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Catalog

30,057 projects in the catalog.

Free Pascal, Lazarus and Delphi components, libraries and programs from GitHub, SourceForge, Codeberg, GitLab and more. Rate them, mark what looks interesting, and talk about them on their benches.

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OneWaySynchronize

A Windows command line tool for fast one way file and directory synchronization

  • Quiet
  • Application
  • Delphi
  • GitHub
  • ★ 1

Files and Drives

QuickFTPSync

ObjectPascal made Commandline FTP Synchronization Tool

  • Quiet
  • Application
  • Lazarus and Delphi
  • GitHub
  • ★ 6

Networking

lib.FastLocks

Non-blocking synchronization objects based on interlocked functions operating on locking flag(s).

  • Active
  • Library
  • Lazarus and Delphi
  • GitHub
  • ★ 7
  • MPL-2.0

System

lib.WinSyncObjs

Provides synchronization objects based on primitives provided by the Windows OS and more.

  • Active
  • Library
  • Lazarus and Delphi
  • GitHub
  • ★ 7
  • MPL-2.0

System

lib.CrossSyncObjs

Provides wrapper classes for synchronization primitives and wait functions from libraries WinSynObjs and LinSyncObjs.

  • Active
  • Library
  • Lazarus and Delphi
  • GitHub
  • ★ 4
  • MPL-2.0

System

lib.LinSyncObjs

Provides a set of classes encapsulating synchronization objects available in pthread library for Linux operating system, and more.

  • Active
  • Library
  • Lazarus
  • GitHub
  • ★ 4
  • MPL-2.0

System

lib.SimpleFutex

Wrapper functions for linux futexes. Also provides very simple synchronization objects based on them.

  • Active
  • Library
  • Lazarus
  • GitHub
  • ★ 3
  • MPL-2.0

System

DelphiMultithreadingBookCodeEnglishEdition

This repository contains all the source code for the practical examples in the book "Delphi Multithreading: Threads, Concurrency, Parallelism and Asynchronous Programming", written by Cesar Romero.

  • Active
  • Other
  • Delphi
  • GitHub
  • ★ 42

Learning and Examples

Delphi-Thread-Sync-Visualizer-Demo

A visual demonstration of thread synchronization in Delphi, featuring real-time progress tracking and color-coded state visualization. Perfect for learning concurrent programming concepts and thread coordination patterns.

  • Active
  • Other
  • Delphi
  • GitHub
  • ★ 8

Learning and Examples

DFDataSync

Data Synchronization and Replication Framework for Modern Delphi Applications

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 4
  • MIT

Database

SyncDirPas

The Directory Synchronization program synchronizes the file contents of directories on a personal computer running Microsoft Windows or Ubuntu Linux.

  • Quiet
  • Application
  • Lazarus
  • GitHub
  • ★ 2
  • MIT

Files and Drives

EasyPlaces

Simple navigation and coordinate recording apps for Android and Windows, with direct local synchronization / Приложения простой навигации и записи координат для Android и Windows, с прямой локальной синхронизацией

  • Active
  • Application
  • Delphi
  • GitHub
  • ★ 1

Other

lazync

Lazync is an open‑source, self‑hosted, cross‑platform file‑sync service built with Free Pascal / Lazarus.

  • Active
  • Application
  • Lazarus
  • GitHub
  • ★ 1
  • GPL-3.0

System

Bold for Delphi

. Delphi Model-Driven Architecture MDA framework and ORM. Design your domain model in UML and generate Delphi classes and database schemas. Features OCL Object Constraint Language for queries and derived attributes, automatic UI synchronization, built-in undo/redo, optimistic locking, and object subscriptions. Persistence via FireDAC, UniDAC or XML, supporting most modern databases. This fork adds Unicode and modern Delphi support. Official Embarcadero repo is for Delphi 7.

  • Library
  • Delphi
  • GitHub

Database

lib.SyncThread

Very simple library providing TThread descendant that is able to synchronize with (execute its method in context of...) any other cooperating thread.

  • Active
  • Library
  • Lazarus and Delphi
  • GitHub
  • ★ 6
  • MPL-2.0

System

FPCBarrier

Synchronization Barriers for FPC programs

  • Quiet
  • Library
  • Lazarus
  • GitHub
  • ★ 1
  • MIT

System

Freecorp FurySync

FurySync is a simple program to synchronize subtitles easily. Open a video, and each time your hear a line just click on a button, or use this hear-and-click method to place some synchronization points and let the program compute the other timings.

  • Application
  • SourceForge
  • BSD License

Multimedia

NetTime

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.

  • Quiet
  • Application
  • SourceForge
  • BSD License

Networking

Subtitle Processor

Subtitle editor for editing, repairing and translating subtitles for movies. Contains integrated movie and DVD player for easy synchronization of subtitles with the movie. Many simple and advanced editing functions.

  • Quiet
  • Application
  • SourceForge
  • GNU General Public License version 2.0 (GPLv2)

Multimedia

issrc

Inno Setup is an open-source installation builder for Windows applications by Jordan Russell and Martijn Laan. Since its introduction in 1997, Inno Setup has been trusted by developers and organizations of all sizes to reliably deploy software to millions of PCs worldwide.

  • Active
  • Application
  • Delphi
  • GitHub
  • ★ 5,744

System

awesome-pascal

A curated list of awesome Delphi/FreePascal/(any)Pascal frameworks, libraries, resources, and shiny things. Inspired by awesome-... stuff. Open source and freeware only!

  • Active
  • Other
  • Lazarus and Delphi
  • GitHub
  • ★ 2,096
  • CC0-1.0

Learning and Examples

Alcinoe

Alcinoe empowers developers to build fast, modern apps without the usual complexity or performance bottlenecks. It keeps the focus on innovation—not tool constraints—delivering top performance, deep customization, and great cross-platform UX while staying independent of GAFA ecosystems.

  • Active
  • Package
  • Delphi
  • GitHub
  • ★ 1,134
  • Apache-2.0

Other

Kastri

Cross-platform library for Delphi

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 603
  • MIT

System

delphi-event-bus

Delphi Event Bus (for short DEB) is an Event Bus framework for Delphi

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 496
  • Apache-2.0

Other

DLest

Microsoft Windows DLL Export Browser (Enumerate Exports, COM Methods and Properties) with Advanced Search Features.

  • Quiet
  • Application
  • Delphi
  • GitHub
  • ★ 268
  • Apache-2.0

System

pasvulkan

Vulkan header generator, OOP-style API wrapper, framework and prospective Vulkan-based game engine for Object Pascal

  • Active
  • Library
  • Lazarus and Delphi
  • GitHub
  • ★ 230
  • Zlib

Bindings Graphics

MakerAi

The AI Operating System for Delphi. 100% native framework with RAG 2.0, autonomous agents, MCP protocol, and universal LLM connector. Supports OpenAI, Claude, Gemini, Ollama, and more. Delphi 10.4+ (limited), full support from Delphi 12 Athens.

  • Active
  • Library
  • Lazarus and Delphi
  • GitHub
  • ★ 216
  • MIT

Other

Core

Ultibo Core

  • Active
  • Library
  • Lazarus
  • GitHub
  • ★ 187

System

BoldForDelphi

Bold for Delphi is a Model Driver Architecture (and ORM library) for Embarcadero Delphi

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 156
  • MIT

Database

NtUtilsLibrary

Delphi library for system programming on Windows using Native API

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 146
  • MIT

System

Suspending-Techniques

Comparing, discussing, and bypassing various techniques for suspending and freezing processes on Windows.

  • Quiet
  • Other
  • Delphi
  • GitHub
  • ★ 139

System

nx-horizon

NX Horizon - Event Bus for Delphi

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 132
  • MIT

Other

AsyncCalls

AsyncCalls – Asynchronous function call framework

  • Quiet
  • Library
  • Delphi
  • GitHub
  • ★ 123

System

LazWebsockets

Websocket Server and Client Library written in Lazarus

  • Quiet
  • Package
  • Lazarus
  • GitHub
  • ★ 123
  • BSD-3-Clause

Networking

AIO

Coroutine-based multithreading library for Delphi

  • Quiet
  • Library
  • Delphi
  • GitHub
  • ★ 121
  • Apache-2.0

System

ramdisk

Replacement (GUI + windows service) for ImDisk Toolkit - by using Arsenal Image Mounter as a driver for RAM-disks.

  • Active
  • Application
  • Delphi
  • GitHub
  • ★ 116
  • MIT

System Files and Drives

BrainMM

Extremely fast memory manager for Delphi

  • Quiet
  • Library
  • Delphi
  • GitHub
  • ★ 102
  • MIT

System

Tiny.Library

General purpose low level library for Delphi 7-XE10, FreePascal and C++Builder

  • Quiet
  • Library
  • Lazarus and Delphi
  • GitHub
  • ★ 83
  • MIT

Other

EasyNotes

Note apps for Windows, Android and iOS with P2P sync / Приложения заметок для Windows, Android и iOS, с P2P синхронизацией

  • Active
  • Application
  • Delphi
  • GitHub
  • ★ 81

Edit and Memos

ZNet

ZNet is supported by future P2P VM, big data, cloud servers, and SAAS systems

  • Active
  • Library
  • Lazarus
  • GitHub
  • ★ 64
  • BSD-3-Clause

Networking

DX.Pdfium4D

Delphi Cross-Platform Wrapper for Google's PDFium - Object-oriented PDF document handling for Windows, macOS, Android, iOS

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 62
  • MIT

Bindings

MTN2

Dual-pane keyboard-driven file manager in the spirit of DOS Navigator and Far Manager: built-in console, terminals, viewer and editor, archives, SFTP/FTP/WebDAV/S3, plugins. Delphi, Windows and Linux.

  • Active
  • Application
  • Delphi
  • GitHub
  • ★ 55
  • MPL-2.0

Files and Drives

Delphi_Remote_Desktop

Easy To Use Drag And Drop Desktop Duplication Components (Work In Progress!)

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 52
  • MIT

Networking

GHttpsIOCPSvr

Delphi HTTPS server IOCP and Schannel

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 48
  • MIT

Networking

SafeThread4D

Fluent, cooperative, UI-safe background task runner for Delphi FMX, with cancellation, timeout, progress, lifecycle callbacks, and optional mobile UI liveness diagnostics.

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 46
  • MIT

System

SnapTRAINER

A modular Virtual-PLC Trainer

  • Active
  • Application
  • Lazarus
  • GitHub
  • ★ 41
  • GPL-3.0

System

pas2js

Read-only mirror of Pascal to Javascript transpiler

  • Quiet
  • Application
  • Lazarus
  • GitHub
  • ★ 39

Language Tools

delphi-leakcheck

Multi-platform leak checking library for Delphi

  • Quiet
  • Library
  • Delphi
  • GitHub
  • ★ 38
  • Apache-2.0

System

CWStudio-Components-Library

Modern Windows 11 / WinUI 3 (Fluent UI v9) styled VCL components for Delphi / RAD Studio.

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 37
  • MIT

Other

Delphi_Utils_Library

A library with some useful utilities for your Delphi Apps.

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 37
  • BSD-3-Clause-Clear

Other

Delphi-and-Google-Authenticator

2-step verification greatly increases the security of your account, especially if your password is stolen. But how about adding this functionality to your Delphi application?

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 35
  • MIT

Security

Delphi-LSP-MCP-Server

Allows AI agents to talk to Delphi 11, 12, 13 LSP Server (DelphiLSP.exe <- Requires a valid Delphi/Embarcadero license !)

  • Active
  • Application
  • Delphi
  • GitHub
  • ★ 25

Language Tools

ASTAP

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

  • Active
  • Application
  • Lazarus
  • GitHub
  • ★ 24
  • MPL-2.0

Science

IAMClient4D

IAMClient4D is a Delphi client library for integrating applications with Keycloak, providing full OAuth2/OpenID Connect support (including PKCE), token and user management, and a lightweight asynchronous task framework (Async.Core) for thread-safe operations across VCL and FMX.

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 24
  • Apache-2.0

Security Networking

ZUGFeRD-for-Delphi

ZUGFeRD / Factur-X Implementation for Delphi

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 23
  • Apache-2.0

Other