Sign in Join

Live chat for Free Pascal, Lazarus, Delphi and every Pascal programmer.

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.

Random project How the catalog works

ts2pas

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

  • Active
  • Application
  • GitHub
  • ★ 18
  • MIT

Language Tools

tfpxmlbridge

TFPXMLBridge class/component handle XML document in a manner not usual, something like easy direct access (read/write/create/remove) to DOM XML nodes by way of namespace like "root.node1.node2.node3"...

  • Quiet
  • Package
  • Lazarus
  • GitHub
  • ★ 8

Language Tools

delphi-parser

Delphi source code tokenizer and parser into a syntax tree; where tokens are first-class citizens along with nodes

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 4
  • Unlicense

Language Tools

pas2js

, docs Delphi FPC An open source Pascal to JavaScript transpiler. It parses Object Pascal and emits JavaScript. The JavaScript is currently of level ECMAScript 5 and should run in any browser or in Node.js target "nodejs". Basically, Delphi 7 syntax is supported. Used in tools like TMS WebCore and Elevate Web Builder.

  • Application
  • Lazarus
  • GitLab

Language Tools

wattsi

Preprocessor for the HTML Standard

  • Active
  • Application
  • GitHub
  • ★ 72

Language Tools

wincachegrind

[NO LONGER MAINTAINED] WinCacheGrind is a viewer for cachegrind.out files generated by xdebug 2. WinCacheGrind is functionally similar to KCacheGrind, only it is much simpler and runs on Windows.

  • Quiet
  • Application
  • Delphi
  • GitHub
  • ★ 192
  • GPL-3.0

Language Tools

delphi-visual-studio-code-debugger

A debugger for delphi in visual studio code, and also a MCP server to give claude/copilot/etc authonomous delphi debugging capabilities

  • Active
  • Application
  • Delphi
  • GitHub
  • ★ 48
  • MIT

Language Tools

xavier

Xavier is a small object-oriented XML library for Lazarus and Delphi

  • Quiet
  • Package
  • Lazarus and Delphi
  • GitHub
  • ★ 48
  • MIT

Language Tools

Tracetool

Tracetool viewer, client Api for Dotnet, Java, Javasvript, C++ , Python, Delphi

  • Active
  • Application
  • Delphi
  • GitHub
  • ★ 45

Language Tools

LuaDecompiler

Lua bytecode disassembler and decompiler for Lua 5.1, 5.2, 5.3, 5.4, and 5.5 binary chunks.

  • Active
  • Application
  • Lazarus
  • GitHub
  • ★ 41
  • AGPL-3.0

Language Tools

xml-reader

XML Reader for Delphi and Lazarus

  • Quiet
  • Library
  • Lazarus and Delphi
  • GitHub
  • ★ 34
  • MIT

Language Tools

Azote

Fast and lightweight AArch64 disassembler.

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

Language Tools

SedaiBasic

SedaiBasic Interpreter with VM

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

Language Tools

PineEngine

A Pine Script interpreter written in Delphi and Free Pascal, designed to execute scripts and return results as JSON.

  • Active
  • Application
  • Lazarus and Delphi
  • GitHub
  • ★ 28

Language Tools

fpc_understand

Free Pascal static code analyser for Free Pascal and Lazarus Projects

  • Active
  • Application
  • Lazarus
  • GitHub
  • ★ 24

Language Tools

GocciaScript

A sandbox-first JavaScript engine for AI agents: host-set capabilities and limits, deterministic runs, TypeScript annotations, test262 on every pull request.

  • Active
  • Library
  • Lazarus
  • GitHub
  • ★ 20
  • MIT

Language Tools

sealang

Delphi server side web programming language. Create web application using with pascal codes. Enjoy it!

  • Quiet
  • Application
  • Delphi
  • GitHub
  • ★ 20
  • GPL-3.0

Language Tools

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

underscript

A Lua extension library that allows to run various scripting languages from within Lua scripts, cross-language require scripts and load 32-bit Lua on Lua 64-bit

  • Quiet
  • Library
  • Delphi
  • GitHub
  • ★ 19
  • MIT

Language Tools

PascalFramework

Pascal Framework is a foundational library for Free Pascal, Lazarus and Delphi applications.

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

Bindings Language Tools

ClassTree

Small application for generating class trees

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

Language Tools

bundles

Project Bundles for Delphi

  • Quiet
  • Application
  • Delphi
  • GitHub
  • ★ 10
  • BSD-2-Clause

Language Tools

Markup

Markup, a specialized authoring language for creating semantic HTML with one consistent syntax. It replaces manual HTML coding with a streamlined, Turing-complete system that supports variables, logic, and reusable components. Delivered as a compiled DLL, it includes JSON binding, semantic analysis, and customizable rendering

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 10

Language Tools

DelphiUsesGraph

A utility that will produce a graph of the files used in your Delphi project

  • Active
  • Application
  • Delphi
  • GitHub
  • ★ 9

Language Tools

dih

Delphi Install Helper is a command-line tool for automated installation, uninstallation, and building of Delphi component packages.

  • Active
  • Application
  • Delphi
  • GitHub
  • ★ 9
  • MPL-2.0

Language Tools

XSD2XMLParser

XSD Schema to XML Parser / Converter for Delphi 2010-XE10.3

  • Active
  • Application
  • Delphi
  • GitHub
  • ★ 9
  • MPL-2.0

Language Tools

LangVM

LangVM is a Turing-complete language workbench for rapidly building custom programming languages. Using `.lvm` scripts, developers define lexing, Pratt parsing, semantics, MIR, and code generation without recompiling. It can run standalone or embedded in Delphi, enabling fast iteration and native, cross-platform language development.

  • Archived
  • Library
  • Delphi
  • GitHub
  • ★ 7

Language Tools

paspargen

Pascal Parser Generator

  • Quiet
  • Application
  • Delphi
  • GitHub
  • ★ 7
  • Apache-2.0

Language Tools

Waskal

Waskal is a Pascal/Oberon-inspired language that compiles to wasm64 and packages code, assets, and runtime support into a single self-contained HTML file. It uses JavaScript to bridge WebAssembly with browser graphics, audio, and input, delivering portable, dependency-free apps and games with a simple double-click-and-run experience.

  • Archived
  • Application
  • Delphi
  • GitHub
  • ★ 7

Language Tools

BeBop

BeBop framework is a development tool to create cross-platform desktop applications using JavaScript, HTML, and CSS.

  • Quiet
  • Application
  • Lazarus
  • GitHub
  • ★ 5
  • MIT

Language Tools

delphi-aikit

Utilities for AI-assisted Delphi code analysis and builds.

  • Active
  • Application
  • Delphi
  • GitHub
  • ★ 5

Language Tools

loxip

Lox interpreter written in Free Pascal

  • Quiet
  • Application
  • Lazarus
  • GitHub
  • ★ 4
  • MIT

Language Tools

pascal-lsp-types

Language Server Protocol (LSP) implementation for Pascal/Delphi

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 4
  • MIT

Language Tools

delphi-unit-backtrace

A partir de um .dproj e do nome da unit, rastreia usos reversos até o DPR e gera grafo HTML navegável, relatório e log. Delphi 13.

  • Active
  • Application
  • Delphi
  • GitHub
  • ★ 3
  • Apache-2.0

Language Tools

lwpt

Lightweight Pascal toolkit

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

Language Tools

PascalAI

PascalAI — AI-native Pascal language compiler (Lape VM backend)

  • Active
  • Application
  • Delphi
  • GitHub
  • ★ 3
  • MIT

Language Tools

pastree-lsp

PasTree LSP Server and Delphi IDE/VS Code LSP clients

  • Active
  • Application
  • Delphi
  • GitHub
  • ★ 3
  • MIT

Language Tools

PaxLang

Pax is a Pascal/Oberon-inspired systems language that compiles to modern C++23 using Zig’s Clang toolchain, with a pass-through design that lets you mix raw C++ and Pax code freely in the same source file.

  • Active
  • Application
  • Delphi
  • GitHub
  • ★ 3

Language Tools

dts2tsv

Tools to compare dtb & dts files

  • Quiet
  • Application
  • GitHub
  • ★ 2
  • GPL-3.0

Language Tools

FPDocMover

Tool for merging/joining and splitting FPDoc documentation files

  • Quiet
  • Application
  • Lazarus
  • GitHub
  • ★ 2
  • GPL-2.0

Language Tools

LingoFuse-Tools

Code generation tools for the LingoFuse ecosystem. Convert Pascal / C declarations into cross-language ABI, HTTP/JSON, and MCP binding code. Every tool ships with GUI, CLI, and MCP entry points, plus a self-contained knowledge base for full AI takeover.

  • Active
  • Application
  • Lazarus
  • GitHub
  • ★ 2
  • MIT

Language Tools

maki

templating engine written in free pascal

  • Quiet
  • Package
  • Lazarus
  • GitHub
  • ★ 2

Language Tools

MiniPIG

Strict LL(1) Recursive Descent Parser Generator for Turbo Pascal / FreePascal

  • Active
  • Application
  • Lazarus
  • GitHub
  • ★ 2
  • GPL-3.0

Language Tools