Open Source Lazarus Software

Lazarus Software

Lazarus Clear Filters

Browse free open source Lazarus Software and projects below. Use the toggles on the left to filter open source Lazarus Software by OS, license, language, programming language, and project status.

  • Our Free Plans just got better! | Auth0 Icon
    Our Free Plans just got better! | Auth0

    With up to 25k MAUs and unlimited Okta connections, our Free Plan lets you focus on what you do best—building great apps.

    You asked, we delivered! Auth0 is excited to expand our Free and Paid plans to include more options so you can focus on building, deploying, and scaling applications without having to worry about your security. Auth0 now, thank yourself later.
    Try free now
  • Context for your AI agents Icon
    Context for your AI agents

    Crawl websites, sync to vector databases, and power RAG applications. Pre-built integrations for LLM pipelines and AI assistants.

    Build data pipelines that feed your AI models and agents without managing infrastructure. Crawl any website, transform content, and push directly to your preferred vector store. Use 10,000+ tools for RAG applications, AI assistants, and real-time knowledge bases. Monitor site changes, trigger workflows on new data, and keep your AIs fed with fresh, structured information. Cloud-native, API-first, and free to start until you need to scale.
    Try for free
  • 1
    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.
    Leader badge
    Downloads: 14,356 This Week
    Last Update:
    See Project
  • 2
    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.
    Leader badge
    Downloads: 10,460 This Week
    Last Update:
    See Project
  • 3
    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.
    Leader badge
    Downloads: 3,269 This Week
    Last Update:
    See Project
  • 4
    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/
    Leader badge
    Downloads: 1,619 This Week
    Last Update:
    See Project
  • Nonprofit Budgeting Software Icon
    Nonprofit Budgeting Software

    Martus Solutions provides seamless budgeting, reporting, and forecasting tools that integrate with accounting systems for real-time financial insights

    Martus' collaborative and easy-to-use budgeting and reporting platform will save you hundreds of hours each year. It's designed to make the entire budgeting process easier and create unlimited financial transparency.
    Learn More
  • 5
    Nikkho

    Nikkho

    Javier Gutiérrez Chamorro (Guti) Open source projects

    Javier Gutiérrez Chamorro (Guti) Open source projects Author's website: https://www.javiergutierrezchamorro.com
    Leader badge
    Downloads: 1,461 This Week
    Last Update:
    See Project
  • 6
    Software for Moon observation and survey. Let you visualize the real Moon aspect at every time. Also help to study any lunar formations using feature database and pictures library.
    Leader badge
    Downloads: 437 This Week
    Last Update:
    See Project
  • 7

    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.
    Leader badge
    Downloads: 317 This Week
    Last Update:
    See Project
  • 8
    Dragon UnPACKer
    Dragon UnPACKer is a game archive (Quake PAK, etc..) unpacking tool. It is plugin based making easier to add new archive file formats. It has convert ability and raw search function for known material (audio, video and pictures).
    Leader badge
    Downloads: 283 This Week
    Last Update:
    See Project
  • 9
    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.
    Leader badge
    Downloads: 101 This Week
    Last Update:
    See Project
  • eProcurement Software Icon
    eProcurement Software

    Enterprises and companies seeking a solution to manage all their procurement operations and processes

    eBuyerAssist by Eyvo is a cloud-based procurement solution designed for businesses of all sizes and industries. Fully modular and scalable, it streamlines the entire procurement lifecycle—from requisition to fulfillment. The platform includes powerful tools for strategic sourcing, supplier management, warehouse operations, and contract oversight. Additional modules cover purchase orders, approval workflows, inventory and asset management, customer orders, budget control, cost accounting, invoice matching, vendor credit checks, and risk analysis. eBuyerAssist centralizes all procurement functions into a single, easy-to-use system—improving visibility, control, and efficiency across your organization. Whether you're aiming to reduce costs, enhance compliance, or align procurement with broader business goals, eBuyerAssist helps you get there faster, smarter, and with measurable results.
    Learn More
  • 10
    Scrabble3D
    <b>The project is continued at https://github.com/Scrabble3D. Find the latest program version under Binaries.</b> Scrabble3D is a highly customizable Scrabble game that not only supports Classic Scrabble and Superscrabble but also 3D games and own boards. You can play local against the computer or connect to a game server to find other players.
    Downloads: 132 This Week
    Last Update:
    See Project
  • 11
    GLScene

    GLScene

    GLScene Engine for Delphi & C++Builder VCL Windows 32/64

    GLScene is an OpenGL based 3D library for Delphi, C++Builder and Lazarus. It provides visual components and objects allowing description and rendering 3D scenes in graphic applications. Update of newer versions of the trunk has been moved to https://github.com/glscene
    Downloads: 60 This Week
    Last Update:
    See Project
  • 12
    Auto Mouse Clicker (AMC)

    Auto Mouse Clicker (AMC)

    The program to simulate mouse clicks

    PayPal: wulgarni@gmail.com new project, chat community - https://wapczat.pl/ Auto Mouse Clicker (AMC) is an automatic mouse clicker that allows for a random time to perform the clicks. You can also specify an exact time. It also allows you to specify the exact location or click to set a random place for clicks in a given area (drawing a square with your mouse). The program supports setting different sequences for clicks.
    Downloads: 74 This Week
    Last Update:
    See Project
  • 13
    HTMLViewer
    HTML Viewer Components for Delphi, Lazarus and C++Builder The HtmlViewer component set consists of the THtmlViewer, TFrameViewer, and TFrameBrowser components. All three are HTML document display components: THtmlViewer * The basic component. * THtmlViewer displays single (non-frame) documents. * It also forms the basis for the other two components. TFrameViewer * Displays both frame and single HTML documents. * TFrameViewer is oriented more for local file system use. TFrameBrowser * Also displays frame and single HTML documents. * TFrameBrower is oriented for use with local file systems and toward Internet style protocols and URL usage. * Additional code and/or components are generally required to get data from other sources than the local file system. These components Support most of the HTML 4.01 specifications with many additional popular HTML 5 enhancements. Many Cascading Style Sheet properties are also supported.
    Leader badge
    Downloads: 98 This Week
    Last Update:
    See Project
  • 14
    easyMP3Gain
    Graphical User Interface (GUI) for MP3Gain, VorbisGain and AACGain (enables you to modify the loudness level of mp3,ogg,mp4 files) / Frontend for MP3Gain / Grafische Benutzeroberflaeche fuer MP3Gain, VorbisGain und AACGain
    Leader badge
    Downloads: 102 This Week
    Last Update:
    See Project
  • 15
    ddrescueview

    ddrescueview

    Graphical viewer for GNU ddrescue mapfiles

    This small tool allows the user to graphically examine ddrescue's mapfiles in a user friendly GUI application. The Main window displays a block grid with each block's color representing the block types it contains. Many people know this type of view from defragmentation programs. The program is written in Object Pascal using the Lazarus IDE. It can be compiled to run on Windows, GNU/Linux and probably OS X, too. The downloads include binaries for the respective target platform and the project files (source code). Update 2022/02/25: ddrescueview version 0.4.5 has been released. This maintenance release restores compatibility with ddrescue 1.24 and later. Please consider testing this version. Report issues in the bug tracker if you have a sourceforge account, or by email to <mbit-kiel@users.sourceforge.net>
    Leader badge
    Downloads: 80 This Week
    Last Update:
    See Project
  • 16

    Minimize to Tray

    Send any window to tray instead of minimize.

    Minimize to Tray is s an application to control how windows are minimized. A window is hidden from the taskbar and a small notification icon appears in the notification area when a "Minimize to Tray" enabled window is minimized. A click on the notification icon restores the window. 02.11.2019 Version 1.0.0 13.03.2020 Version 1.1.0 Rolf Wetjen (rolf.wetjen@mail.de)
    Leader badge
    Downloads: 89 This Week
    Last Update:
    See Project
  • 17
    XML Tree Editor

    XML Tree Editor

    Basic cross-platform tree view XML editor

    XMLTreeEdit displays XML files as tree views and allows basic operations: adding, editting and deleting text nodes and their attributes. The main goal is providing a simple tool to create/edit XML configuration files for users without knowledge of XML. Built in Free Pascal Lazarus, which allows easy compilation for different target platforms. Currently binary executables were produced and tested on Windows (XP, 7) and Ubuntu Linux (GTK2). For developers: there are two units listed separately to support XML configuration files in your application: XMLfile.pas - Lazarus/Free Pascal uXMLConfig.pas - Delphi (2007..XE2)
    Leader badge
    Downloads: 38 This Week
    Last Update:
    See Project
  • 18
    CCDciel

    CCDciel

    Astronomy CCD capture software

    A CCD capture software intended for the amateur astronomer. It include all the features required to perform digital imaging CCD observation of celestial objects. Using the standard drivers protocol INDI and ASCOM it can connect and control the CCD camera, the focuser, the filter wheel and the telescope mount. This software is part of a full suite for astronomical observation: https://sourceforge.net/projects/skychart/ https://sourceforge.net/projects/indistarter/ https://sourceforge.net/projects/eqmodgui/ Requirement: https://sourceforge.net/projects/libpasastro/ See also: https://sourceforge.net/projects/indi/
    Leader badge
    Downloads: 76 This Week
    Last Update:
    See Project
  • 19
    workerPdf

    workerPdf

    WorkerPDF is GUI for GhostScript created for PDF conversion

    WorkerPDF uses GhostScript https://www.ghostscript.com/. WorkerPDF created for PDF conversion. Program features: - Compress pdf documents; - Combine pdf; - Moving pdf pages; - Rotating pdf pages; - Creating pdf from images; - Convert pdf to images. - Encrypt, decrypt pdf WorkerPDF использует GhostScript https://www.ghostscript.com/. WorkerPDF создан для преобразования PDF. Возможности программы: - Сжатие pdf документов; - Объединение pdf; - Перестановка страниц pdf; - Поворот страниц pdf; - Создание pdf из изображений; - Преобразование pdf в изображения. - Шифрование, дешифрование pdf
    Downloads: 25 This Week
    Last Update:
    See Project
  • 20
    We are developing a set of Delphi components to communicate with a ModBus PLC over TCP/IP. The library provides components to implement both a ModBus master and a Modbus slave, and is based on the Indy component set (both Indy 9 and 10 are supported) De source code of the project has been moved to GitHub!
    Leader badge
    Downloads: 25 This Week
    Last Update:
    See Project
  • 21
    Castle Game Engine

    Castle Game Engine

    Game engine supporting many 3D/2D formats and graphic effects

    This project has moved to: - Our website https://castle-engine.io/ - GitHub repo: https://github.com/castle-engine/castle-engine/ Cross-platform 3D and 2D game engine for Object Pascal. Rendering and processing of game assets in glTF, X3D, VRML, Collada, Spine and other formats. Many graphic effects including shadows, shaders, mirrors, screen effects. Animation, collision detection, 3D sound. Extensible system of 3D objects, with out-of-the-box levels, items, intelligent creatures and more. Desktop, mobile, web plugin. Also home of view3dscene - our full-featured VRML/X3D browser.
    Downloads: 22 This Week
    Last Update:
    See Project
  • 22
    APK File Manager

    APK File Manager

    Organize your android .apk collection! Catalog and view informations.

    With this program you will be able to organize your (legally obtained) android .apk file collection. Features include getting Play Store information and screenshots from each apk file, and storing them offline for later viewing.
    Downloads: 24 This Week
    Last Update:
    See Project
  • 23
    Componentes ACBr
    Paleta de Componentes para as Linguagens Delphi e Lazarus, compatível com Windows e Linux, que permite acesso direto a equipamentos de Automação Comercial, sem DLL's, interagindo com eles direto na porta serial.
    Downloads: 22 This Week
    Last Update:
    See Project
  • 24
    mht to htm

    mht to htm

    Conversion from *.mht files to *.htm files.

    Conversion from *.mht files to *.htm files. mht2htm extracts all files from mht in single dir so you can open it on any OS. Also works with .eml, .msg, .nws... files
    Leader badge
    Downloads: 36 This Week
    Last Update:
    See Project
  • 25
    NSHtml2Apk

    NSHtml2Apk

    Build an Android app from a website or embedded HTML pages

    Quickly and simply create an Android application (APK) from an http/https site or embedded HTML pages with its javascript files, styles, images, etc. nshtml2apk is software to compile progressive websites/html/web apps and stunning Android apps in just one click. No coding required. Users can use to port HTML games or web application to Android, customize them.
    Downloads: 54 This Week
    Last Update:
    See Project
  • Previous
  • You're on page 1
  • 2
  • 3
  • 4
  • 5
  • Next