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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.

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Beta-Update

Public beta for the next update of Droptop. Try out experimental features.

  • Active
  • Application
  • Delphi
  • GitHub
  • ★ 4

System

CalcuFp

New version: CalcuFP program is a calculator software (beta version), has a wide range of mathematical functions, specific functions for different subjects (ex.- IPv4 functions), Apart from being able to have on hand an wide range of functions, allows to use different numbering systems WITHOUT CHANGING MODES. We can sum operations decimal, binary and hexadecimal mixed. Example. - 25 + BIN ('111 ') + HEX (' FF ') -> this is equivalent to adding the integer 25 +7 (binary) +255 (hexadecimal) = 287. Allows use of predefined variables and constants. Creating user functions. It has a programming section through type pascal scripts (still in testing), It has a multimedia viewer to store documentation that we have on hand for our daily tasks. Aside calculators comes with color coded for resistors, inductors and capacitors. Support matrix calculation. Solving systems of n equations. Periodic table of elements. QR code generator Create new User functions with pascal script.

  • Active
  • Application
  • SourceForge
  • Apache License V2.0, Creative Commons Attribution License

Science

rdpwrap

RDP Wrapper Library

  • Quiet
  • Application
  • Delphi
  • GitHub
  • ★ 16,962
  • Apache-2.0

Networking System

pasta80

Turbo Pascal 3.0-compatible compiler that generates machine code for classic and modern Z80 machines (currently CP/M, Sinclair ZX Spectrum 48K/128K/Next, and Agon Light/Console8).

  • Active
  • Application
  • GitHub
  • ★ 207

Language Tools

neural-api

CAI NEURAL API - Pascal based deep learning neural network API optimized for AVX, AVX2 and AVX512 instruction sets plus OpenCL capable devices including AMD, Intel and NVIDIA.

  • Active
  • Library
  • Lazarus and Delphi
  • GitHub
  • ★ 465
  • LGPL-2.1

Science

keynote-nf

Tabbed notebook with RichText editor, multi-level notes and strong encryption.

  • Active
  • Application
  • Delphi
  • GitHub
  • ★ 361
  • MPL-2.0

Edit and Memos

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

EPANET2.2

Perform extended-period simulation of the hydraulic and water quality behavior within drinking water distribution systems

  • Active
  • Application
  • Delphi
  • GitHub
  • ★ 265

Science

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

Delphi-LightSaber

Lots and lots of "goodie" functions and 70 visual controls. More than 15 years of development have been put in this library. The library also wants to be a lightweight replacement for the mammoth Delphi Jedi library.

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

Other

raster-master

Raster Master Sprite/Icon/Map/Animation/Sound editor for Windows 7/8/10/11 Multiple Import/Export formats. Use sprite sheets to import graphics. Create your own sprite sheets. Create modern web games or retro games

  • Active
  • Application
  • Lazarus
  • GitHub
  • ★ 111
  • MIT

Graphics

DelphiDeepseek

The Deepseek API wrapper for Delphi leverages Deepseek’s advanced models to deliver powerful capabilities for seamless and dynamic conversational interactions, including a model optimized for reasoning, and now also supports running local models through an LM Studio server.

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 100
  • MIT

Networking

run-as-attached-networked

RunAsAttached is a program to run a console as another user and keep new console attached to caller console. Support reverse shell mode (Ex: Netcat)

  • Quiet
  • Application
  • Delphi
  • GitHub
  • ★ 79

Security System

ccdciel

A CCD capture software intended for the amateur astronomer.

  • Active
  • Application
  • Lazarus
  • GitHub
  • ★ 59

Science

Delphi_Remote_Desktop

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

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

Networking

OverbyteICS

OverbyteICS. Outdated copy of SVN repository

  • Quiet
  • Library
  • Delphi
  • GitHub
  • ★ 38

Networking

Azote

Fast and lightweight AArch64 disassembler.

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

Language Tools

gmlib_v2

Google Maps Library v2 is an open source library that encapsulates the Google Maps API.

  • Active
  • Package
  • Lazarus and Delphi
  • GitHub
  • ★ 30

Graphics

Delphi_Delta_ScreenShot_And_RDP

Fast Delphi screen sharing by sending only the pixels that changed. Great for low-bandwidth or real-time desktop streaming. Included RDP Demo!

  • Active
  • Application
  • Delphi
  • GitHub
  • ★ 28
  • MIT

Graphics Networking

DelphiMistralAI

DelphiMistralAI wrapper brings Mistral’s text-vision-audio models and agentic Conversations to Delphi, with chat, embeddings, Codestral codegen, fine-tuning, batching, moderation, async/await helpers and live request monitoring.

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 28
  • MIT

Networking

PKCS7Extractor

PKCS#7 Extractor library for Delphi

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

Cryptography

Delphi_Audio-Link_Components

Easy To Use Drag And Drop Audio Components For Delphi (Windows OS) Now With Audio Injection Support!

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

Multimedia

opaR

Port of R.NET to Embarcadero Delphi

  • Quiet
  • Library
  • Delphi
  • GitHub
  • ★ 21

Bindings Science

Toon4D

Delphi JSON to TOON encoder - 30-60% token reduction for LLM prompts

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

Other

Slumber

App for testing HTTP/HTTPS calls

  • Active
  • Application
  • Delphi
  • GitHub
  • ★ 19
  • MIT

Networking

ts2pas

A node.js tool to convert TypeScript definition files to DWScript based Object Pascal headers

  • Active
  • Application
  • GitHub
  • ★ 18
  • MIT

Language Tools

vti

Vortex Tracker Improved

  • Quiet
  • Application
  • Delphi
  • GitHub
  • ★ 18

Multimedia

trndi

Trndi - CGM monitoring app

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

Science

RDPWrap

RDP Wrap

  • Quiet
  • Application
  • Delphi
  • GitHub
  • ★ 11
  • Apache-2.0

Networking

xedit-scripts

A general repository of scripts I've made myself, worked on with others, or were made for me.

  • Quiet
  • Other
  • GitHub
  • ★ 10
  • MPL-2.0

Games and Game Engines

Integrated-Testing-Helper

A RAD Studio IDE plug-in to run console applications before and after compilation along with zipping the project source for archiving.

  • Quiet
  • Library
  • Delphi
  • GitHub
  • ★ 8

Lazarus IDE plugins

selfboot-inducer

Selfboot Inducer is a program made for creating homebrews compilations for your Sega Dreamcast video-games console.

  • Quiet
  • Application
  • Delphi
  • GitHub
  • ★ 8
  • GPL-3.0

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

ClickRecorder

An experiment with Delphi, screenshots like the PSR from Windows.

  • Active
  • Other
  • Delphi
  • GitHub
  • ★ 6
  • MIT

Graphics

dbdesigner-fork

Treat it as an early beta: DB Designer Fork is a fork of the fabFORCE DBDesigner 4. It integrates entity relationship design,front-end (you can run queries) and SQL exporting.DB Designer Fork generates SQL scripts for Oracle, SQL Server, MySQL, FireBird, SQLite and PostgreSQL.

  • Active
  • Application
  • Lazarus and Delphi
  • GitHub
  • ★ 6

Database

modshell

Command-driven scriptable Modbus utility

  • Active
  • Application
  • Lazarus
  • GitHub
  • ★ 6
  • EUPL-1.2

Networking

Turing

A programming language with multi-purpose used for developers, who is making applications, website, AI,...

  • Quiet
  • Application
  • GitHub
  • ★ 6
  • GPL-3.0

Language Tools

Xinorbis

Powerful storage (ssd/folder/hd/usb drive) analysis. Version 10 in progress (C++ rewrite).

  • Active
  • Application
  • Delphi
  • GitHub
  • ★ 5

Files and Drives

Designer

A visual form designer for .dfm files. Opens a form outside the IDE and loads the installed design-time packages, so every component is a real instance, no placeholders, and the inspector's rows come from the property editors those packages register. The form editor of Vallenta Studio for VS Code

  • Active
  • Application
  • Delphi
  • GitHub
  • ★ 4
  • MIT

Applications

pxx

One from-scratch compiler for Pascal, C and Python: native static binaries for Linux (x86-64, i386, aarch64, arm32, riscv32), wasm32, and ESP32-S3/C3 firmware. Own RTL, ELF writer and linker; self-hosting. Beta 0.1 'Blaise'.

  • Active
  • Application
  • Lazarus
  • GitHub
  • ★ 4
  • MPL-2.0

Language Tools

BonziClaude

Desktop companion powered by Claude Code's buddy_react API. BonziBuddy meets Claude.

  • Active
  • Application
  • Lazarus
  • GitHub
  • ★ 3
  • MIT

Applications

netmodem2irc

NetModem/32 revival — virtual COM port FOSSIL Telnet server for classic Windows + DOS i8086 bridge. 34 tests, fpcirc cross-compile.

  • Active
  • Application
  • Lazarus
  • GitHub
  • ★ 3
  • GPL-3.0

Networking

dbgpPlugin

A DBGP debugger plugin for Notepd++

  • Quiet
  • Library
  • Delphi
  • GitHub
  • ★ 2
  • GPL-2.0

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

Multicast-Events

Multicast tNotifyEvent or tDataSetNotifyEvent with Delphi

  • Quiet
  • Library
  • Delphi
  • GitHub
  • ★ 2

Other

tasmotasbacker

Lightweight utility to backup multiple Tasmota devices

  • Quiet
  • Application
  • Lazarus
  • GitHub
  • ★ 2
  • 0BSD

System

uniwamp

Portable Windows web development stack with Apache, MariaDB, PHP, Node.js, Composer, virtual hosts, and essential developer tools.

  • Active
  • Application
  • Delphi
  • GitHub
  • ★ 2
  • MIT

Networking

delphi-toon

TOON Format for Delphi

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

Other

lazbounce

A simple retro ping-pong game built using Pascal programming language

  • Quiet
  • Application
  • Lazarus
  • GitHub
  • ★ 1
  • Apache-2.0

Games and Game Engines