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Catalog

30,060 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.

UnleashedPascal-BigInts

Arbitrary-precision integers, decimals and rationals for Unleashed Pascal: signed BigInt, unsigned UBigInt, BigDecimal and BigRational in one dependency-free unit, typically within 1-4x of GMP.

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

Science

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

Delphi-MCP-Server

Native Delphi Server implementation of the Model Context Protocol (MCP)

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 143
  • MIT

Networking

e3

E3: Encrypt-Everything-Everywhere framework for compiling C++ programs with encrypted operands.

  • Quiet
  • Library
  • GitHub
  • ★ 98
  • GPL-3.0

Cryptography

IntXLib4Pascal

Arbitrary Big Integer Library for Pascal

  • Active
  • Package
  • Lazarus and Delphi
  • GitHub
  • ★ 56
  • MIT

Other

Metamorf

A unified compiler-construction meta-language designed to define and build programming languages within a single .mor file. By describing tokens, grammar rules, semantic analysis, and code generation in one place, developers can produce native Win64 or Linux64 binaries via a built-in Zig/Clang pipeline.

  • Archived
  • Application
  • Delphi
  • GitHub
  • ★ 29

Language Tools

SedaiAudio

Sedai Audio Foundation - Professional audio synthesis library in Free Pascal. 5 Synthesis Engines: Classic/Subtractive, FM (DX7-style), Wavetable, Additive, SID Evo.

  • Active
  • Library
  • Lazarus
  • GitHub
  • ★ 16
  • GPL-3.0

Multimedia

DBPL

Bilinear Pairings Components Library for Delphi

  • Quiet
  • Library
  • Delphi
  • GitHub
  • ★ 12

Cryptography

Memory-DLL-Loader

Simple, Easy, Reliable Implement To Load DLLs From Memory Stream In Delphi

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 6

System

TinyPascal

TinyPascal is a lightweight, embeddable Pascal virtual machine built in Delphi. It compiles modern Pascal to bytecode for execution in a stack-based VM with UTF-8 support, strong typing, and modular architecture. Ideal for scripting, education, rapid prototyping, and language research.

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 1
  • BSD-3-Clause

Language Tools