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30,060 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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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

CnPack IDE Wizards

CnWizards is CnPack's main products, with the English full name 'CnPack IDE Wizards'. It's a free plug-in tools set used in Delphi 5 6 7 / C++ Builder 5 6 / BDS 2005 2006 2007 2009 2010 to improve our development efficiency.

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

Lazarus IDE plugins

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

Real-include

This is a program (in the form of an interpreted script) that will be written in a pascal derived language known as SCAR. It will serve the same function as another well established program known as SRL, but will focus on efficiency and accuracy.

  • Library
  • SourceForge
  • GNU General Public License version 2.0 (GPLv2)

Games and Game Engines

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

MORMot2

Synopse mORMot is an Open Source Client-Server ORM SOA MVC framework for Delphi 6 up to Delphi 10.3 Rio and FPC, targeting Win/Linux for the server, and any platform for clients (including mobile or AJAX).

  • Active
  • Package
  • Lazarus and Delphi
  • GitHub
  • ★ 733
  • MPL, GPL or LGPL

Database In the Online Package Manager

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

FastMM5

FastMM is a fast replacement memory manager for Embarcadero Delphi applications that scales well across multiple threads and CPU cores, is not prone to memory fragmentation, and supports shared memory without the use of external .DLL files.

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 345

System

DelphiZeroMQ

Delphi implementation of ZeroMQ Majordomo protocol and CZMQ high level binding

  • Quiet
  • Library
  • Delphi
  • GitHub
  • ★ 133

Networking Bindings

pasllm

PasLLM - LLM inference engine in Object Pascal (synced from my private work repository)

  • Active
  • Package
  • Lazarus and Delphi
  • GitHub
  • ★ 108
  • AGPL-3.0

Science

ipub-messaging

Messaging system for communication between classes / layers in delphi

  • Quiet
  • Library
  • Delphi
  • GitHub
  • ★ 63
  • 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

duckdb-fp

A clean and intuitive wrapper for DuckDB in FreePascal, providing easy database operations and DataFrame-like result handling.

  • Active
  • Package
  • Lazarus
  • GitHub
  • ★ 35
  • MIT

Bindings Database

GS.Core

Common tools for projects

  • Active
  • Package
  • Lazarus and Delphi
  • GitHub
  • ★ 33
  • MPL-2.0

Other

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

ulid

Universally Unique Lexicographically Sortable Identifier implementation for Delphi (Object Pascal)

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

Other

rknn4Delphi

rknn4Delphi wraps the RKNN C++ API interfaces, enabling Delphi developers to directly utilize the RKNN inference framework within Delphi.

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 23
  • MIT

Bindings Science

DelphiGroqCloud

The GroqCloud API wrapper for Delphi provides access to models from Meta, OpenAI, MistralAI and Google on Groq’s LPUs, offering chat, text generation, image analysis, audio transcription, JSON output, tool integration, and content moderation capabilities.

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 20
  • MIT

Networking

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

SynkFlowAI

A proof-of-concept async pipeline framework in Delphi to demonstrate modern AI orchestration with Promises, streaming, and chained execution. Designed by a math researcher to demonstrate that modern, elegant AI architectures can emerge from non-mainstream tools.

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 19
  • MIT

Other

DelphiStabilityAI

The Stability API wrapper for Delphi utilizes advanced models developed by Stability.ai to provide capabilities for seamless image, video, and 3D generation, as well as sophisticated editing and upscaling tools, tailored for creative and professional use.

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

Networking

VSoft.Ulid

Universally Unique Lexicographically Sortable Identifier

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 18
  • Apache-2.0

Other

Iterators

Iterator libary for ObjectPascal

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

Other

DToon

DToon - Delphi Support Lib for Toon (Token-Oriented Object Notation)

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

Other

HorseConnection

HorseConnection is a middleware for the Horse framework that simplifies database connection management in Delphi applications. By providing specific connections for each database type, it eliminates repetitive manual configurations, allowing each Horse endpoint to connect automatically and efficiently to the database.

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

Database

tries

Trie base class and derived classes (TStringHashTrie, TIntegerHashTrie). A high performance and low memory footprint Dictionary set of classes

  • Quiet
  • Library
  • Lazarus and Delphi
  • GitHub
  • ★ 11
  • MIT

Other

deltics.smoketest

Smoketest re-imagined. A lightweight, dependency-free unit testing framework for Delphi, with pluggable result formatting (xUnit 2 OOB)

  • Quiet
  • Library
  • Delphi
  • GitHub
  • ★ 10
  • MIT

Language Tools

fpc-tply

TPLY (Turbo Pascal Lex and Yacc), extracted from the Free Pascal source tree at freepascal/utils/tply/

  • Quiet
  • Library
  • Lazarus
  • GitHub
  • ★ 9
  • GPL-2.0

Language Tools

LazarusVision

TUI Framework for Free Pascal using Lazarus LCL pattern for creating Forms/Buttons/Controls

  • Active
  • Library
  • Lazarus
  • GitHub
  • ★ 9
  • MIT

GUI containers

CXComponents

A collection of custom UI components for Lazarus.

  • Active
  • Package
  • Lazarus
  • GitHub
  • ★ 6
  • MIT

GUI containers

Callisto

Lua scripting for Delphi

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 5
  • BSD-3-Clause

Language Tools

prism

GPT Transformer developed in Delphi 13

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 5

Science

SecureSQLHandler

A secure SQL query handling library for Delphi applications that provides obfuscation and protection for SQL statements and parameters.

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

Database

jetLua

jetLua: A best-in-class scripting solution for Delphi.

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

Language Tools

LazULID

Universally Unique Lexicographically Sortable Identifier implementation for Lazarus(Object Pascal)

  • Quiet
  • Library
  • Lazarus
  • GitHub
  • ★ 3
  • MIT

Other

PLUA

Lua for Pascal

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

Language Tools

ShardMM

A scalable memory manager for Delphi on Win64

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 3
  • MIT

System

Delphi.ProcessAffinity.Utils

Utils for Delphi to set and get Process Affinity (also to get mask for performance cores only)

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

System

lmath32

LMath32 is a highly optimized, low-level assembly library that brings robust 32 & 64-bit signed and unsigned integer arithmetic to 16-bit Turbo Pascal applications

  • Active
  • Library
  • GitHub
  • ★ 2
  • MIT

Science

NitroVM

A High-Performance Virtual Machine for Delphi

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

Language Tools

DNR

DOS Navigator Revived

  • Active
  • Library
  • GitHub
  • ★ 1

Other

Phinx

A High-Performance AI Inference Library for ONNX and Phi-4

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 1
  • BSD-3-Clause

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. (mirror)

  • Active
  • Library
  • Delphi
  • Codeberg

Other

mORMot2

OpenSource RESTful ORM/SOA/MVC ToolBox for Delphi and FreePascal (mirror)

  • Active
  • Package
  • Lazarus and Delphi
  • Codeberg

Database