Sign in Join

Live chat for Free Pascal, Lazarus, Delphi and every Pascal programmer.

Catalog

30,061 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.

Random project How the catalog works

anvil

High-performance Git-compatible distributed version control and content-addressable storage engine in Object Pascal

  • Active
  • Library
  • GitHub
  • ★ 1
  • MIT

Other

LineStorage

Delphi Line Storage

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 8
  • MIT

Other

datastorage

DataStorage foi projetado para ser uma biblioteca simples e com possibilidades de salvar quase todo o tipo de registro.

  • Quiet
  • Library
  • Delphi
  • GitHub
  • ★ 19

Database

tilestorage_dbms

External tile storage for SAS Planet, using a database backend via ODBC

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 2

Database

FB4D

Open Source Library for connecting Firebase by Delphi VCL/FMX

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 216
  • Apache-2.0

Database Networking

eFirebase

Biblioteca para manipulação do Firebase no Delphi e Lazarus, oferecendo suporte a recursos do Firebase de forma simples e prática.

  • Quiet
  • Library
  • Lazarus and Delphi
  • GitHub
  • ★ 24
  • MIT

Database Networking

BlockstackPascal

The Blockstack Pascal library for identity, auth and storage

  • Quiet
  • Package
  • Lazarus
  • GitHub
  • ★ 19
  • MIT

Networking

AbstractMem

A library for Delphi/FreePascal to use as an automated storage simple to use, both memory and file mangament

  • Quiet
  • Library
  • Lazarus and Delphi
  • GitHub
  • ★ 9
  • MPL-2.0

Files and Drives

MSJet

Microsoft Extensible Storage Engine (Jet Blue) support library for Delphi

  • Quiet
  • Library
  • Delphi
  • GitHub
  • ★ 9

Database

pyeKVS

Binary key value storage

  • Quiet
  • Library
  • Delphi
  • GitHub
  • ★ 3
  • MIT

Database

VirtFont

DLL for persistent storage font 0x0 dot

  • Quiet
  • Library
  • GitHub
  • ★ 1

Other

FB4D

Open Source Library for connecting Firebase by Delphi VCL/FMX (mirror)

  • Active
  • Library
  • Lazarus and Delphi
  • Codeberg

Networking

aws

Object Pascal implementation for Amazon S3

  • Quiet
  • Package
  • Lazarus
  • GitHub
  • ★ 79
  • MIT

Networking

TDataFile

Binary data storage for Delphi similar to TIniFile

  • Quiet
  • Library
  • Delphi
  • GitHub
  • ★ 22
  • MIT

Files and Drives

light-containers

Pascal storage, like an array, but with hashing

  • Quiet
  • Library
  • Delphi
  • GitHub
  • ★ 4
  • LGPL-2.1

Other

UMDS - Unified Model of Data Storing

UMDS is small, strong and expansible project. The model offers a uniform method of conceptual view of the diverse data as a sequence of bits and a uniform method of keeping and processing this sequence on the external storage.

  • Quiet
  • Library
  • SourceForge
  • GNU Library or Lesser General Public License version 2.0 (LG

Database

LocalStorage4Pascal

Pequena biblioteca que simula o LocalStorage do Browser no Delphi para aplicações Desktop e Mobile

  • Active
  • Library
  • Lazarus and Delphi
  • GitHub
  • ★ 6
  • MIT

Database

MGStorage

A COM component for interfacing to Azure, Amazon, FTP, or file systems, using Delphi.

  • Quiet
  • Library
  • Delphi
  • GitHub
  • ★ 2
  • LGPL-2.1

Networking

HStorage4D

Conexão Servidor Horse para Bind4D

  • Archived
  • Library
  • Delphi
  • GitHub
  • ★ 4

Networking

JSONPropStorage

JSONPropStorage component for Lazarus

  • Quiet
  • Package
  • Lazarus
  • GitHub
  • ★ 3
  • LGPL-3.0

Other

ATSynEdit

Multi-line editor control, with syntax highlighting, for Lazarus

  • Active
  • Package
  • Lazarus
  • GitHub
  • ★ 194

Edit and Memos

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

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

FastMath

Fast Math Library for Delphi

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 194

Science

GpDelphiUnits

A collection of my open sourced Delphi units

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 190
  • BSD-3-Clause

Other

Core

Ultibo Core

  • Active
  • Library
  • Lazarus
  • GitHub
  • ★ 187

System

aws-sdk-delphi

AWS (Amazon Web Services) SDK for Delphi.

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 139

Networking

InstantObjects

Pupular OOP-OPF Library for Delphi (from DXE6 to latest version)

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 107
  • MPL-2.0

Database

scalemm

Fast scaling memory manager for Delphi

  • Quiet
  • Library
  • Delphi
  • GitHub
  • ★ 107

System

flre

FLRE - Fast Light Regular Expressions - A fast light regular expression library

  • Active
  • Library
  • Lazarus
  • GitHub
  • ★ 104
  • LGPL-2.1

Language Tools

BrainMM

Extremely fast memory manager for Delphi

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

System

MfPack

Delphi translations for Microsoft Media Foundation and related API's

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 102
  • MPL-2.0

Bindings Multimedia

DelphiComponents

This repo includes some free Delphi components compatible with various Delphi IDEs

  • Quiet
  • Package
  • Delphi
  • GitHub
  • ★ 96
  • Apache-2.0

Other

Delphi_OSMMap

Visual control for Delphi and Lazarus to display OSM map

  • Quiet
  • Package
  • Lazarus and Delphi
  • GitHub
  • ★ 79
  • MPL-2.0

Graphics

DelphiGoogleAPI

Using the Google Cloud Platform from your Delphi service on the Google Compute Engine

  • Quiet
  • Library
  • Delphi
  • GitHub
  • ★ 74

Networking

graphql

GraphQL for Delphi

  • Quiet
  • Library
  • Delphi
  • GitHub
  • ★ 70
  • Apache-2.0

Networking

PasClaw

Ultra-lightweight native AI agent framework written entirely in Object Pascal for Delphi and Free Pascal, designed for performance, portability, and extensibility.

  • Active
  • Library
  • Lazarus and Delphi
  • GitHub
  • ★ 67
  • MIT

Science

ZNet

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

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

Networking

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

IntXLib4Pascal

Arbitrary Big Integer Library for Pascal

  • Active
  • Package
  • Lazarus and Delphi
  • GitHub
  • ★ 56
  • MIT

Other

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

Casbin4D

An authorization library that supports access control models like ACL, RBAC, ABAC in Delphi

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 47
  • Apache-2.0

Security

ksAutoUpdater

Easy to use interface for adding auto-update functionality to your Delphi applications.

  • Quiet
  • Library
  • Delphi
  • GitHub
  • ★ 41
  • Apache-2.0

Networking

nats.delphi

Delphi client for NATS, the cloud native messaging system.

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 41
  • MIT

Networking

Microsoft365-4D

Delphi library for Microsoft 365 integration. OAuth2 with PKCE, Mail, Calendar, Contacts, and SharePoint via Microsoft Graph API. No external dependencies.

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 40
  • MIT

Networking

OverbyteICS

OverbyteICS. Outdated copy of SVN repository

  • Quiet
  • Library
  • Delphi
  • GitHub
  • ★ 38

Networking

AdvancedHTTPServer

The go-like http/https server for Lazarus + FPC

  • Active
  • Library
  • Lazarus
  • GitHub
  • ★ 37
  • BSD-3-Clause

Networking

Badger

  • Active
  • Library
  • Lazarus and Delphi
  • GitHub
  • ★ 36
  • MIT

Networking