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Catalog

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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Cryptomeria

Cryptomeria is a thin wrapper library around TPLockBox, which enables you to encrypt/decrypt data easily and safely

  • Archived
  • Library
  • Delphi
  • GitHub
  • ★ 6
  • LGPL-3.0

Cryptography

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

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

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

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

DelphiOpenAI

OpenAI (and DeepSeek, Azure OpenAI, YandexGPT, Ollama, GigaChat, Qwen) API wrapper for Delphi. Use ChatGPT, DALL-E, Whisper and other products.

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 318
  • MIT

Networking

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

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

DelphiGrpc

DelphiGrpc is a Delphi implementation of the realtime and streaming gRPC protocol (http://grpc.io).

  • Quiet
  • Library
  • Delphi
  • GitHub
  • ★ 189
  • Apache-2.0

Networking

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

DelphiComponents

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

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

Other

rnl

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

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

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

DelphiAnthropic

The Anthropic API wrapper for Delphi leverages cutting-edge models, including Anthropic's advanced Claude series, to deliver powerful features for chat interactions, vision processing, caching, efficient batch processing, connector MCP, skills and managed agents.

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 63
  • MIT

Networking

DelphiGemini

Delphi wrapper for the Google Gemini API: stateless generation and agent workflows with multimodal, streaming, persistent interactions, structured outputs, vector search, batch, image/video generation, and grounding (Search/Maps).

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 52
  • MIT

Networking

StaticCodeAnalyser

Static code analysis for Delphi 12 & 13 and Lazarus / Free Pascal. RAD Studio IDE plugin (32/64-bit) + standalone GUI + CLI, one engine. 201 rules (Pascal AST + DFM/LFM forms): leaks, SQL injection, dead handlers, hardcoded secrets, Unicode & Trojan Source, Win64 pointer bugs. SARIF for CI/CD, SonarQube push.

  • Active
  • Application
  • Lazarus and Delphi
  • GitHub
  • ★ 43

Language Tools

csscontrols

Implementation of basic css drawing for pascal (fpc, lazarus, delphi)

  • Active
  • Package
  • Lazarus and Delphi
  • GitHub
  • ★ 38
  • Apache-2.0

GUI containers Graphics

cpm86-crossdev

CP/M-86 (and MS-DOS 1.1/2.0) cross development environment

  • Active
  • Application
  • GitHub
  • ★ 32
  • MIT

Language Tools

DX.Logger

Minimalistic cross-platform logging library for Delphi with extensible provider architecture

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 30
  • MIT

Other

gmlib_v2

Google Maps Library v2 is an open source library that encapsulates the Google Maps API.

  • Active
  • Package
  • Lazarus and Delphi
  • GitHub
  • ★ 30

Graphics

PineEngine

A Pine Script interpreter written in Delphi and Free Pascal, designed to execute scripts and return results as JSON.

  • Active
  • Application
  • Lazarus and Delphi
  • GitHub
  • ★ 28

Language Tools

Telltale-Speech-Extractor

A program that enables you to rip the voices and sfx from games released by Telltale Games

  • Active
  • Application
  • Delphi
  • GitHub
  • ★ 28

Multimedia

ZUGFeRD-for-Delphi

ZUGFeRD / Factur-X Implementation for Delphi

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 23
  • Apache-2.0

Other

file2knowledge

Delphi Lab showcasing OpenAI's v1/responses endpoint with vector search, integrations, and session-based chat. Practical integration of generative AI. Also manages Deep Research.

  • Active
  • Other
  • Delphi
  • GitHub
  • ★ 22

Learning and Examples

LlamaKit

Delphi wrappers and compiled Windows DLLs for local LLM inference and embeddings via llama.cpp

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 21

Bindings

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

tina4delphi

Tina4Delphi - A comprehesive set of tools to make REST and application integration better

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

Networking

Delphi-RAG-Lint

Delphi-native, MIT-licensed RAG + linter for Delphi/Pascal source code. Symbol-exact + fuzzy + tree-sitter lint. Pure Delphi at runtime.

  • Active
  • Application
  • Delphi
  • GitHub
  • ★ 19
  • MIT

Language Tools

Examples

Collection of useful and mostly non trivial examples that can be used to start own projects

  • Active
  • Other
  • Lazarus
  • GitHub
  • ★ 18

Learning and Examples

Ooogles

Object Oriented OpenGL-ES 2.0

  • Quiet
  • Library
  • Delphi
  • GitHub
  • ★ 16
  • BSD-2-Clause

Graphics

Telegram4D

Telegram Bot API library for Delphi and Free Pascal

  • Active
  • Library
  • Lazarus and Delphi
  • GitHub
  • ★ 13
  • Apache-2.0

Networking

Delphi-nghttp2

HTTP/2 and gRPC for Delphi and Free Pascal, built on libnghttp2. Framework-agnostic gRPC layer — protobuf codec, service registry, dispatcher, all four RPC shapes — plus a .proto code generator accepting 99.5% of real googleapis schemas. epoll/IOCP event loops, TLS/mTLS, graceful shutdown.

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

Networking

HIDAPI.pas

Free Pascal bindings for libhidapi on Linux

  • Quiet
  • Library
  • Lazarus
  • GitHub
  • ★ 9

Bindings

horse-provider-crosssocket

High-performance, security-hardened CrossSocket provider for the Horse web framework. Replaces the default Indy provider with IOCP/epoll async I/O, an object pool, enforced request limits, and OpenSSL 3.x native TLS.

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 9

Networking

LUX.GPU.OpenGL

OpenGL を扱うためのライブラリ。

  • Active
  • Library
  • GitHub
  • ★ 9

Graphics

JD-TMDB

TMDB API Wrapper for Delphi

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

Networking

MyraLang

Myra is a minimal systems programming language inspired by Oberon and Pascal that compiles into C++23 using the Zig toolchain. Its core philosophy emphasizes a clean, unambiguous syntax while providing seamless interop, allowing developers to intermix raw C++ code directly within Myra source files. Pascal. Refined.

  • Archived
  • Application
  • Delphi
  • GitHub
  • ★ 8

Language Tools

WindowsMessaging

A lightweight, component-based wrapper for inter-process communication (IPC) in Delphi using the WM_COPYDATA protocol. This package allows you to send and receive strings or data structures between separate Windows applications with minimal configuration.

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

System

DelphiBoostPack

A comprehensive suite of utilities enhancing Delphi development needs.

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 7
  • GPL-3.0

Other

DAPUG-2026

Everything AI — DAPUG 2-day workshop on AI-assisted Delphi development and shipping AI features inside Delphi applications.

  • Active
  • Other
  • Delphi
  • GitHub
  • ★ 6
  • MIT

Learning and Examples

IridiumSimulator

Interactive desktop simulator for systems biology

  • Active
  • Application
  • Delphi
  • GitHub
  • ★ 6
  • MIT

Science

mormot2-ai

mORMot2-based AI/LLM extension for Free Pascal and Delphi: MCP server, LLM clients, embeddings, vector stores, RAG

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

Networking

superterm

Native GNU/Linux, macOS, and Windows terminal workspace; shared sessions and SSH on POSIX hosts.

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

Networking

delphi-aikit

Utilities for AI-assisted Delphi code analysis and builds.

  • Active
  • Application
  • Delphi
  • GitHub
  • ★ 5

Language Tools

glr

[Finished] glrenderer — Delphi game development framework (OpenGL, Bass, Box2D) for Windows

  • Archived
  • Library
  • Delphi
  • GitHub
  • ★ 5

Games and Game Engines

WMIObject

Delphi interface for interfacing WMI

  • Quiet
  • Library
  • Delphi
  • GitHub
  • ★ 5
  • MIT

System

c_dwscript

ObjectPascal scripting engine for C (DWScript wrapper DLL)

  • Quiet
  • Library
  • Lazarus and Delphi
  • GitHub
  • ★ 4

Language Tools

Ouress

An Opinionated Underlabouring Research Environment for the Social Sciences

  • Active
  • Application
  • Lazarus
  • GitHub
  • ★ 4
  • BSD-3-Clause

Science

pxx

One from-scratch compiler for Pascal, C and Python: native static binaries for Linux (x86-64, i386, aarch64, arm32, riscv32), wasm32, and ESP32-S3/C3 firmware. Own RTL, ELF writer and linker; self-hosting. Beta 0.1 'Blaise'.

  • Active
  • Application
  • Lazarus
  • GitHub
  • ★ 4
  • MPL-2.0

Language Tools

tv3

Classes-based Turbo Vision

  • Active
  • Library
  • GitHub
  • ★ 4

Other

dynamod

Dynamic-loading class, and program to wrap an Object Pascal .inc file for static and dynamic linkage.

  • Active
  • Library
  • Lazarus
  • GitHub
  • ★ 3
  • GPL-2.0

Language Tools

XPlaneSDK

X-Plane SDK Source Code (updated frequently)

  • Quiet
  • Library
  • GitHub
  • ★ 3

Bindings