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30,062 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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javaplugin64

This is a Puppet module that installs and uninstalls Java Plugin 64-Bits",

  • Quiet
  • Other
  • GitHub
  • ★ 4

Other

JavaWebSpace

some test projects of JAVA or real projects

  • Quiet
  • Other
  • GitHub
  • ★ 1

Other

StarUML-Java-1.5-Module

Update to the java module of StarUML. This version supports Java 1.5 syntax.

  • Quiet
  • Other
  • Delphi
  • GitHub
  • ★ 1

Other

WebHdf

JavaScript port of the PasHdf library

  • Quiet
  • Other
  • GitHub
  • ★ 2
  • MIT

Other

ADiV

ADiV is a set of components for LAMW that uses JAVA and Pascal. It stands out for the simplicity of programming, thanks to the use of Pascal and hiding the Java Android code.

  • Quiet
  • Library
  • Lazarus
  • SourceForge
  • GNU General Public License version 3.0 (GPLv3)

Other

STAX

Singe Threaded Asynchronous Exexcution (STAX) framework for implementing asynchronous event scheduling similar to javascript or python co-routines

  • Quiet
  • Package
  • Lazarus
  • GitHub
  • ★ 41
  • BSD-2-Clause

Other

sempare-delphi-streams

Sempare Streams is a Delphi (object-pascal) library providing for stream type operations over various enumerable types similar to Java streams or Linq.

  • Archived
  • Library
  • Delphi
  • GitHub
  • ★ 19
  • GPL-3.0

Other

cooper.jar

The RTL for RemObjects Elements Java (Cooper)

  • Active
  • Library
  • GitHub
  • ★ 3
  • BSD-2-Clause

Other

torrentarium

Aplicaciones para Windows y Linux realizadas en C/C++, Java y en Vala.

  • Active
  • Other
  • GitHub
  • ★ 3
  • GPL-3.0

Other

AN62

BASE64 without +/= is AN62 ( AlphaNumeric62 )

  • Quiet
  • Library
  • Delphi
  • GitHub
  • ★ 2
  • MIT

Other

asteria

Prototyping a framework for JavaScript that works on the desktop

  • Archived
  • Application
  • Lazarus
  • GitHub
  • ★ 1

Other

corvus-regex-ecma262-pas

ECMA-262 (JavaScript) regular expressions for Object Pascal: the grammar and the answers of RegExp, every flag, over UTF-8 and UTF-16.

  • Active
  • Library
  • GitHub
  • ★ 1
  • Apache-2.0

Other

FpStax

A XML Streaming library based on Java API

  • Quiet
  • Package
  • Lazarus
  • GitHub
  • ★ 1
  • Modified LGPL

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Whetstone

Whetstone performance testing in Java, C, C++, Fortran, CUDA Fortran, Rust, Julia and Free Pascal,

  • Active
  • Library
  • Lazarus
  • GitHub
  • ★ 1

Other

olsb_cores

The core of OLSB project.

  • Quiet
  • Library
  • GitHub
  • ★ 14

Other

observable-delphi

Observable Class for Delphi based on the Java SE Observable

  • Quiet
  • Library
  • Delphi
  • GitHub
  • ★ 7
  • MIT

Other

JEasyOpc

use java to dev opc program

  • Quiet
  • Other
  • Delphi
  • GitHub
  • ★ 6

Other

sms_client

Исходники SMS клиентов на Java и Delphi FMX

  • Active
  • Application
  • Delphi
  • GitHub
  • ★ 1

Other

Web6502

An ObjectPascal wrapper, and enhancements to the 6502cpu.js JavaScript library

  • Package
  • Lazarus
  • GitHub

Other

xtop

Xtop is a suite of configurable source beautifiers for pascal and java.

  • Quiet
  • Application
  • Lazarus
  • gitlab.freedesktop.org

Other

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

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

FMXUI

FMX跨平台基础UI库

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

Other

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

Delphi-Promises

Delphi implementation of promises for asynchronous programming.

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 121
  • MIT

Other

DelphiGoogleMap

Delphi WebView2 Component to View Google Map with Routing and Markers Support

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 98
  • Apache-2.0

Other

sugar

Sugar

  • Quiet
  • Library
  • GitHub
  • ★ 88
  • BSD-3-Clause

Other

McJSON

A Delphi / Lazarus / C++Builder simple and small class for fast JSON parsing.

  • Active
  • Library
  • Lazarus and Delphi
  • GitHub
  • ★ 72
  • MIT

Other

cell-gc

A very small GC in Rust, with a safe API

  • Quiet
  • Other
  • GitHub
  • ★ 67
  • MIT

Other

sturdy

Sturdy is a library for developing sound static analyses in Haskell.

  • Quiet
  • Other
  • GitHub
  • ★ 64
  • BSD-3-Clause

Other

SuperObject.Delphi

Pascal (Delphi, FPC) json parser library SuperObject

  • Active
  • Library
  • Lazarus and Delphi
  • GitHub
  • ★ 63
  • Unlicense

Other

protobuf-delphi

Fast and simple implementation of Protocol Buffers for Delphi. Now we support code generation for the classes. Next, we plan to add reflection and records using memory regions.

  • Quiet
  • Library
  • Delphi
  • GitHub
  • ★ 57
  • GPL-3.0

Other

MarkdownProcessor

A Markdown Processor Library for Delphi, to process and convert markdown files to HTML.

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 56
  • Apache-2.0

Other

LKSL

LaKraven Studios Standard Library

  • Quiet
  • Library
  • Delphi
  • GitHub
  • ★ 52

Other

DelphiRTL

Part of the RTL2 project, a Delphi-compatible RTL and non-visual VCL library implementation.

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 43

Other

Delphi_Utils_Library

A library with some useful utilities for your Delphi Apps.

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

Other

RTL2

Next Generation RTL for Elements — replaces Sugar.

  • Active
  • Library
  • GitHub
  • ★ 24
  • BSD-2-Clause

Other

eArsiv-eFatura

e-Arşiv ile Kağıt, Baskı, Arşivleme, İş Gücü ve Dağıtım Maliyetlerinizi Azaltın. Djital Dönüşüme Bizimle Sorunsuz ve Güvenli Bir Şekilde Hemen Başlayın! Sektörel Çözümler.

  • Quiet
  • Other
  • Delphi
  • GitHub
  • ★ 22
  • GPL-3.0

Other

superobject

:anger: A fast Delphi JSON parser - Fork of http://code.google.com/p/superobject/

  • Quiet
  • Library
  • Delphi
  • GitHub
  • ★ 22
  • LGPL-3.0

Other

PureParseFloat

Just Good ParseFloat Algorithm named PureParseFloat

  • Quiet
  • Library
  • Lazarus
  • GitHub
  • ★ 19
  • MIT

Other

sqids-delphi

Delphi port of Sqids. Generate short YouTube-looking IDs from numbers

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 18
  • MIT

Other

iban4pas

A Delphi library for generation and validation of the International Bank Account Numbers (IBAN ISO_13616) and Business Identifier Codes (BIC ISO_9362) - Port of iban4j.

  • Quiet
  • Library
  • Delphi
  • GitHub
  • ★ 17
  • Apache-2.0

Other

Iterators

Iterator libary for ObjectPascal

  • Quiet
  • Package
  • Lazarus
  • GitHub
  • ★ 16
  • BSD-2-Clause

Other

Colligo

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 15
  • MIT

Other

XComponents

Lazarus package - components cross-compilable to web

  • Active
  • Package
  • Lazarus
  • GitHub
  • ★ 15

Other

fpGUIlib

Universal GUI library by fpGUI

  • Quiet
  • Library
  • Lazarus
  • GitHub
  • ★ 10
  • LGPL-2.1

Other

balancer

an implementation of the https://balancer.fi protocol in native code

  • Quiet
  • Library
  • Delphi
  • GitHub
  • ★ 8
  • MIT

Other

BlaiseVue

The Universal Reactive Framework for Object Pascal. Build modern Web (SPA/SSG), Native Mobile (Android/iOS), and Ultra-light Desktop apps from a single Pascal codebase.

  • Active
  • Package
  • Lazarus
  • GitHub
  • ★ 7

Other

libphonenumber-pascal

Pure Object Pascal port of Google's libphonenumber for Delphi and FreePascal: parse, validate, format and find phone numbers, with the upstream metadata compiled in.

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

Other

pdfweb

Proof-of-concept of a dynamic website with PDF documents

  • Quiet
  • Other
  • GitHub
  • ★ 6
  • MIT

Other

Pengine

This repository contains various utility libraries and personal projects, using said libraries.

  • Quiet
  • Library
  • Delphi
  • GitHub
  • ★ 6

Other

pizarra

A vendor-neutral control plane for autonomous, cooperating AI-agent teams.

  • Active
  • Application
  • Lazarus
  • GitHub
  • ★ 6
  • GPL-3.0

Other

reactive-nfe

A simple project containing concepts of UI&UX and Reactive Programming to Delphi

  • Quiet
  • Other
  • Delphi
  • GitHub
  • ★ 6
  • MIT

Other

RscJSON

JSON parser for Delphi 6 and newer

  • Quiet
  • Library
  • Delphi
  • GitHub
  • ★ 6
  • GPL-3.0

Other

zlog4d

log lib for pascal

  • Quiet
  • Library
  • Delphi
  • GitHub
  • ★ 6
  • BSD-2-Clause

Other

SlimForDelphi

Implementation of the Slim protocol of FitNesse for Delphi

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 5
  • MIT

Other