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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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Map-Coloring-By-CSP

Graph coloring by CSP (CONSTRAINT SATISFACTION PROBLEMS) algorithms from Russell And Norvig's "Artificial Intelligence - A Modern Approach" - Chapter 5.

  • Quiet
  • Application
  • Delphi
  • GitHub
  • ★ 2

Science

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

Cmulator

Cmulator is ( x86 - x64 ) Scriptable Reverse Engineering Sandbox Emulator for shellcode and PE binaries . Based on Unicorn & Zydis Engine & javascript

  • Archived
  • Application
  • Lazarus
  • GitHub
  • ★ 304
  • AGPL-3.0

Security

mb3d

Mandelbulb3D

  • Quiet
  • Application
  • Delphi
  • GitHub
  • ★ 204
  • LGPL-2.1

Graphics

mcx

Monte Carlo eXtreme (MCX) - Physically accurate and validated GPU ray-tracer

  • Active
  • Application
  • Lazarus
  • GitHub
  • ★ 197

Science

steampipe-mod-aws-perimeter

Is your AWS perimeter secure? Use Powerpipe and Steampipe to check your AWS accounts for public resources, resources shared with untrusted accounts, insecure network configurations and more.

  • Active
  • Other
  • GitHub
  • ★ 114
  • Apache-2.0

Security

steampipe-mod-aws-thrifty

Are you a Thrifty AWS dev? This mod checks your AWS accounts for unused and under-utilized resources using Powerpipe and Steampipe.

  • Active
  • Other
  • GitHub
  • ★ 102
  • Apache-2.0

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

MoonCompiler

Delphi 12-compatible Pascal compiler for Win64 and Linux x86-64. Your Delphi code builds on Linux unchanged — and often runs faster. FPC/Unleashed fork with Unicode RTL and bundled memory manager.

  • Active
  • Application
  • Lazarus and Delphi
  • GitHub
  • ★ 45

Language Tools

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

NppUISpy

With this plugin for Notepad++ you can figure out the menu command IDs of menu items and toolbar buttons

  • Active
  • Application
  • Delphi
  • GitHub
  • ★ 25
  • GPL-3.0

Edit and Memos

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

Delphi-SupportUnits

Various units for resolving issues or expanding/correcting Delphi functionality

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 17
  • Unlicense

Other

Lude

Lua 5.1, natively ported to Delphi and FreePascal, implementing the Lua 5.1 C ABI as a drop-in replacement for lua5.1.dll / .so / .dylib

  • Active
  • Library
  • Lazarus and Delphi
  • GitHub
  • ★ 11

Language Tools

PCMAudio

PCM Audio Backend

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 10
  • MIT

Multimedia

steampipe-mod-gcp-thrifty

Are you a Thrifty GCP dev? This mod checks your GCP project(s) for unused and under-utilized resources using Powerpipe and Steampipe.

  • Active
  • Other
  • GitHub
  • ★ 10
  • Apache-2.0

Other

LangVM

LangVM is a Turing-complete language workbench for rapidly building custom programming languages. Using `.lvm` scripts, developers define lexing, Pratt parsing, semantics, MIR, and code generation without recompiling. It can run standalone or embedded in Delphi, enabling fast iteration and native, cross-platform language development.

  • Archived
  • Library
  • Delphi
  • GitHub
  • ★ 7

Language Tools

steampipe-mod-gcp-labels

Is your GCP labels strategy following best practice? This mod checks if your GCP resource labels are set correctly to help you manage them effectively using Powerpipe and Steampipe.

  • Active
  • Other
  • GitHub
  • ★ 7
  • Apache-2.0

Other

steampipe-mod-oci-thrifty

Are you a Thrifty Oracle Cloud dev? This mod checks your Oracle Cloud account(s) for unused and under-utilized resources using Powerpipe and Steampipe.

  • Active
  • Other
  • GitHub
  • ★ 7
  • Apache-2.0

Other

FMXInput

Standalone Delphi desktop input library (not only FMX)

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

System

Memory-DLL-Loader

Simple, Easy, Reliable Implement To Load DLLs From Memory Stream In Delphi

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 6

System

steampipe-mod-azure-tags

Is your Azure tagging strategy following best practice? This mod checks if your Azure resource tags are set correctly to help you manage them effectively using Powerpipe and Steampipe.

  • Active
  • Other
  • GitHub
  • ★ 6
  • Apache-2.0

Other

mb3d-lazarus

Lazarus and Free Pascal port of Mandelbulb3D for creating and rendering three-dimensional fractal art.

  • Active
  • Application
  • Lazarus
  • GitHub
  • ★ 5
  • LGPL-2.1

Graphics

NaiveGUI

Client/Server configuration GUI for NaiveProxy and Caddy

  • Active
  • Application
  • Lazarus
  • GitHub
  • ★ 4
  • GPL-3.0

Networking

HelperClass

Delphi Helper Class Units

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

Other

generic-soa

A mORMot 2 sample: one generic SOA method per direction runs named SQL templates

  • Active
  • Other
  • Lazarus
  • GitHub
  • ★ 2
  • MIT

Learning and Examples

LnkISAPI-Filter-Loader

ISAPI Filter Loader (Load DLL ISAPI on fly). Autor: Daniel "sakura" Wischnewski

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 2

Networking

PasClaude

A terminal coding agent for Windows, written in Free Pascal. No dependencies beyond the FPC RTL.

  • Active
  • Application
  • Lazarus
  • GitHub
  • ★ 2
  • MIT

Applications

PhosphorIDE

PhosphorIDE - a Lazarus/LCL editor for Phosphor BASIC. Edits, checks, compiles and runs .bas by spawning the phosphor host as a child process, never linking it. Windows + Linux, MIT.

  • Active
  • Application
  • Lazarus
  • GitHub
  • ★ 2
  • MIT

Edit and Memos

-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

ELEcro

A simple viewer for electrophysiological data (EMG, ERP, EEG)

  • Quiet
  • Application
  • Lazarus
  • GitHub
  • ★ 1
  • BSD-2-Clause

Science

Latinator

Whitaker's Words on Steroids: reverse-engineered, re-architected, rewritten, expanded. Noun and Verb tables, Lewis & Short Latin Dictionary lookup. Now with added macrons!

  • Active
  • Application
  • Delphi
  • GitHub
  • ★ 1
  • GPL-3.0

Other

LUX.Render

3D Rendering Library for Delphi.

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 1
  • MIT

Graphics

nsis-simple-service-plugin

SimpleSC – NSIS plugin to manage Windows services: install, remove, start, stop, pause and restart services, query and change their configuration, logon account and failure actions. ANSI and Unicode builds.

  • Active
  • Application
  • Delphi
  • GitHub
  • ★ 1

Other

ParseKit

Parse() is a comprehensive Delphi-based toolkit designed to streamline the entire process of compiler construction. By providing a unified API, it allows developers to define a custom programming language’s syntax and logic within a single configuration object. The system manages the complex transition from source text to native binaries.

  • Active
  • Application
  • Delphi
  • GitHub
  • ★ 1

Other

rockskunk

High-performance (eventually), no guardrail, SIMD forward language compiling to NASM.

  • Active
  • Library
  • GitHub
  • ★ 1

Other

steampipe-mod-alicloud-thrifty

Are you a Thrifty Alibaba Cloud dev? This mod checks your Alibaba Cloud account(s) for unused and under-utilized resources using Powerpipe and Steampipe.

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

Database

steampipe-mod-azure-perimeter

Is your Azure perimeter secure? Use Powerpipe and Steampipe to check your Azure subscriptions for public resources, insecure network configurations and more.

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

Database Networking

Boss

. Dependency Manager for Delphi projects.

  • Application
  • Delphi
  • GitHub

Language Tools