30,098 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.
JVCL is a library with hundreds of visual and non-visual components originally written for Delphi. A majority of the unique components which do not have LCL counter-parts has been ported to Lazarus here. Every component comes with a sample project.
Other In the Online Package Manager
Cross-platform library for Delphi (mirror)
Bridge code graphs with knowledge-engine concepts and dependencies
A USB-C hardware license dongle for professional software: authentication in a secure element, an SDK for 37 languages, and licensing that works offline.
Key Objects Library and Mirror Classes Kit (KOL&MCK) and attendant components for Delphi from Delphi2 to DelphiXE is an alternative to VCL to create small applications for Windows platform, freeware with sources. Project was started in 2000, dozens of programmers have created a lot components, helped in fixing a lot of bugs, write pieces of code in the KOL itself.
Personal library of useful Pascal Units I built.
KOL-CE - Key Objects Library CE is a set of objects to develop powerful (but compact) Windows CE/Pocket PC/Windows Mobile/Win32 GUI applications using Free Pascal. The library is based on KOL library by Vladimir Kladov (http://kolmck.net).
KEY OBJECTS LIBRARY for Delphi (and FPC) - to make applications small and power. This library is freeware and open source. MCK is a kit of mirror classes for the VISUAL project development in Delphi environment using KOL library.
Automatically exported from code.google.com/p/kspnew
Applications developed with Kylix usually depend on some Kylix libraries. This project aims to create packages of these libraries for different distributions.
sdktools unoffical lab.
Automatically exported from code.google.com/p/lazarus-br
Eine "fpcupdeluxe" Installation auf ein externes Laufwerk verschieben.
LazControls is a set of controls that are often used in Lazarus IDE itself, but they can be used elsewhere, too. They are available under the LazControls tab of the Component Palette .
A general Quad-Tree for Objects (and arbitrary data)
Other In the Online Package Manager
A set of tools that help you with your Delphi code (mirror)
Collection of generic algorithms and data structures entirely written in/for FPC and Lazarus.
Other In the Online Package Manager
Collection of generic algorithms and data structures for Free Pascal.
LIBNODAVE, a free library to communicate to Siemens S7 PLCs
Debian packaging for the Pascal Qt bindings
Debian packaging for the Pascal Qt bindings
Custom list types, similar to TStringList: TListOfString, TListOfInt, TListOfBool, TListOfDouble.
Other In the Online Package Manager
This is a delphi library implementing JSON (XML alternative, http://www.json.org) data format and objects structure. Lightweight and fast.
Porting log4j to Delphi and Kylix
Log4Delphi is an Open Source project that aims to produce a high quality and usable logging suite for Borland's Delphi based on the Log4J package from the Apache Software Foundation.
. Delphi A simple but effective visual log control/library. The programmer can send messages to a log window from anywhere in his code. The Log window can be set to automatically pop up when an error message is sent to it. Depending on the chosen verbosity level of the log see the Verbosity property low-level messages like verbose/debug messages are shown or not. Contains: Non-visual log TRamLog Visual log TRichLog
Native pascal language cross-platform GUI toolkit (for Windows and Linux/FreeBSD) with Visual Form Designer and Database access (ODBC).
Lui Controls is a collection of simple visual controls. Currently it has three components: TToggleLabel, TMenuButton and TSearchEdit
manyfold-lzc-app
A MAZsoft's place on the Web
This project provides a pseudo-markdown engine for producing nicely formatted text in terminal windows. The markdown syntax bears no resemblance to what is commonly called markdown, but is instead a custom formulation.
Metaphone is a phonetic hash, similar to Soundex but more specific.
A Pascal unit providing functions to format Brazilian Real (R$) currency.
Windows 7 Lab03_n Build Buffer Lab Comprised of the Longhorn layout 4074 LDK, SDK , 7 SDK and WDK and Windows API Code Pack
Longhorn Unfinished Buffer Lab. to the N Layout in the 4074 LDK
Windows Vista Lab03_n Build Buffer Lab Consists of Windows Vista SDK, DDK, 3.5 .NET Reference Source, Windows API Code Pack, Longhorn Build 4074 LDK and SDK Samples Layout
Combined Vista SDK and DDK Subscription only using Windiff or SDKDiff. Looking for the Enterprise Source Licening Program with my Desktop Opimization Packs with Software Software Assurance from my Subscriptions
Free Pascal 3, Delphi 7 and Lazarus, for small projects, MiniXML (load and save xml files and parsing with RTTI) and MiniSockets (TCP/IP objects), DB (SQLite), ComPort, POS and Lazarus native components. For t7 reason, moved to https://github.com/parmaja/minilib
Logger for Object Pascal
Private backup mirrors of upstream open-source projects (consolidated 2026-08-17)
Monet Modelling framework
Mozilla Plugin Panel (MPP) allows you to embed any Mozilla web browser plugin into a GUI application, without using Mozilla at all.
MSEide+MSEgui documentation project. MSE is graphical RAD IDE and set of components (widgets) for Free Pascal. MSE is working, but not documented.
Compiling
Logging engine for Lazarus.
Other In the Online Package Manager
MultiLog is a log system that aims at flexibility and low overhead at the same time. As the name suggests, it can be used to log to several targets such as a text file, a visual control or to another application. Adding new targets is as easy as creating a class that implements two methods, one being optional.
See wiki
Genealogy libraries for importing/exporting gedcom and other major formats for Delphi/Kylix projects. Also a GUI using these libraries will be made.
C#仓库
Nanite - a friendly swarm of format-identifying robots.
