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Catalog

30,058 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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lclpatch

Code to extend the Lazarus Component Library with some useful functions

  • Quiet
  • Package
  • Lazarus
  • GitHub
  • ★ 2

Other

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

fhirserver

Reference Implementation Server for the FHIR Specification

  • Active
  • Application
  • Lazarus
  • GitHub
  • ★ 203

Networking

KControls

Components for Delphi+Lazarus. Grid, Memo, HexEditor, PrintPreview, PrintSetupDialog, NumberEdit, FileNameEdit, LinkLabel, GradientLabel, ProgressBar etc.

  • Active
  • Package
  • Lazarus and Delphi
  • GitHub
  • ★ 73
  • BSD-3-Clause-Clear

Grids In the Online Package Manager

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

horse-WS

Middleware for WS in HORSE

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

Networking

cpm86-crossdev

CP/M-86 (and MS-DOS 1.1/2.0) cross development environment

  • Active
  • Application
  • GitHub
  • ★ 32
  • MIT

Language Tools

XSID

Tools for the playback of XSID files and conversion of SID files.

  • Quiet
  • Application
  • Lazarus
  • GitHub
  • ★ 30

Multimedia

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

freesparta

FreeSparta - is a distribution/patch of the mature Lazarus/Typhon environment

  • Quiet
  • Application
  • Lazarus
  • GitHub
  • ★ 17

Lazarus IDE plugins

tpx

TpX: drawing tool for TeX

  • Active
  • Application
  • Lazarus
  • GitHub
  • ★ 15
  • GPL-2.0

Graphics

vclua

Gui library for lua

  • Active
  • Library
  • Lazarus
  • GitHub
  • ★ 11
  • MIT

Bindings

horse-provider-crosssocket

High-performance, security-hardened CrossSocket provider for the Horse web framework. Replaces the default Indy provider with IOCP/epoll async I/O, an object pool, enforced request limits, and OpenSSL 3.x native TLS.

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 9

Networking

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

horse-provider-mormot

High-performance, security-hardened Mormot provider for the Horse web framework. Replaces the default Indy provider with IOCP/epoll async I/O, an object pool, enforced request limits, and OpenSSL 3.x native TLS.

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

Networking

lazarus_old

Lazarus IDE / None-official mirror. - - - Official svn repository svn.freepascal.org/svn/lazarus - - - To report issues use the bugtracker at https://bugs.freepascal.org/main_page.php - - - Pull Requests must be pre-agreed with me on the official Lazarus mailing-list or forum. This usually will be ok for SynEdit or the Debugger.

  • Archived
  • Application
  • Lazarus
  • GitHub
  • ★ 6

Language Tools

gittan

Git Diff Tool

  • Active
  • Application
  • Lazarus
  • GitHub
  • ★ 5
  • GPL-3.0

Applications

rdp-ghost

RDP session drops when you step away? RDP Ghost holds it open with minimal Win32 input nudges — tray app, Ghost-mode, EN/RU.

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

System

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

horse-provider-nghttp2

HTTP/2-native transport provider for the Horse web framework, on libnghttp2. Drop-in replacement for the default Indy transport — one compiler define, existing routes and middleware unchanged. h2c, TLS, mTLS, gRPC, streaming and WebSocket.

  • Active
  • Library
  • Lazarus and Delphi
  • GitHub
  • ★ 2
  • MIT

Networking

AceUtitlies

A Windows application that actually search Windows for files! What an idea? Also a Windows 11 Notepad replacement and a few other miscellaneous utilites.

  • Active
  • Application
  • Lazarus
  • GitHub
  • ★ 1
  • MIT

Other

BridgeFrameWork

FrameWork Delphi voltado para modernização de sistemas legado.

  • Active
  • Package
  • Lazarus and Delphi
  • GitHub
  • ★ 1

Other

fpc264irc

A complete Pascal development environment rebuilt from FPC 2.6.4 source, targeting retro computing: BBS systems, DOS, Win9x, and cross-platform console applications. Includes Lazarus IDE with LCL widgetset.

  • Active
  • Package
  • Lazarus and Delphi
  • GitHub
  • ★ 1

Lazarus IDE plugins

InternetComponentSuite

Overbyte ICS V9.8A - CSL fork: FPC 3.2.2+ / Lazarus compatibility (additive IFDEF FPC guards; Delphi 13 / C++Builder branch untouched).

  • Active
  • Package
  • Lazarus and Delphi
  • GitHub
  • ★ 1

Bindings System

lazhandoff

  • Active
  • Package
  • Lazarus and Delphi
  • GitHub
  • ★ 1
  • MIT

Other

pascal-gba

Pascal toolchain for Game Boy Advance development: FPC cross-compilation, a Pascal-written GBA emulator with headless replay and debugging, and an AI-image-to-GBA asset pipeline

  • Active
  • Application
  • Lazarus
  • GitHub
  • ★ 1
  • MIT

Games and Game Engines Graphics

pascalonia

Custom Avalonia widgetset target for Lazarus based projects. With zero code changes required.

  • Active
  • Application
  • Lazarus
  • GitHub
  • ★ 1
  • MIT

Other

uBee512Launcher

Primarily a UBEE512 launcher. Uses CPMTOOLS to work with DSK files, and runs checks over the settings and selected options. Will one day understand the RunCPM folder layout.

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

Other

Lazarus_trunk

This is a clone of an SVN repository at https://svn.freepascal.org/svn/lazarus/trunk. It had been cloned by http://svn2github.com/ , but the service was since closed. Please read a closing note on my blog post: http://piotr.gabryjeluk.pl/blog:closing-svn2github . If you want to continue synchronizing this repo, look at https://github.com/gabrys/svn2github

  • Application
  • Lazarus
  • GitHub

Applications

pascal-api-infra-faa

Infrastructure for REST APIs on Horse, for Delphi and Lazarus/FPC (dual-compiler): paging, ordering, config, file logging, rate limiting, DTO bases, messaging.

  • Package
  • Lazarus and Delphi
  • GitHub

Networking