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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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GrafanaLokiLogger

⚡ GrafanaLokiLogger is a library designed for integration with Grafana Loki, enabling logs to be sent directly to the API in a simple and efficient manner.

  • Active
  • Library
  • Lazarus and Delphi
  • GitHub
  • ★ 20
  • Apache-2.0

Networking

FB4D

Open Source Library for connecting Firebase by Delphi VCL/FMX

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

Database Networking

aviutl_rampreview

AviUtl用プラグイン「拡張編集RAMプレビュー」

  • Quiet
  • Application
  • Lazarus
  • GitHub
  • ★ 117
  • MIT

Multimedia

rnl

RNL - Realtime Network Library - The opensource reliable UDP network library

  • Active
  • Library
  • Lazarus and Delphi
  • GitHub
  • ★ 90
  • Zlib

Networking

Concepts

A collection of modules which demonstrate some programming concepts and Delphi libraries.

  • Active
  • Other
  • Delphi
  • GitHub
  • ★ 77
  • Apache-2.0

Learning and Examples

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

SedaiBasic

SedaiBasic Interpreter with VM

  • Active
  • Application
  • Lazarus
  • GitHub
  • ★ 31
  • GPL-3.0

Language Tools

Oz-SGL

Standard Generic Library (SGL) for Pascal using records with heap memory allocator and typed memory regions.

  • Quiet
  • Library
  • Delphi
  • GitHub
  • ★ 25
  • Apache-2.0

Other

Colligo

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

Other

VittixDBGridController

Advanced feature-rich VCL DBGrid replacement for Delphi with filtering, grouping, summaries, and multi-format export support

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 9
  • MIT

Data controls

deltoo

Delphi libraries

  • Quiet
  • Library
  • Delphi
  • GitHub
  • ★ 6
  • MIT

Other

Formula4D

A typed formula and business-rule engine for Delphi, with validation, traceable execution, and portable JSON rule packages.

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

Other

DBGridController

TdxDBGridController is a non visual component with no dependencies providing added functionalities for the TDBGrid object.

  • Active
  • Package
  • Lazarus
  • GitLab
  • ★ 3

Database

CROComponents

Delphi VCL component library providing data-aware controls integrated with RemObjects Remoting SDK

  • Active
  • Application
  • Delphi
  • GitHub
  • ★ 1

Other

MWQ_ThreadPool

Quota-aware, rate-limited Delphi thread pool with priorities and dynamic workers.

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

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

tb_smc

TBQuant开拓者 聪明钱期货交易策略，核心方法是：公允价值缺口、摆动高低点、结构突破与特征改变、订单块、流动性、前周期高低点；交易思想是：高周期定方向、中周期定结构、低周期找入场、多模块加权共振、多模态约束止损止盈。TBQuant Pioneer Smart Money Futures Trading Strategy. It combines higher-timeframe direction, middle-timeframe structure, lower-timeframe entries, multi-module weighted resonance, and multimodal stop-loss/take-profit constraints.

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

Other