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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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ExplicitStringLists

Set of string list classes, where each class works only with specific, well defined type of string (Ansi, Wide, UTF8, ...).

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

Other

CrossDragDrop

Native drag and drop for existing Lazarus controls: two nonvisual components, text and files, with visual feedback. GTK2, GTK3, Qt5, X11 and Wayland. 0BSD.

  • Active
  • Package
  • Lazarus
  • GitHub
  • ★ 1

Bindings GUI containers

5.0 from 1 member

FileEye

Know when a file changes, on Linux, Windows and macOS. A Lazarus component on Free Pascal's DirWatch.

  • Active
  • Package
  • Lazarus
  • GitHub
  • ★ 1

Files and Drives

5.0 from 1 member

DzHTMLText

Delphi and Lazarus HTML Label component

  • Active
  • Package
  • Lazarus and Delphi
  • GitHub
  • ★ 229
  • MIT

Labels

4.0 from 1 member

delphi-markdown

. Delphi FPC This is a Pascal Delphi library that processes to markdown to HTML

  • Active
  • Package
  • Lazarus and Delphi
  • GitHub
  • ★ 230
  • BSD-3-Clause

Language Tools

3.0 from 1 member

jcf-pascal-format

JEDI code formatter better compatible with modern Delphi

  • Quiet
  • Application
  • Lazarus and Delphi
  • GitHub
  • ★ 39

Language Tools

3.0 from 1 member

Delphi-ListBox

<h4>2 : IndexItems</h4> <h4>3 : count </h4> <h4>4 : String </h4> <h4>5 : Length </h4> <h4>6 : delete select item </h4> <h4>7 : copy &amp; move &amp; MultiSelect items </h4> <h4>8 : Modify Items </h4> <h4>9 : icon in items </h4> <h4>10 : brush color items </h4>

  • Quiet
  • Other
  • Delphi
  • GitHub
  • ★ 1
  • Apache-2.0

Learning and Examples

IP-Sniffer

IP Sniffer is a comprehensive network tool for capturing and analyzing all traffic on a network, including IP addresses.

  • Active
  • Application
  • Delphi
  • GitHub
  • ★ 3

Networking

3.0 from 1 member

Delphi-Crash-Reporter

Cross-platform Delphi crash/exception reporter (Linux, macOS, Android, iOS) that emits EurekaLog .el-format reports (open in the EurekaLog Viewer): call stacks, CPU registers, modules, source line numbers. RTL-only core, no FMX dependency, no EurekaLog license required.

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 9
  • BSD-2-Clause

System

2.0 from 1 member

FileBasedList

Fast file based StringList or IntegerList for large data lists especially if out of memory with a regular TStringList

  • Quiet
  • Library
  • Delphi
  • GitHub
  • ★ 10

Files and Drives

CrossCompare

A simple application for comparing two lists of strings to produce a list with unique or shared values. Allows simple VLookups without the use of Excel or a similar application.

  • Quiet
  • Application
  • Lazarus
  • GitHub
  • ★ 3
  • GPL-3.0

Applications

DFHumanize

Make strings, dates, numbers, bytes and lists **human-readable** in Delphi

  • Active
  • Application
  • Delphi
  • GitHub
  • ★ 1
  • MIT

Other

Ant Renamer

This program can rename large amounts of files and folders in few clicks. It only modifies files/folders names. Changing extension, Replacing character strings by others, Inserting a character string, Moving characters, Deleting characters, Enumeration, Name creation with mp3's Tag (ID v1.1), Name creation with file's last modified date and time, Random names creation, Case change (uppercase, lowercase, first letter of each word in uppercase), Take names from a list/file, Use of EXIF info, Regular expressions. Available in several languages. Unicode file names are supported, so it is possible to rename without problems files that have names containing characters from Japanese, Chinese, Arab, etc. This may seem common nowadays, but back then when it was added (2003) it was a big plus. Tested successfully under various Windows versions, from 98 (possibly with a few updated system files) and NT4 (SP4 required) up to current ones (Windows 10/11 included).

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

Files and Drives

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

QuickLogger

Powerful and flexible library for logging on files, console, memory, email, rest, eventlog, syslog, slack, telegram, redis, logstash, elasticsearch, influxdb, graylog, Sentry, Twilio, ide debug messages and throw events for Delphi/Firemonkey/freepascal/.NET (Windows/Linux/OSX/IOS/Android).

  • Active
  • Library
  • Lazarus and Delphi
  • GitHub
  • ★ 452
  • Apache-2.0

Other

horse

Fast, opinionated, minimalist web framework for Delphi

  • Active
  • Library
  • Lazarus and Delphi
  • GitHub
  • ★ 1,383
  • MIT

Networking

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

BGRAControls

Set of LCL visual components. Analog controls, button, checkbox, toolbar, panel, ribbon, progressbar etc.

  • Active
  • Package
  • Lazarus
  • GitHub
  • ★ 226
  • Modified LGPL

Graphics In the Online Package Manager

pasta80

Turbo Pascal 3.0-compatible compiler that generates machine code for classic and modern Z80 machines (currently CP/M, Sinclair ZX Spectrum 48K/128K/Next, and Agon Light/Console8).

  • Active
  • Application
  • GitHub
  • ★ 207

Language Tools

ProcessMemoryMap

Deep memory analysis for Windows processes — the tool that saves you hours of debugging

  • Active
  • Application
  • Delphi
  • GitHub
  • ★ 178
  • MPL-2.0

System

Dam

Delphi and Lazarus Message Dialogs with Formatted Text

  • Active
  • Package
  • Lazarus and Delphi
  • GitHub
  • ★ 167
  • MIT

Dialogs

mseide-msegui

MSEide is a Rapid Application Development IDE for platform independent rich GUI applications in the Pascal language. It comes with its own GUI toolkit called MSEgui. Binaries: https://github.com/mse-org/mseide-msegui/releases

  • Active
  • Application
  • Lazarus
  • GitHub
  • ★ 167
  • GPL-2.0

Language Tools

dataset-serialize

JSON to DataSet and DataSet to JSON converter for Delphi and Lazarus (FPC)

  • Active
  • Library
  • Lazarus and Delphi
  • GitHub
  • ★ 746
  • MIT

Database

JPPack

A collection of VCL/LCL components for Delphi/Lazarus - buttons, panels, LinkLabel, ProgressBar, ColorComboBox, ColorListBox, Timer and other

  • Quiet
  • Package
  • Lazarus and Delphi
  • GitHub
  • ★ 159

Other

QuickLib

Quick development library (AutoMapper, LinQ, IOC Dependency Injection, MemoryCache, Scheduled tasks, Json and Yml Config and Options pattern, Serializers, etc) with crossplatform support for Delphi/Firemonkey (Windows,Linux,OSX/IOS/Android) and freepascal (Windows/Linux).

  • Active
  • Package
  • Lazarus and Delphi
  • GitHub
  • ★ 714
  • Apache-2.0

Other

LGenerics

Generic algorithms and data structures for Lazarus/Free Pascal

  • Active
  • Package
  • Lazarus
  • GitHub
  • ★ 139
  • Apache-2.0

Other

LazWebsockets

Websocket Server and Client Library written in Lazarus

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

Networking

0xsp-Mongoose

a unique framework for cybersecurity simulation and red teaming operations, windows auditing for newer vulnerabilities, misconfigurations and privilege escalations attacks, replicate the tactics and techniques of an advanced adversary in a network.

  • Archived
  • Application
  • Lazarus
  • GitHub
  • ★ 532
  • GPL-3.0

Security

delphi-jose-jwt

Delphi implementation of JOSE (JSON Object Signing and Encryption) and JWT (JSON Web Token)

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 521
  • MIT

Security Cryptography

DocTo

Simple command line utility for converting .doc & .xls files to any supported format such as Text, RTF, CSV or PDF

  • Active
  • Application
  • Delphi
  • GitHub
  • ★ 510
  • MIT

Files and Drives

neural-api

CAI NEURAL API - Pascal based deep learning neural network API optimized for AVX, AVX2 and AVX512 instruction sets plus OpenCL capable devices including AMD, Intel and NVIDIA.

  • Active
  • Library
  • Lazarus and Delphi
  • GitHub
  • ★ 465
  • LGPL-2.1

Science

quickhash

Graphical cross platform data hashing tool for Linux, Windows and Mac

  • Active
  • Application
  • Lazarus
  • GitHub
  • ★ 436
  • GPL-2.0

Cryptography

delphi-neon

JSON Serialization library for Delphi

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 364
  • MIT

Other

superobject

. Delphi FPC Parser/writer for JSON data format. This toolkit is designed to work with Delphi and FreePascal win32, win64, linux32, linux64, macOS Intel. Supports reading/writing XML as well.

  • Archived
  • Library
  • Lazarus and Delphi
  • GitHub
  • ★ 337

Other

dext

Dext - Modern Full Stack Framework for Delphi

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 330
  • Apache-2.0

Networking

xdpw

XD Pascal: A small embeddable self-hosting Pascal compiler for Windows. Supports Go-style methods and interfaces

  • Quiet
  • Application
  • Delphi
  • GitHub
  • ★ 296
  • BSD-2-Clause

Language Tools

FMXUI

FMX跨平台基础UI库

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 281
  • MIT

Other

Brook framework

Brook is microframework which helps to develop web Pascal applications.

  • Active
  • Package
  • Lazarus and Delphi
  • GitHub
  • ★ 278
  • Copyright (c) 2012-2021 Silvio Clecio <silvioprog@gmail.com>

Networking In the Online Package Manager

Delphi-JsonToDelphiClass

Generates Delphi Classes based on JSON string (Json To Delphi Class Generator / JSON Data Binding Tool)

  • Quiet
  • Application
  • Delphi
  • GitHub
  • ★ 244
  • MIT

Language Tools

besen

Complete ECMAScript Fifth Edition Implemention in Object Pascal

  • Active
  • Library
  • Lazarus
  • GitHub
  • ★ 233
  • LGPL-2.1

Language Tools

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

Chet

C Header Translator for Delphi

  • Active
  • Application
  • Delphi
  • GitHub
  • ★ 227
  • BSD-2-Clause

Language Tools

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

PsyloDbg

User-friendly Microsoft Windows Debugger for Malware Analysts.

  • Quiet
  • Application
  • Delphi
  • GitHub
  • ★ 210
  • Apache-2.0

Security

mcx

Monte Carlo eXtreme (MCX) - Physically accurate and validated GPU ray-tracer

  • Active
  • Application
  • Lazarus
  • GitHub
  • ★ 197

Science

wincachegrind

[NO LONGER MAINTAINED] WinCacheGrind is a viewer for cachegrind.out files generated by xdebug 2. WinCacheGrind is functionally similar to KCacheGrind, only it is much simpler and runs on Windows.

  • Quiet
  • Application
  • Delphi
  • GitHub
  • ★ 192
  • GPL-3.0

Language Tools

Mad-Pascal

Mad Pascal Compiler for 6502 (Atari XE/XL, C64, C4Plus, Neo6502)

  • Active
  • Application
  • Lazarus
  • GitHub
  • ★ 167

Language Tools

QuickCore

Delphi Core Framework to fast build desktop/mobile/web apps.

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 163
  • Apache-2.0

Networking

dmustache

A Delphi implementation of the Mustache templating language

  • Quiet
  • Library
  • Lazarus and Delphi
  • GitHub
  • ★ 163

Language Tools

Trysil

A lightweight, attribute-driven ORM for Delphi

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 160
  • BSD-3-Clause

Database

Delphi-LightSaber

Lots and lots of "goodie" functions and 70 visual controls. More than 15 years of development have been put in this library. The library also wants to be a lightweight replacement for the mammoth Delphi Jedi library.

  • Active
  • Library
  • Lazarus and Delphi
  • GitHub
  • ★ 157

Other

EasyDBMigrator

EasyDbMigrator is a database migration library designed for Delphi(Microsoft SQL SERVER, Oracle, MySQL, MariaDB, PostgreSQL, and Firebird. https://getitnow.embarcadero.com/EasyDBMigrator

  • Quiet
  • Library
  • Delphi
  • GitHub
  • ★ 155
  • MIT

Database