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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.

PascalContainer

Generic pascal data structure with B-Tree, B+-Tree, B*-Tree, T-Tree, HashMap, priority queue, red-black-Tree, AVL-tree, Quad-Tree, SkipList, Sortable Single Linklist, Sort Function, LockFreeQueue. contributor: gcarreno at github

  • Active
  • Package
  • Lazarus
  • GitHub
  • ★ 54
  • BSD

Other In the Online Package Manager

LGenerics

Generic algorithms and data structures for Lazarus/Free Pascal

  • Active
  • Package
  • Lazarus
  • GitHub
  • ★ 139
  • Apache-2.0

Other

DGPQueue

Generic priority queue for Delphi

  • Quiet
  • Library
  • Delphi
  • GitHub
  • ★ 8
  • Apache-2.0

Other

pascaladt

A library of algorithms and data structures for the Free Pascal Compiler.

  • Quiet
  • Library
  • Lazarus
  • GitHub
  • ★ 6
  • LGPL-2.1

Other

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

rnl

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

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

Networking

DelphiMultithreadingBookCodeEnglishEdition

This repository contains all the source code for the practical examples in the book "Delphi Multithreading: Threads, Concurrency, Parallelism and Asynchronous Programming", written by Cesar Romero.

  • Active
  • Other
  • Delphi
  • GitHub
  • ★ 42

Learning and Examples

Logify

Logify MetaLogger for Delphi

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 38
  • MIT

System

libpasc-algorithms

libPasC-Algorithms is delphi and object pascal library of common data structures and algorithms. The library is a set of containers adapted for the Pascal language and the template system available on it.

  • Archived
  • Library
  • Lazarus and Delphi
  • GitHub
  • ★ 27
  • MIT

Other

EZDSL

Easy Data Structures for Delphi

  • Quiet
  • Library
  • Delphi
  • GitHub
  • ★ 25

Other

DelphiMultithreadingBookCode

Este repositório contém todo o código-fonte dos exemplos práticos do livro "Delphi Multithreading: Threads, Concorrência, Paralelismo e Assincronismo", escrito por Cesar Romero.

  • Active
  • Other
  • Delphi
  • GitHub
  • ★ 23

Learning and Examples

tina4delphi

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

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

Networking

pasriscv

PasRISCV is a RV64GCV/RVA23 RISC-V emulator, which is implemented in Object Pascal

  • Active
  • Application
  • Lazarus and Delphi
  • GitHub
  • ★ 17
  • Zlib

System

VSoft.Process

A Delphi library for running processes and capturing out, interacting with it.

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 16
  • Apache-2.0

System

CrystalPathFinder

Crystal Path Finder is a high-performance pathfinding engine developed with Delphi and the FMX (FireMonkey) framework. It goes beyond simple grid-based algorithms by analyzing real-world map images (Height Maps) to simulate and calculate optimal paths based on terrain difficulty in real-time.

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 11

Games and Game Engines

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

pascal-amqp-faa

AMQP 0-9-1 client and broker for Free Pascal/Lazarus and Delphi in a single codebase. The embeddable broker (TAMQPServer) runs inside your application with no RabbitMQ install: exchanges, publisher confirms, mandatory/return, TTL, dead-letter, priorities and optional durability via WAL. MIT.

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

Networking

horse-provider-mormot

High-performance, security-hardened Mormot 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
  • Lazarus and Delphi
  • GitHub
  • ★ 6
  • MIT

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

novamonitor

Modern, high-performance Delphi & Free Pascal system telemetry and process inspection dashboard (MVVM architecture, High-DPI, Dark/Light theme).

  • Active
  • Application
  • Lazarus and Delphi
  • GitHub
  • ★ 5
  • MIT

System

delphi-logging-facade

A flexible, SLF4J-inspired logging facade for Delphi

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

Other

-TyCad

A cross-platform schematic program for FreePascal/Lazarus, ported from TinyCAD. Reads and writes TinyCAD designs and libraries, with extended functionality for schematics.

  • Active
  • Package
  • Lazarus
  • GitHub
  • ★ 1
  • LGPL-2.1

Other

anvil

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

  • Active
  • Library
  • GitHub
  • ★ 1
  • MIT

Other

delphi-concurrent-pool

A bounded queue, worker and pool for Delphi, with a portable core tested under Free Pascal in CI.

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

Other

MWQ_ThreadPool

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

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

Other

Pascal-Event-Pump

A lightweight and efficient event pump implementation for Free Pascal, designed to manage and execute queued event callbacks with minimal overhead.

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

Other

tms.demos.aimaildesk

TMS AI Mail Desk: Delphi FMX demo of AI mail triage with TMS AI Studio (MCP server + client), FNC Cloud Pack and FNC UI Pack

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

Other

DelphiMultithreadingBookCode

Este repositório contém todo o código-fonte dos exemplos práticos do livro "Delphi Multithreading: Threads, Concorrência, Paralelismo e Assincronismo", escrito por Cesar Romero.

  • Active
  • Other
  • Delphi
  • Codeberg

Learning and Examples

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

ke-graph-bridge

Bridge code graphs with knowledge-engine concepts and dependencies

  • Other
  • Lazarus
  • GitHub

Other