complete driver/library solution for vendor class usb device interfaces. If you are a usb developer or usb device manufacturer seeking a driver solution for a new USB widget then libusbK could be for you.
libusbK encompasses a 100% WinUSB compatible api/funtion set. All WinUSB power/pipe polices are fully supported by the libusbK driver. In Addition, libusbK has full support for isochronous endpoints and an extensive set of additional modules to simplify development.
Source code repository using github:
https://github.com/mcuee/libusbk
We believe that free/open source softwares are enough, we don't need pirated softwares on Windows. But most of these aren't portables, or provided by PortableApps.com due to .NET dependencies, 64-bit etc. So we provide what's missing here.
Software publisher who wishes their portablized software taken down, can tip us at https://www.thumbapps.org/2014/11/Contact-Us.html or [email protected]—we might not be able to respond promptly, but we eventually *will* ...thanks for your patience, and sorry for being such a #naughtyuploader ;)
Disclaimer. All softwares are distributed in the hope that they will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. YOU USE AT YOUR OWN RISK. THE AUTHOR WILL NOT BE LIABLE FOR DATA LOSS, DAMAGES, AND LOSS OF PROFITS OR ANY OTHER KIND OF LOSS WHILE USING OR MISUSING THESE SOFTWARES.
A lightweight client for managing MariaDB, MySQL, SQL Server, etc.
HeidiSQL is a lightweight, open-source client for managing relational databases. It provides a user-friendly interface for browsing and editing data, creating and modifying tables, and executing SQL queries. HeidiSQL supports various database systems, making it a versatile tool for developers and database administrators.
Free open source application for managing and downloading manga
This is an active fork of the Free Manga Downloader which is a free open source application written in Object Pascal for managing and downloading manga from various websites. The source code was released under the GPLv2 license.
Free compiler and development environment for Pascal
Turbo Pascal (With DOSBox) (TPWDB) is a free and open source compiler and Integrated Development Environment (IDE) for Pascal language on Windows 64 Bit and 32 Bit. Using basic Pascal programming, many functions, no need to install multiple steps and integrate some other tools.
Database components for Delphi, FreePascal/Lazarus, Kylix, C++ Builder
The ZeosLib is a set of database components for MySQL, MariaDB, PostgreSQL, Interbase, Firebird, Microsoft SQL Server, SAP Adaptive Server Enterprise and Adaptive Server Anywhere (previously Sybase), Oracle, SQLite, OleDB, DuckDB and QuestDB for Delphi, FreePascal/Lazarus and C++ Builder.
A cross platform front-end for the Transmission BitTorrent client.
Transmission Remote GUI is a feature rich cross platform front-end to remotely control a Transmission Bit-Torrent client daemon via its RPC protocol. Transmission Remote GUI is faster and has more functionality than the built-in Transmission web interface.
Transmission 1.40 or later is supported.
Transmission Remote GUI is developed using Lazarus RAD and Free Pascal compiler.
Goverlay is an easy graphical interface to configure MangoHud
Goverlay is a graphical configuration tool designed to simplify and centralize the management of performance and visual enhancement utilities for Linux gaming environments. It provides an intuitive user interface that allows users to configure tools such as MangoHud for real-time performance monitoring, vkBasalt for post-processing effects, and OptiScaler for advanced upscaling techniques. By abstracting complex configuration files into a visual interface, it makes advanced system tuning accessible even to users who are not comfortable editing text-based configs. The software is particularly useful for gamers seeking to optimize frame rates, visualize system metrics, or enhance graphical fidelity without manually managing multiple tools. It supports multiple installation methods including Flatpak and AppImage, ensuring accessibility across different Linux distributions.
Subtitle Workshop is a free application for creating, editing, and converting text-based subtitle files. It supports all the subtitle formats you need and has all the features you would want.
NetTime is a simple, free time synchronization client for Win32, providing a client and server for SNTP and RFC868. Its main claim to fame is that it is small, simple and unobtrusive.
Bricx Command Center (BricxCC) is a highly popular Windows-based IDE for programming LEGO programmable bricks using NQC as well as MindScript, LASM, C++, C, Pascal, Java, and Forth. Program the new NXT brick using NBC and NXC.
Pascal XE is an easy to use IDE for Pascal programming.
Pascal XE is an IDE for Pascal programming, it is user friendly and designed specially for beginners in programming.
Pascal XE includes 3 free compilers:
- Virtual Pascal Compiler 2.1.279 (default)
- Free Pascal Compiler 3.0.4
- GNU Pascal Compiler 20070904
Report Manager is both a print scheme designer (report) and a high level printing (reporting) engine. Also a TCP Report Server and a Web Report Server (PDF on the fly), supports Windows and Linux.
Connectivity to almost all databases is provided.
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