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Catalog

30,058 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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delphi-slogging

Delphi structured logging framework inspired by .NET logging framework.

  • Archived
  • Library
  • Delphi
  • GitHub
  • ★ 1
  • MIT

Other

delphi-slogging

Delphi structured logging framework inspired by .NET logging framework.

  • Active
  • Library
  • Delphi
  • Codeberg

Other

apollo

Structured logging for Delphi — pluggable sinks, enriched context, JSON output for Seq, Loki, Datadog and more

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 2
  • MIT

Other

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

Kastri

Cross-platform library for Delphi

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 603
  • MIT

System

loggerpro

An modern and pluggable logging framework for Delphi

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 400
  • Apache-2.0

Other

Trysil

A lightweight, attribute-driven ORM for Delphi

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 160
  • BSD-3-Clause

Database

EasyDBMigrator

EasyDbMigrator is a database migration library designed for Delphi(Microsoft SQL SERVER, Oracle, MySQL, MariaDB, PostgreSQL, and Firebird. https://getitnow.embarcadero.com/EasyDBMigrator

  • Quiet
  • Library
  • Delphi
  • GitHub
  • ★ 155
  • MIT

Database

Delphi-MCP-Server

Native Delphi Server implementation of the Model Context Protocol (MCP)

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 143
  • MIT

Networking

Delphi-Promises

Delphi implementation of promises for asynchronous programming.

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

Other

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

GHttpsIOCPSvr

Delphi HTTPS server IOCP and Schannel

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 48
  • MIT

Networking

AdvancedHTTPServer

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

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

Networking

Dialog4D

A Delphi FMX dialog mechanism with async flow, per-form FIFO queueing, custom themes, worker-thread await support, and telemetry.

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 32
  • MIT

Dialogs

mcp-server-delphi

MCP (Model Context Protocol) server library for Delphi. Built on DMVCFramework, it lets you expose tools, resources and prompts via attributes and RTTI. Supports both HTTP Streamable and stdio transports. MCP 2025-03-26 compliant.

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 32
  • Apache-2.0

Networking

DX.Logger

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

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

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

dafce

DAF, Delphi Application Foundations (Community Edition)

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 19

Other

DTerminal

Command terminal for integrating with the Delphi IDE, compatible with WSL, CMD, and PowerShell.

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

Lazarus IDE plugins

Boss4Delphi

Gerenciador de dependências nativo, moderno e leve para projetos Delphi, desenvolvido sob arquitetura hexagonal e com suporte a downloads concorrentes.

  • Active
  • Application
  • Delphi
  • GitHub
  • ★ 17
  • Apache-2.0

Language Tools

maxCron

maxCron: Flexible, lightweight CRON compliant scheduler written in Delphi.

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 17
  • BSD-3-Clause

Date and Time

simplelog-fp

A simple, lightweight, and easy-to-use logging library for Free Pascal applications.

  • Active
  • Package
  • Lazarus
  • GitHub
  • ★ 14
  • MIT

Other

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

tidykit-fp

A comprehensive toolkit for Free Pascal that provides an easy-to-use, unified interface for common operations. Inspired by C++'s Boost.

  • Archived
  • Package
  • Lazarus
  • GitHub
  • ★ 9
  • MIT

Files and Drives

velox-ui

VeloxUI — High-velocity, zero-dependency Object Pascal (Delphi VCL & Lazarus/Free Pascal LCL) desktop MVVM & Windows 11 Fluent UI micro-framework: DWM Mica, undocumented uxtheme dark scrollbars, GDI+ vector cards, High-DPI control fixers, flicker-free generic OwnerData virtual grids, and NT Kernel helpers.

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

GUI containers

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

DelphiCompanion

MaxLogic Delphi Companion (MDC) is a RAD Studio Delphi 12+ IDE add-in focused on fast navigation and build feedback. It provides pickers for projects and units, a problems dialog for Error Insight/build messages, and a small options dialog for shortcuts and behavior.

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

Lazarus IDE plugins

LBToolkit

A thread-safe, Swiss-army toolkit featuring a reactive logging engine (LBLogger), an embedded HTTP server (LBmicroWebServer), seamless integration with the Python and Node.js ecosystems (LBWebPrism), and a fully customizable virtual keyboard (LBVirtualKeyboard). Distributed as a lightweight shared library (.dll/.so) with a clean, C-style API.

  • Active
  • Library
  • Lazarus
  • GitHub
  • ★ 5
  • MPL-2.0

Other

askrcode

Full-stack application framework in Pascal. One binary: HTTP, ORM for Postgres/MySQL/SQLite, migrations, queue, scheduler, auth, and a Svelte 5 component library.

  • Active
  • Library
  • Lazarus
  • GitHub
  • ★ 4
  • MIT

Networking

DelphiDNSApi

Provides Implementations of vendor neutral DNS API editing

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 4
  • MIT

Networking

Ouress

An Opinionated Underlabouring Research Environment for the Social Sciences

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

Science

PaxLang

Pax is a Pascal/Oberon-inspired systems language that compiles to modern C++23 using Zig’s Clang toolchain, with a pass-through design that lets you mix raw C++ and Pax code freely in the same source file.

  • Active
  • Application
  • Delphi
  • GitHub
  • ★ 3

Language Tools

Delphi_pimono

A desktop AI coding assistant built with Delphi

  • Active
  • Application
  • Delphi
  • GitHub
  • ★ 2

Applications

hefesto

Simple, efficient background job processing for Delphi — fluent API, retry, observability and pluggable queue brokers

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 2
  • MIT

Other

Impulse-Next_BBS

Next-generation BBS software - Modernizing the classic Impulse 7.1 BBS from Borland Pascal to Rust for cross-platform operation

  • Active
  • Application
  • GitHub
  • ★ 2
  • Apache-2.0

Applications

LlamaCPPLib

LlamaCPP library for Object Pascal Notebook

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

Bindings

PasDantic

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 2
  • MIT

Other

6432Proxy

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

Other

MyraLang

Myra is a statically-typed, compiled language in the Pascal/Oberon tradition. It transpiles to C++23 and uses Zig as a build backend, producing real x86-64 executables and libraries for Windows and Linux. The backend is invisible. You write Myra. You get binaries. Myra - Pascal. Refined.

  • Active
  • Application
  • Delphi
  • GitHub
  • ★ 1

Other

solver-fpc

SOLVER toolset (W.S.C. Gurney) ported to Free Pascal - ODE/DDE solver with CSV/TSV export and plotting

  • Active
  • Library
  • Lazarus
  • GitHub
  • ★ 1

Charts and Graphs

graphify

AI coding assistant skill (Claude Code, Codex, OpenCode, Cursor, Gemini CLI, and more). Turn any folder of code, SQL schemas, R scripts, shell scripts, docs, papers, images, or videos into a queryable knowledge graph. App code + database schema + infrastructure in one graph.

  • Other
  • Lazarus
  • GitHub

Other

graphify-okf

Graphify fork that emits OKF-compatible Obsidian vaults

  • Other
  • Lazarus
  • GitHub

Other

graphoxide

Native code knowledge graphs for developers and AI agents

  • Other
  • Lazarus
  • GitHub

Other

Kastri

Cross-platform library for Delphi (mirror)

  • Active
  • Library
  • Delphi
  • Codeberg

Other

ke-graph-bridge

Bridge code graphs with knowledge-engine concepts and dependencies

  • Other
  • Lazarus
  • GitHub

Other

universal-agent-skills

Production AI agent skills and tool protocols across Claude Code, Cursor, Antigravity, ChatGPT, and Local LLMs

  • Other
  • Lazarus
  • GitHub

Other