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

solver-fpc

SOLVER toolset (W.S.C. Gurney) ported to Free Pascal - ODE/DDE solver with CSV/TSV export and plotting

Charts and Graphs

solver_ansvr

cmdline (used by Image16) and ui interfaces to ANSVR astrophotography plate solving images (FITS, TIFF, PNG, JPG, PXM, RAW and XCF) are submitted to ANSVR astrometry engine producing a text file with the plate solving result and a .png plot file TIFF, PXM, RAW and XCF files are converted to FITS by the cmdline utility all files are loaded and converted to FITS by the ui utility

Quiet
Application
SourceForge
GNU General Public License version 2.0 (GPLv2)
12-23-2021

sudoku-solver

depth first search sudoku solver

Games and Game Engines

Complex-Equations-Solver

Pascal in Delphi on Windows - solver for equations with complex coefficients

Delphi-Sudoku-Solver

A Sudoku Solver written in Delphi

Games and Game Engines

Nonogram Solver

Simple command-line solver of the nonogram logic puzzles. Simulates human techniques of soluting. Development inactive, but moved to: http://github.com/martinkozak/nonogram-solver.

Quiet
Application
SourceForge
MIT License
6-15-2008

Games and Game Engines

astap program

ASTAP, Astrometric STAcking Program, astrometric solver and FITS image viewer. This program can view, measure, "astrometric (plate) solve" and stack deep sky images. Main features: - Stacking of astronomical images including dark frame and flat field correction - Native fast astrometric (plate) solver. - Alignment using an internal star match routine, internal Plate Solver, manual or ephemeris. - FITS viewer with swipe functionality, deep sky and star annotation, photometry and CCD inspector. - Annotation of solar and deepsky objects. - Photometry of point sources, extended sources and variable stars - Blink routine for astro images.

Chess-Puzzle-Solver-and-Generator

Solves and generates Solitaire, Solo, Melee and Binary chess puzzles

Games and Game Engines

ArtusCardGameSolver

A solver for a combination game known as "Artus Puzzle", "Affenspiel", "Hexenspiel", "Legespiel"

Games and Game Engines

Sokoban-solver

Final semestral project of first half year studying

Games and Game Engines

SudokuSolver

A fast Sudoku puzzle solver with modern UI, written in Object Pascal (Lazarus)

Games and Game Engines

sudokuNxM

Solve and generate Sudokus with variable boxsizes up to 20x20 ( 400 x 400 sudoku ).

Games and Game Engines

Z3Pas

A Pascal-friendly, Python-inspired API for the Z3 SMT solver

SurveyTools

SurveyTools is a swish army knife for engineers. A free collection of desktop utilities for surveying engineers, covering the everyday computations that sit between raw field data and final coordinates. It runs natively on Windows and Linux (64-bit) and is built with Free Pascal / Lazarus. * Station Adjustment — preprocessing of total station observations for network adjustment. * Network Adjustment — geodetic network adjustment tools for 1D,2D,3D. * Alignment Solver— horizontal and vertical road/rail alignments 2d and 3d setout and measure tools, and batch processing. Imports and exports many formats. * Survey Calculator — Free Station resection, Precise Trigonometric Leveing, Resection etc * Monitoring — leveling adjustment and special monitoring adjustments for deformation surveys. * Coordinate Transformations — affine,Helmert etc transformations 2d,3d. * Editors for GSI,RW5 files. *DiNi to Excel — digital leveling file converter * Drone tools PPK solver for DJI Matric

FEDES

FEDES is a Finite Element Data Exchange System for mapping finite element analysis data between different FE solvers and meshes with different element types and densities. Six commercial FE solvers are supported (ABAQUS, ANSYS, DEFORM, MARC, MORFEO, VULCAN). The FEA data outputted can be visualized with the open source program ParaView.

ALGLIB

. Delphi FPC Cross-platform numerical analysis and data processing library. It supports several operating systems Windows and POSIX, including Linux. ALGLIB features include: Data analysis classification/regression, statistics; Optimization and nonlinear solvers; Interpolation and linear/nonlinear least-squares fitting; Linear algebra direct algorithms, EVD/SVD, direct and iterative linear solvers; Fast Fourier Transform and many other algorithms.

Library
Lazarus and Delphi

RubikNxNxNSolver

A general solver for NxNxN Rubik's Cubes

Games and Game Engines

MazeSolver

A procedural maze generator and solver in Pascal

Learning and Examples

Equation Solver

Program written in Delphi which uses two components available in the source code. The program is now fully functional; however, it was originally written to test the two components.

Application
Delphi
SourceForge
Affero GNU Public License
2-2-2021

ASTAP

Stacking program, astrometric (plate) solver, fits file viewer

LightsOut

O(n^2) Lights-out solver with Pascal

Learning and Examples

Sudoku

Sudoku Solver as Firemonkey Education Application

Games and Game Engines

Z34Delphi

The Z3 Theorem Prover bindings for Delphi

Delphi.FABRIK

Delphi implementation of FABRIK IK Solver

TEquation

Equation solver and root finding library for Delphi

3D-Rubik-s-Cube

This project is a comprehensive Rubik's Cube simulator and solver implemented in Delphi. It provides an immersive experience of interacting with a virtual Rubik's Cube, including rotating individual layers, drawing each cubie individually, and employing various algorithms for solving the cube.

Games and Game Engines

CVODE_Delphi

This includes bindings and a wrapper for the sundials CVODE ODE solver.

everybody-codes-tp50

Some solvers for puzzles from Everybody Codes in Turbo Pascal 5.0

Active
Library
GitHub
★ 1
9-9-2026

I18n-tp50

Solvers for Martijn van Iersel's Internationalization puzzles in an ancient version of Turbo Pascal.

Active
Other
GitHub
★ 1
3-22-2025

Learning and Examples

KinSol_Delphi

This project has Delphi bindings and a wrapper for the sundial KinSol solver

lazdoku

A sudoku grid solver, built in Pascal Object using Lazarus IDE

Games and Game Engines

MathEcuationsD

Math Ecuations solver in Delphi. (Only quadratic formula with integers really)

olahkata

Online Scrabble or TextTwist solver for Indonesian/English.

Quiet
Application
GitHub
★ 1
6-6-2015

Games and Game Engines

tower_of_hanoi

Tower of Hanoi Solver in Pascal

Quiet
Other
GitHub
★ 1
3-10-2024

Learning and Examples

Sokoban YASC

Sokoban YASC - Yet Another Sokoban Clone - for Windows. A wealth of features, e.g., deadlock detection, reverse mode, and replay mode. Good import functions and highly configurable, e.g., skins. Tools: Editor, solver, optimizer, generator, capture, duplicate finder.

Active
Application
Delphi
SourceForge
GNU General Public License version 2.0 (GPLv2)
8-24-2026

Games and Game Engines

Vtkpost

Vtkpost is a conversion program, for Windows, which converts solution files of the freely available finite element solver CalculiX CCX into vtk version 2.0 format for viewing in the scientific visualization environment ParaView.

Quiet
Application
SourceForge
GNU General Public License version 2.0 (GPLv2)
12-14-2008

YASS

Yet Another Sokoban Solver and Optimizer - for Android

Games and Game Engines

astap

ASTAP astrometric solver, FITS file viewer and stack program for astronomical images

Oz-Solid

Geometric library for 2D and 3D constraint-based parametric solid modeling for CAD application development.

SODOKU-0

Jeu japonais Sodoku écrit en Turbo Pascal ou Free Pascal

Games and Game Engines

MazeMaker

Delphi maze maker

Games and Game Engines

sokoban

Sokoban Anniversary (features YASS IDA* Sokoban solver in WASM)

Games and Game Engines

Maze-generator

Генератор лабиринта и его визуализация (поддержка файлов)

Games and Game Engines

pascalproject

Math equation solver in Pascal. In development right now.

Quiet
Application
GitHub
★ 2
1-7-2014

cdsid-pl-input

Módulo de entrada de problemas de programação linear, com solver lp_solve — Delphi/Object Pascal, CDSID/UFPE.

SUTOM_Helper

A simple program to help you solve word-finding challenges such as SUTOM, WORDLE, crosswords and others in any language.

Games and Game Engines

wordle_assist

A utility for desktop to solve Wordle puzzles faster, built with Lazarus and Free Pascal

Games and Game Engines

ChemicalEquationsSolver

Solving basic chemical equations, project for MFF CUNI CZ studies, in pascal

Quiet
Application
GitHub
★ 1
10-8-2015

ChessSolver

I will try to create a program for solving some Chess training tasks

Active
Library
GitHub
★ 1
10-27-2025

Games and Game Engines

WaterBallSortPuzzleOptimalSolver

The program optimally solves a general class of puzzles which as a special case also contains well known puzzles like "Water Sort Puzzle", "Ball Sort Puzzle", "Sort Hoop", "Sort It 3D" etc.

Games and Game Engines

EquationSolver

pascal-practice-MathSolver

Практическая работа - Программирование, Лицей №1511 при НИЯУ МИФИ

tftasolver-svn

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!

Learning and Examples

pasta80

Turbo Pascal 3.0-compatible compiler that generates machine code for classic and modern Z80 machines (currently CP/M, Sinclair ZX Spectrum 48K/128K/Next, and Agon Light/Console8).

Active
Application
GitHub
★ 207
11-5-2026

LGenerics

Generic algorithms and data structures for Lazarus/Free Pascal

xdpw

XD Pascal: A small embeddable self-hosting Pascal compiler for Windows. Supports Go-style methods and interfaces

mcx

Monte Carlo eXtreme (MCX) - Physically accurate and validated GPU ray-tracer

DelphiKB

Delphi reference info

Learning and Examples

kraft

Kraft Physics Engine is an open source Object Pascal physics engine library that can be used in 3D games.

Games and Game Engines