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30,082 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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HtmlViewer

Set of components to display HTML content: THtmlViewer, etc. Supports HTML 4.01, part of HTML 5, many CSS props.

  • Active
  • Package
  • Lazarus and Delphi
  • GitHub
  • ★ 445
  • Read License.txt

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ATFlatControls

Set of custom-drawn controls from CudaText app. ATButton, ATFlatToolbar, ATListbox, ATGauge, ATStatusbar, ATScrollbar.

  • Active
  • Package
  • Lazarus and Delphi
  • GitHub
  • ★ 111
  • MPL 2.0, LGPL

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TyControls

A skinnable / styleable Lazarus component library: every control is fully custom-drawn (BGRABitmap) and its appearance is driven uniformly by lightweight CSS-lite text themes (.tycss), rendering pixel-identical on Windows / Linux / macOS.

  • Active
  • Package
  • Lazarus
  • GitHub
  • ★ 81

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LuiPack

Set of components: UniqueInstance, SQLite, Cairo, ChronoLog, DataHub, LibreReport, LuiApp, JSONUtils, LuiPresentations, LuiDialogs, RESTSqlDb etc.

  • Active
  • Package
  • Lazarus
  • GitHub
  • ★ 60
  • GPL, Modified LGPL

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PascalContainer

Generic pascal data structure with B-Tree, B+-Tree, B*-Tree, T-Tree, HashMap, priority queue, red-black-Tree, AVL-tree, Quad-Tree, SkipList, Sortable Single Linklist, Sort Function, LockFreeQueue. contributor: gcarreno at github

  • Active
  • Package
  • Lazarus
  • GitHub
  • ★ 54
  • BSD

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EncConv

Library to convert encoding inside a string, it is modified LConvEncoding to give simpler API.

  • Active
  • Package
  • Lazarus
  • GitHub
  • ★ 11
  • MPL 2.0, LGPL

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FpStax

A XML Streaming library based on Java API

  • Quiet
  • Package
  • Lazarus
  • GitHub
  • ★ 1
  • Modified LGPL

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BitHelpers

Type helpers, additional bit manipulations for qword/longword/word/byte/boolean types.

  • Package
  • Lazarus
  • Bitbucket
  • 1) LGPL3, 2) FPC modified LGPL, 3) BSD3

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JvclLaz

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.

  • Package
  • Lazarus and Delphi
  • The JVCL is released in accordance with the MPL 1.1 license

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LazQuadTree

A general Quad-Tree for Objects (and arbitrary data)

  • Package
  • Lazarus

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LGenerics

Collection of generic algorithms and data structures entirely written in/for FPC and Lazarus.

  • Package
  • Lazarus
  • Apache License, Version 2.0

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Lists

Custom list types, similar to TStringList: TListOfString, TListOfInt, TListOfBool, TListOfDouble.

  • Package
  • Lazarus
  • LGPL

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MultiLog

Logging engine for Lazarus.

  • Package
  • Lazarus
  • Modified LGPL

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pl_0_libs

Libraries needed for ct4laz packages.

  • Package
  • Lazarus
  • Bitbucket

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Rx

Lazarus port of RX library. Includes 30+ visual components, with DB aware versions.

  • Package
  • Lazarus
  • SourceForge
  • LGPL 2, LGPL, LGLPL

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SimpleBaseLib

FreePascal/Delphi library to work with encodings: Base16, Base32, Base58, Base64, Base85 (many variants).

  • Package
  • Lazarus and Delphi
  • MIT License

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SysTools

Lazarus port for TurboPower SysUtils. Bar codes, sorting, money routines, high-precision math, math expression analyzer, astronomical functions etc.

  • Package
  • Lazarus
  • SourceForge
  • MPL 1.1, MPL-1.1

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UTF8Tools

Functions/classes to work with UTF8, UTF16, UTF32 encodings. FreePascal translation of utf8proc library.

  • Package
  • Lazarus

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XelComponents

XelConfig - automatically saves and loads configuration files

  • Package
  • Lazarus
  • MIT

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XelControls

Visual controls: TXelToggleSwitch - on/off button. TXelRatingStars - select 1 to 5 stars to rate something. TXelImageButton - themed button, set images for normal, hovered and clicked state. TXelListBox - ListBox with hidden values: XelListBox1.AddItem('Diplayed Value', 'Hidden Value'); procedure TForm1.XelListBox1Click(Sender: TObject); begin Caption := XelListBox1.ItemValues[XelListBox1.ItemIndex]; end;

  • Package
  • Lazarus
  • MIT

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XelUI

Collection of modern controls with multiple themes

  • Package
  • Lazarus
  • MIT

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