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30,059 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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urlEncodeDecode

Class for URL Encoding and URL Decoding in FreePascal

  • Quiet
  • Library
  • Lazarus
  • GitHub
  • ★ 3
  • Apache-2.0

Networking

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

SimpleBaseLib4Pascal

Object Pascal library for encoding/decoding Base16, Base32, Base58, Base64, Base85.

  • Active
  • Package
  • Lazarus and Delphi
  • GitHub
  • ★ 67
  • MIT

Other

FastBase64

Fast base 64 encoding/decoding using AVX extension

  • Quiet
  • Library
  • Delphi
  • GitHub
  • ★ 15
  • Apache-2.0

Other

jansson-delphi

Delphi binding for Jansson library, which is a C library for encoding, decoding and manipulating JSON data

  • Quiet
  • Library
  • Delphi
  • GitHub
  • ★ 6
  • MIT

Bindings

ntsc_crt_pas

Integer-only NTSC video signal encoding/decoding emulation, Free Pascal port

  • Active
  • Package
  • Lazarus
  • GitHub
  • ★ 6

Graphics

UW_BlurayPGSParser

A Lazarus library for decoding the Blu-ray Presentation Graphics Stream (PGS) subtitles.

  • Active
  • Package
  • Lazarus
  • GitHub
  • ★ 1
  • MPL-2.0

Graphics

API library call APPA109N.DLL

This library (the DLL), to work with a multimeter APPA-109N through physical or virtual COM port over USB in OS NT/2000/2003/XP/Vista/7/8, designed for querying, reading and decoding data measurements APPA WinDMM100 protocol 95/98 and sound measurement data. DLL provides universal access for other applications, regardless of the language in the environment Win OS. DLL for use in their projects comply with the agreement on stdcall-calls. Type of calling convention is declared after the function prototype, whether the listing of functional type or function declaration.

  • Quiet
  • Library
  • SourceForge

System

DelphiHTMLEntities

Unit for decoding HTML entities, since the RTL implementation is severely lacking in entity support

  • Archived
  • Library
  • Delphi
  • GitHub
  • ★ 3
  • Unlicense

Other

lib.SimpleHuffman

Provides classes for encoding and decoding of data using a Huffman tree, as a method of loss-less data compression.

  • Quiet
  • Library
  • Lazarus and Delphi
  • GitHub
  • ★ 1
  • MPL-2.0

Files and Drives

FFDec

The FFDec project intends to build a simple programming interface as one single DLL for video/audio-decoding using the FFmpeg library, so that it can be easily used in other programing languages - especially in Delphi and Free Pascal.

  • Quiet
  • Library
  • Lazarus and Delphi
  • SourceForge
  • GNU Library or Lesser General Public License version 2.0 (LG

Multimedia Bindings

OpenGPSX

Component to demonstrate the real-time tracking, monitoring and decoding signals from GPS receiver (NMEA-183).

  • Package
  • Lazarus
  • GNU General Public License version 2.0 (GPLv2)

System In the Online Package Manager

SimpleBaseLib4Pascal

SimpleBaseLib4Pascal as the name implies is a simple to use Base Encoding Package for Delphi/FreePascal Compilers that provides at the moment support for encoding and decoding various bases such as Base16, Base32 (various variants), Base58 (various variants) and Base64 (various variants) and Base85 (various variants).

  • Library
  • Lazarus and Delphi

Other

skia4delphi

Skia4Delphi is a cross-platform 2D graphics API for Delphi platforms based on Google's Skia Graphics Library. It provides a comprehensive 2D API that can be used across mobile, server and desktop models to render images.

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 793
  • MIT

Graphics

ZXing.Delphi

ZXing Barcode Scanning object Pascal Library for Delphi VCL and Delphi Firemonkey

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 526
  • Apache-2.0

Graphics

delphi-jose-jwt

Delphi implementation of JOSE (JSON Object Signing and Encryption) and JWT (JSON Web Token)

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 521
  • MIT

Security Cryptography

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

DelphiHookUtils

Delphi Hooking Library by Lsuper

  • Active
  • Library
  • Lazarus and Delphi
  • GitHub
  • ★ 164
  • MPL-2.0

System

synapse

Synapse TCP/IP library for Delphi and Freepascal

  • Active
  • Package
  • Lazarus and Delphi
  • GitHub
  • ★ 157

Networking

flre

FLRE - Fast Light Regular Expressions - A fast light regular expression library

  • Active
  • Library
  • Lazarus
  • GitHub
  • ★ 104
  • LGPL-2.1

Language Tools

DelphiComponents

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

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

Other

delphi-webp

WebP Library for Delphi

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 79

Graphics

Markdown4D

Native Delphi Markdown library: CommonMark/GFM parser with public AST, incremental/streaming parsing, HTML renderer, markdown writer, and custom-drawn VCL & FMX viewer/editor components

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 72
  • MIT

Edit and Memos

OverbyteICS

OverbyteICS. Outdated copy of SVN repository

  • Quiet
  • Library
  • Delphi
  • GitHub
  • ★ 38

Networking

Badger

  • Active
  • Library
  • Lazarus and Delphi
  • GitHub
  • ★ 36
  • MIT

Networking

Azote

Fast and lightweight AArch64 disassembler.

  • Quiet
  • Library
  • Lazarus and Delphi
  • GitHub
  • ★ 33
  • MPL-2.0

Language Tools

dolphin

A Delphi/Object Pascal ML framework: GPT-style Transformers + GPU training + tabular DataFrames

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 27

Science

PKCS7Extractor

PKCS#7 Extractor library for Delphi

  • Quiet
  • Library
  • Lazarus and Delphi
  • GitHub
  • ★ 27
  • LGPL-3.0

Cryptography

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

dcpcrypt-lazarus

DCPcrypt Cryptographic Component Library for Lazarus/Free Pascal - 20 ciphers, 10 hashes, 6 block modes, stream encryption, Base64. Pure Pascal, cross-platform.

  • Active
  • Package
  • Lazarus
  • GitHub
  • ★ 23
  • MIT

Cryptography

sqids-pascal

Official Pascal port of Sqids. Generate short unique IDs from numbers.

  • Quiet
  • Package
  • Lazarus and Delphi
  • GitHub
  • ★ 23
  • MIT

Other

i18n

The i18n package is a library of Delphi components, classes, and procedures to fully and easily localize Delphi applications targeting the Windows platform.

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 21
  • MIT

Other

LlamaKit

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

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 21

Bindings

florialib

Helper library for creating Floria Toolkit

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

Other

mp3dp

MP3 decoder for Pascal

  • Quiet
  • Library
  • Lazarus
  • GitHub
  • ★ 20

Multimedia

EncryptDecryptAES

project to encrypt and decrypt data with AES in delphi is simple but can help us for small projects

  • Quiet
  • Library
  • Delphi
  • GitHub
  • ★ 18

Cryptography

sqids-delphi

Delphi port of Sqids. Generate short YouTube-looking IDs from numbers

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 18
  • MIT

Other

DelphiCBOR

Simple Delphi CBOR (Concise Binary Object Representation) implementation

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

Other

fp-idn

IDN and punycode converter (FreePascal)

  • Active
  • Package
  • Lazarus
  • GitHub
  • ★ 16
  • MIT

Networking

pascal_jls

Delphi / Free Pascal Compitable JPEG-LS Codec

  • Quiet
  • Library
  • Lazarus and Delphi
  • GitHub
  • ★ 16
  • MIT

Graphics

ft

A widget toolkit?

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

GUI containers

libvpx-Delphi

Provides Delphi bindings for libvpx v1.14.1 the WebM Project VP8/VP9 codec implementation.

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 12

Bindings

zflate

Self-contained DEFLATE, ZLIB and GZIP compression for Unleashed Pascal. No zlib, no external dependencies: PHP-like function names, levels 0-9, constant-memory streaming, and compression that scales across cores.

  • Active
  • Library
  • Lazarus
  • GitHub
  • ★ 12
  • MIT

Files and Drives

SimdQSort

Quicksort Algorithm implemented using the AVX2 instruction set

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 10
  • Apache-2.0

Science

Delphi11LlamaCppBindings

Delphi 11+ bindings for llama.cpp (b11900+) with full GPU acceleration. Updated from the original Embarcadero fork: new memory API, vocab object, backend loader, CUDA 13, RTX 30xx/40xx/50xx support, Flash Attention, quantized KV cache, Jinja2 chat templates, and multimodal vision inference via the mtmd API.

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

Bindings

DelphiLibOpenSSL

Static OpenSSL bindings for Delphi - provides a complete Pascal translation of OpenSSL APIs and pre-compiled object files for Win32/Win64 static linking.

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 9
  • Apache-2.0

Bindings

glimpse

Total Commander plugin for quick video previews

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 9

Multimedia

Skia4DelphiCanvas

Skia-backed implementation of Vcl.Graphics.TCustomCanvas for Windows/Delphi and FPC on Windows or Linux.

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

Graphics

tc-csvtab2

WLX for Total Commander to show and edit CSV

  • Active
  • Library
  • GitHub
  • ★ 8
  • GPL-2.0

Grids

DelphiBoostPack

A comprehensive suite of utilities enhancing Delphi development needs.

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

Other