Open Source Pascal Software

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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.

  • Host LLMs in Production With On-Demand GPUs Icon
    Host LLMs in Production With On-Demand GPUs

    NVIDIA L4 GPUs. 5-second cold starts. Scale to zero when idle.

    Deploy your model, get an endpoint, pay only for compute time. No GPU provisioning or infrastructure management required.
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  • Catch Bugs Before Your Customers Do Icon
    Catch Bugs Before Your Customers Do

    Real-time error alerts, performance insights, and anomaly detection across your full stack. Free 30-day trial.

    Move from alert to fix before users notice. AppSignal monitors errors, performance bottlenecks, host health, and uptime—all from one dashboard. Instant notifications on deployments, anomaly triggers for memory spikes or error surges, and seamless log management. Works out of the box with Rails, Django, Express, Phoenix, Next.js, and dozens more. Starts at $23/month with no hidden fees.
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  • 1

    MinGW - Minimalist GNU for Windows

    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.
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    Downloads: 2,430,384 This Week
    Last Update:
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  • 2
    Lazarus

    Lazarus

    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.
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    Downloads: 21,471 This Week
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  • 3
    Double Commander
    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.
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    Downloads: 6,507 This Week
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  • 4
    CudaText

    CudaText

    Cross-platform text and code editor

    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
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    Downloads: 7,434 This Week
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  • AI-generated apps that pass security review Icon
    AI-generated apps that pass security review

    Stop waiting on engineering. Build production-ready internal tools with AI—on your company data, in your cloud.

    Retool lets you generate dashboards, admin panels, and workflows directly on your data. Type something like “Build me a revenue dashboard on my Stripe data” and get a working app with security, permissions, and compliance built in from day one. Whether on our cloud or self-hosted, create the internal software your team needs without compromising enterprise standards or control.
    Try Retool free
  • 5
    Free Pascal Compiler

    Free Pascal Compiler

    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.
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    Downloads: 5,061 This Week
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  • 6
    astap program

    astap program

    Stacking program, astrometric (plate) solver, fits file viewer

    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.
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    Downloads: 2,523 This Week
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  • 7
    Cheat Engine

    Cheat Engine

    A development environment focused on modding

    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.
    Downloads: 363 This Week
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  • 8
    PeaZip

    PeaZip

    Free Zip software and Rar extractor

    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.
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    Downloads: 1,382 This Week
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  • 9
    Sky Chart / Cartes du Ciel
    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/
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    Downloads: 1,287 This Week
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  • Stop Storing Third-Party Tokens in Your Database Icon
    Stop Storing Third-Party Tokens in Your Database

    Auth0 Token Vault handles secure token storage, exchange, and refresh for external providers so you don't have to build it yourself.

    Rolling your own OAuth token storage can be a security liability. Token Vault securely stores access and refresh tokens from federated providers and handles exchange and renewal automatically. Connected accounts, refresh exchange, and privileged worker flows included.
    Try Auth0 for Free
  • 10
    Free Manga Downloader 2

    Free Manga Downloader 2

    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.
    Downloads: 105 This Week
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  • 11
    Turbo Pascal (With DOSBox)

    Turbo Pascal (With DOSBox)

    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.
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    Downloads: 798 This Week
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  • 12
    libusbK

    libusbK

    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
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    Downloads: 560 This Week
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  • 13
    thumbapps

    thumbapps

    Freeware/FOSS portable apps for your Windows!

    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 versapps@gmail.com—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.
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    Downloads: 441 This Week
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  • 14
    HeidiSQL

    HeidiSQL

    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.
    Downloads: 64 This Week
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  • 15

    ZeosLib

    Database components for Delphi, FreePascal/Lazarus, Kylix, C++ Builder

    Note: Delphi NextGen support (Android, iOS, OS X,) has been added the Zeos 8.0 development version. Supported compilers start with Delphi XE 10.2 Tokyo. For problems please contact us in the forums on https://zeoslib.sourceforge.io. The ZeosLib is a set of database components for MySQL, MariaDB, PostgreSQL, Interbase, Firebird, MS SQL Server, SAP Adaptive Server Enterprise and Adaptive Server Anywhere (previously Sybase), Oracle and SQLite for Delphi, FreePascal/Lazarus and C++ Builder.
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    Downloads: 297 This Week
    Last Update:
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  • 16
    Transmission Remote GUI

    Transmission Remote GUI

    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.
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    Downloads: 226 This Week
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  • 17
    Subtitle Workshop

    Subtitle Workshop

    Free subtitle editor

    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.
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    Downloads: 1,005 This Week
    Last Update:
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  • 18
    Pascal XE

    Pascal XE

    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
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    Downloads: 442 This Week
    Last Update:
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  • 19
    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.
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    Downloads: 131 This Week
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  • 20
    Visual MASM

    Visual MASM

    Visual MASM - Assembly IDE for Microsoft MASM

    Create 16-bit, 32-bit and 64-bit Microsoft Windows and 16-bit MS-DOS applications with Visual MASM for Microsoft Macro Assembler (MASM).
    Downloads: 27 This Week
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  • 21
    [OFFICIAL] tinyfiledialogs C C++ v3.21.3

    [OFFICIAL] tinyfiledialogs C C++ v3.21.3

    inputbox password WIN OSX GTK QT Console VCPKG C# Lua R Fortran Pascal

    one C/C++ file & header ==> 8 functions: - beep - tray notify popup - message & question - input & password - save file - open file(s) - select folder - color picker complements OpenGL Vulkan GLFW GLUT GLUI VTK SFML TGUI SDL Ogre Unity3d ION OpenCV CeGui MathGL GLM CPW GLOW Open3D ImGui MyGui GLT NGL STB Nuklear Fenster MicroUi & head-less programs NO INIT NO MAIN LOOP NO LINKING NO INCLUDE win (XP to 11) ASCII MBCS UTF-8 UTF-16 (wchar_t) - native dialogs osx/unix ASCII UTF-8 - applescript kdialog zenity shanty … ° SSH console / X forwarding / waypipe Wayland ° the dialogs can be forced into console mode ° curses dialogs via Dialog.exe/Dialog (disabled by default) C89/C23 & C++98/C++23 compliant VisualStudio MinGW GCC Clang TinyCC IntelCC OWCC BCC SunCC on Windows Mac Linux Bsd Solaris Minix Raspbian Flatpak Haiku bindings: VCPKG C# R Lua Rust Haskell Java AllegroBasic Fortran Pascal D JavaScript Kotlin click tab 'Files' for prototypes
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    Downloads: 97 This Week
    Last Update:
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  • 22
    CEF4Delphi

    CEF4Delphi

    CEF4Delphi is an open source project to embed Chromium-based browsers

    CEF4Delphi is an open source project to embed Chromium-based browsers in applications made with Delphi or Lazarus/FPC for Windows, Linux and MacOS. CEF4Delphi is based on DCEF3 and fpCEF3. The original license of those projects still applies to CEF4Delphi. Read the license terms in the LICENSE.md file. CEF4Delphi was developed and tested on Delphi 12.1 and it has been tested in Delphi 6, Delphi XE, Delphi 10, Delphi 11 and Lazarus 3.4/FPC 3.2.2. CEF4Delphi includes VCL, FireMonkey (FMX) and Lazarus components.
    Downloads: 16 This Week
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  • 23
    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.
    Downloads: 81 This Week
    Last Update:
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  • 24
    UltraStar Deluxe

    UltraStar Deluxe

    A free sing-along karaoke game for your PC

    Karaoke sing-along game for PC which is similar to Playstation® Singstar™. It allows up to six players to sing along with music using microphones in order to score points, depending on the pitch of the voice and the rhythm of singing.
    Downloads: 65 This Week
    Last Update:
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  • 25
    FreeNFS

    FreeNFS

    Network File System (NFS Versions 2.0 & 3.0) for Windows

    FreeNFS is a NFS 2.0 and 3.0 Compliant Server for Windows. FreeNFSE is a NFS 2.0 and 3.0 Compliant Server for Windows to a Embedded System Client. Adding more protocols to better serve embedded systems and video streaming. Insure to read the Blog, for current information on whats new!
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    Downloads: 90 This Week
    Last Update:
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