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Catalog

30,061 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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CryptoLib

Set of units for cryptography, ciphers, security, random numbers. Also contains BigInteger class.

  • Active
  • Package
  • Lazarus and Delphi
  • GitHub
  • ★ 266
  • MIT License

Cryptography In the Online Package Manager

5.0 from 1 member

flixaccounting

Build a non-trivial software project with Delphi

  • Quiet
  • Other
  • Delphi
  • GitHub
  • ★ 6

Database

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

delphimvcframework

DMVCFramework (for short) is a popular and powerful framework for Web API and Web Applications in Delphi. Supports RESTful and JSON-RPC WEB APIs development.

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 1,420
  • Apache-2.0

Networking

horse

Fast, opinionated, minimalist web framework for Delphi

  • Active
  • Library
  • Lazarus and Delphi
  • GitHub
  • ★ 1,383
  • MIT

Networking

dext

Dext - Modern Full Stack Framework for Delphi

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 330
  • Apache-2.0

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

Mad-Pascal

Mad Pascal Compiler for 6502 (Atari XE/XL, C64, C4Plus, Neo6502)

  • Active
  • Application
  • Lazarus
  • GitHub
  • ★ 167

Language Tools

Delphi-MCP-Server

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

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

Networking

surf-ice

GLSL surface rendering source code. Compiled versions available from NITRC. Loads 3DS, CTM, DXF, FreeSurfer, GII (GIfTI), GTS, LWO2, MS3D, MZ3, NV (BrainNetViewer), OBJ, OFF, PLY, STL, VTK. Tractography formats include BFloat, PDB, TCK, TRK, and VTK. Also NIfTI format voxelwise images.

  • Active
  • Application
  • Lazarus
  • GitHub
  • ★ 138
  • BSD-2-Clause

Graphics Science

quantoflx

A desktop customization tool based on Rainmeter

  • Archived
  • Application
  • GitHub
  • ★ 135
  • GPL-3.0

Applications

P65Pas

CPU 6502 Pascal Compiler/IDE/Debugger

  • Active
  • Application
  • Lazarus
  • GitHub
  • ★ 132
  • GPL-3.0

Language Tools

SIMsalabim

A 1D drift-diffusion simulator for semiconductor devices (LEDs, solar cells, diodes, organics, perovskites)

  • Active
  • Application
  • GitHub
  • ★ 92
  • GPL-3.0

Science

Task-Runner

This program serves for Software build automation, executing sequential tasks, including database backup/restore, running SQL scripts, Windows shell commands, Pascal scripts, passing variables through the whole task execution chain, and many more. You can set up a list of global parameters, such as Delphi application path, and use these parameters in tasks. You can even call a separated task chain from another task in the same way as you call Delphi procedure or a function, with passing parameters.

  • Quiet
  • Application
  • Delphi
  • GitHub
  • ★ 84
  • GPL-3.0

Language Tools

DX.Pdfium4D

Delphi Cross-Platform Wrapper for Google's PDFium - Object-oriented PDF document handling for Windows, macOS, Android, iOS

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 62
  • MIT

Bindings

Delphi_Remote_Desktop

Easy To Use Drag And Drop Desktop Duplication Components (Work In Progress!)

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

Networking

Chart4D

Native Delphi charting library for VCL and FMX: clean newspaper-style defaults, PNG export, zero dependencies

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 43
  • MIT

Charts and Graphs

Logify

Logify MetaLogger for Delphi

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

System

Longhorn

  • Active
  • Other
  • GitHub
  • ★ 38
  • CC0-1.0

Other

Delphi_Utils_Library

A library with some useful utilities for your Delphi Apps.

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 37
  • BSD-3-Clause-Clear

Other

Aefos

Aefos - Agent Execution Flow Orchestration System

  • Active
  • Package
  • Lazarus and Delphi
  • GitHub
  • ★ 33
  • GPL-3.0

Lazarus IDE plugins

fano

Pascal web application framework

  • Active
  • Library
  • Lazarus
  • GitHub
  • ★ 33
  • MIT

Networking

SedaiBasic

SedaiBasic Interpreter with VM

  • Active
  • Application
  • Lazarus
  • GitHub
  • ★ 31
  • GPL-3.0

Language Tools

wolverine

An offline mail reader for FidoNet-style networks supporting BlueWave and QWK formats.

  • Active
  • Application
  • GitHub
  • ★ 31

Networking

DX.Logger

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

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

Other

vx

Simple Volume Renderer

  • Quiet
  • Application
  • Lazarus
  • GitHub
  • ★ 30

Graphics

PowerVM

Stealth Type-1 Hypervisor designed specifically to debug processes protected by modern Anti-Cheat systems like Tencent ACE and VMProtect

  • Active
  • Application
  • Lazarus
  • GitHub
  • ★ 28
  • MIT

System Security

TR4W

TRLOG 4 Windows free amateur radio logging application

  • Active
  • Application
  • Delphi
  • GitHub
  • ★ 22
  • GPL-3.0

Applications

florialib

Helper library for creating Floria Toolkit

  • Active
  • Package
  • Lazarus
  • GitHub
  • ★ 3
  • MPL-2.0

Other

superpascal

Per Brinch Hansen's SuperPascal compiler and interpreter, ported to Free Pascal for modern 64-bit Linux, with examples and automated tests.

  • Active
  • Application
  • Lazarus
  • GitHub
  • ★ 20
  • MIT

Language Tools

dafce

DAF, Delphi Application Foundations (Community Edition)

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 19

Other

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

MCH_Delphi_Software

Delphi In-memory databases and miscellaneous projects.

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 19

Database

apophysis7x

Cosmic recursive fractal flame editor

  • Quiet
  • Application
  • Delphi
  • GitHub
  • ★ 17
  • GPL-2.0

Graphics

delphi_fake_data_utils

Simple unit to generate fake data for demo, samples, testing etc.

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

Other

pasriscv

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

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

System

SedaiAudio

Sedai Audio Foundation - Professional audio synthesis library in Free Pascal. 5 Synthesis Engines: Classic/Subtractive, FM (DX7-style), Wavetable, Additive, SID Evo.

  • Active
  • Library
  • Lazarus
  • GitHub
  • ★ 16
  • GPL-3.0

Multimedia

Myrissa

Myrissa is a modern systems programming language by Jarrod Davis, combining Pascal readability with robust C ABI interoperability. Written entirely in Delphi, its self-contained compiler generates native x86_64 code for Windows and Linux, with built-in linking, managed strings, unit testing, exception handling, and low-level control.

  • Archived
  • Application
  • Delphi
  • GitHub
  • ★ 15

Language Tools

midiio

A fork from https://bitbucket.org/h4ndy/midiio-dev/src/default/

  • Quiet
  • Library
  • Delphi
  • GitHub
  • ★ 13

Multimedia

trndi

Trndi - CGM monitoring app

  • Active
  • Application
  • Lazarus
  • GitHub
  • ★ 13
  • GPL-3.0

Science

ft

A widget toolkit?

  • Active
  • Library
  • Lazarus
  • GitHub
  • ★ 12
  • MPL-2.0

GUI containers

MT32edit4v

MT-32 sysex editor/programmer companion DLL for MuntVSTi (by Falcosoft)

  • Active
  • Application
  • Delphi
  • GitHub
  • ★ 12
  • LGPL-2.1

Multimedia

QBPlus

QB Plus is a collection of software accessories developed especially for the QuickBASIC programmer.

  • Active
  • Application
  • GitHub
  • ★ 12

Language Tools

OpenBSP-Legacy

id Software's Quake3 .MAP format compiler with BSP tree generation, polygon generation/optimization and bumpmapped lightmapping

  • Quiet
  • Application
  • Delphi
  • GitHub
  • ★ 11
  • MIT

Games and Game Engines

winpacho

All in one file: Apache, PHP, MariaBD or MySQL for Windows with default SSL-Cert for localhost

  • Active
  • Application
  • Lazarus
  • GitHub
  • ★ 10

Networking

DailyPascalModules

📦 Lightweight, zero-dependency Object Pascal micro-modules. Software CPU blitting for retro systems + unified OpenGL bindings for modern hardware. Pure FPC, plug-and-play.

  • Active
  • Library
  • Lazarus
  • GitHub
  • ★ 9
  • BSL-1.0

Graphics

Catheedral

Building a custom Home Assistant UI with TMS WEB Core, ultimately to be deployed on a Raspberry Pi.

  • Active
  • Application
  • Delphi
  • GitHub
  • ★ 8
  • Unlicense

Applications