Open Source Free Pascal Scientific/Engineering Software
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Free Pascal Scientific/Engineering Software
View 203 business solutionsBrowse free open source Free Pascal Scientific/Engineering Software and projects below. Use the toggles on the left to filter open source Free Pascal Scientific/Engineering Software by OS, license, language, programming language, and project status.
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SkyChart is a software to draw chart of the night sky for the amateur astronomer from a bunch of stars and nebulae catalogs. See main web page for full download. This software is part of a full suite for astronomical observation: https://sourceforge.net/projects/ccdciel/ https://sourceforge.net/projects/indistarter/ https://sourceforge.net/projects/eqmodgui/ Requirement: https://sourceforge.net/projects/libpasastro/ See also: https://sourceforge.net/projects/indi/
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OpenDSS
EPRI Distribution System Simulator
The OpenDSS is an electric power Distribution System Simulator (DSS) for supporting distributed resource integration and grid modernization efforts. See Discussion Forum for latest news. -
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Software for Moon observation and survey. Let you visualize the real Moon aspect at every time. Also help to study any lunar formations using feature database and pictures library.
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Free DELTA
Software tools for processing taxonomic descriptions in DELTA format
The Free DELTA Project is a free, open-source, software alternative for a generic system to the processing of taxonomic descriptions based on the DELTA (DEscription Language for TAxonomy) format. -
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CCDciel
Astronomy CCD capture software
A CCD capture software intended for the amateur astronomer. It include all the features required to perform digital imaging CCD observation of celestial objects. Using the standard drivers protocol INDI and ASCOM it can connect and control the CCD camera, the focuser, the filter wheel and the telescope mount. This software is part of a full suite for astronomical observation: https://sourceforge.net/projects/skychart/ https://sourceforge.net/projects/indistarter/ https://sourceforge.net/projects/eqmodgui/ Requirement: https://sourceforge.net/projects/libpasastro/ See also: https://sourceforge.net/projects/indi/ -
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virtualplanet
Software for planet observation and study
Allow you to visualize any planet aspect at any time. Include extended feature database and texture. Many function are oriented to the observation at the telescope and other to indoor research . -
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IQcad
A 2D CAD application for civil engineering , built with Free Pascal
IQCad is a free 2D CAD application for civil engineering and tunnelling, built with Free Pascal/Lazarus for Windows and Linux. Features: 25+ entity types (Line, Polyline, Arc, Circle, Spline, Hatch, Text, Dimensions, Table, and more) AutoCAD-style command line with object snaps and grip editing Modify tools: Move, Copy, Rotate, Scale, Mirror, Offset, Trim, Extend, Chamfer, Fillet Layers, linetypes, blocks, and configurable styles Civil Engineering: TIN surfaces with contours and spot elevations Survey points with CSV import and point groups Tunnel section lines with deviation analysis Horizontal alignments with curves and spirals LandXML import/export File Formats: DXF (R12/R2000/R2018), LandXML, PDF, PNG, SVG,DWG ( using ODA converter or Librecad dwg reader) WMS server support Point Cloud import export. Section along alignment Modern ribbon UI with dark theme, multi-document tabs, and map background layers. -
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SimSEE
Plataform for Simulation of Systems of Electrical Energy
SimSEE is a tool for optimal dispatch of hydrothermal electrical power systems. Yo can simulate de operation of petroleum fired plants, wind and solar farms, country interconnections and hydro plants with reservoires. -
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Arduino Nano Dew Controller Pro (DIY)
Dew Controller Feature Rich
A 3-channel fully automated Dew Controller (DIY project) based on Arduino Nano for telescopes. For $48 or less. (c) Copyright Robert Brown 2014-2025. All Rights Reserved. Permission is granted for personal and Academic use only. Code or portions of code may not be copied or used without appropriate credit given to author. A very popular project with over 48,000 downloads. There is a new ESP32 WiFi version at https://sourceforge.net/projects/esp32-dew-controller/ The older myDCP2 (two-channel dew controller) is found here https://sourceforge.net/projects/arduinonanodewcontrollerpro/files/myDewController%20v200%202channel/ -
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Nest-o-Patch
Software for analysis of patch-clamp recordings and other wave data
This program was designed mainly for preconditioning and analysis of electrophysiological data, including patch-clamp and 2-electrode voltage clamp recordings. The program includes tools both for basic analysis of whole-cell recordings or analysis of single channel properties. Program can display and analyse long traces incuding many sweeps, series and even groups simultaneously. Current amplitudes or time intervals are easily measured. Single channel conductance, kinetics, NPo, as well as number of channels in a patch and their open probability may be estimated with the analysis of dwelling time at each conductance level. The program directly reads files, created by Pulse and PatchMaster software (HEKA Elektronik Dr. Schulze GmbH) as well as ASCII files. However, the program may be useful in various applications when editing and measurements in a 2-dimentional (for example time-current) wave are required. -
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SPINA
Structure parameter inference approach for endocrine feedback control
SPINA is software for the rapid, reliable and accurate determination of constant structure parameters of endocrine feedback control systems. It is a class of static function tests that require nothing more than steady-state concentrations of hormones or metabolites obtained in vivo. The first version of this cybernetic approach had been developed for the evaluation of the functional status of the thyroid gland, i.e. thyroid's secretory capacity (gain of thyroid, GT or SPINA-GT) and sum activity of peripheral deiodinases (GD or SPINA-GD). A second version has been established for insulin-glucose homeostasis. It delivers the secretory capacity of pancreatic beta cells (SPINA-GBeta), an estimate for the insulin receptor amplification (SPINA-GR) and a static disposition index as a measure for the loop gain of the feedback loop (SPINA-DI). Both implementations of SPINA have been validated in more than 50 clinical studies based on large cohorts. -
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Statistical program, somewhat like shareware DataFit. You may provide a custom template (or exchange the template library with your friends or Internet including sf.net) and test your tabled data. Calculates F-ratio.
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GPU, a Global Processing Unit
A framework for distributed computing
An extensible framework for distributed computing on P2P grids. We support peaceful free and open research and build an internet supercomputer. We render movies, solve Eternity puzzles, predict climate and improve a ~30 GHz cluster of clients. -
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SimThyr
A simulation program for thyroid homeostasis.
SimThyr is a continuous simulation program for the human pituitary-thyroid feedback control system. Applications of this program cover research, including development of hypotheses, and education of students in biology and medicine, nurses and patients. -
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TRURL
A suite of RPN calculators and a class library for Object Pascal
TRURL is a suite of desktop calculators with reverse Polish notation (RPN) written in Object Pascal. Additionally, it comes with a free reusable class library (RPN Engine) as a toolbox for creating your own calculator. TRURL is an acronym for "TRURL is a Reusable Universal RPN Library". Class Libraries: • RPN Engine: Full-featured calculation engine for Pascal-based RPN calculators • Segmitator: Library for virtual seven-segment displays Applications: • TRURL A: Simple demo app for the RPN Engine • TRURL B: RPN calculator in the design of the famous calculators by Dieter Rahms for Braun • TRURL G: Desktop RPN calculator inspired by the UI of the DSKY unit of the Apollo Guidance Computer (AGC) -
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ThermoCalc
Calculating heat loss of a room
ThermoCalc is a program for calculating thermal dissipation (heat loss) of a room, based of wall materials used for building the walls -
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ZCAD
Simple CAD program
Project moved to https://github.com/zamtmn/zcad -
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LMath library
Math library for Free Pascal and Lazarus.
LMath, based on DMath, is a mathematical library for FreePascal (FPC) and Lazarus. It is entirely written in Pascal and does not depend on external libraries. LMath provides routines and demo programs for numerical analysis, including mathematical functions, probabilities, matrices, optimization, linear and nonlinear equations, integration, Fast Fourier Transform, random numbers, curve fitting, statistics and graphics. It is organized s set of lazarus packages which makes it easily extensible and helps to include only really needed features in your project. -
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LibreAquarium
An aquarium management software with a Simulation Model System
SME LibreAquarium is an Aquarium management system with a Simulation Model Engine (SME) that makes a prediction of the possible measurement values for the different pollutants that affect to these aquatics systems (NO3,PO4, Fe). The simulator consults the recorded analysis to calculate a prediction of the NO3, PO4, Fe, that the these aquatic system produce. It also uses a central (fish, plant and invertebrates) database to check if the actual parameters are Ok, depending on the species that live in the Aquarium. With all the records, the Simulation Model predicts the algae risk too (low,medium,high) and the algae type(green,cyanotic.) using the Redfield coefficient. Appart from that, the program tries to bring another modest contribution to Open Source Software and the World of Aquariums. SME LibreAquarium helps to daily maintenace of the aquarium with habitants control(fishes,plants, invertebrates), expenses, statistics, alarms, etc. -
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Lattice
Free and Open-Source Qualitative Data Analysis Software
Lattice is a free and open-source Computer-Assisted Qualitative Data Analysis Software (CAQDAS). Native, lightweight, and offline-first, it supports document imports in plain text from various formats. Features include a six-level code hierarchy, five memo types, attribute-typed documents, precision retrieval, and an analysis workspace with Code Frequency, Co-occurrence, Crosstab, Coding Coverage, and Word Cloud. -
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SimulaBeta
A simulation program for insulin-glucose homeostasis.
SimulaBeta is a simulation program for insulin-glucose feedback control. It is based on a nonlinear MiMe-NoCoDI model. -
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GroundCAD 0.2
CAD 2D for Land Surveying,Civil and more
Operating System : Windows - Linux - Mac OS Drawing CAD 2D Point Line Polygon Rectangle Circle Ellipse Texte Labeling Point Line Polygon Rectangle Circle (Name Code Comment XYZ Length Angle Area Radius ...) Area Calculation by points or by object. Import-Export module : Image bmp,jpg,png CSV TXT SVG DXF R12 SOKKIA SDR33 TOPCON FC4 GTS7 XML LANDXML LEICA GSI8 GSI16 -
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MODELbuilder is an application that provides a graphical way to derive various models from empirical and simulation data.
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AlgoSim
AlgoSim : création, analyse et exécution des algorithmes
AlgoSim un Logiciel de création, analyse, simulation et exécution des algorithmes. Il ne nécessite aucun apprentissage de langage de programmation. Ce logiciel n'utilise pas un éditeur de texte comme les logiciels classiques de programmation. Ce logiciel peut être utilisé par des débutants pour apprendre la programmation et exercer leurs connaissances. Il peut être utilisé par des professionnel pour tester leurs algorithmes, les vérifier et générer des programme présentables (pseudo-code ou programme Pascal) . -
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vHDL Obfuscator GUI
vHDL Obfuscator is an small GUI to obfuscate and reformat HDL files
VHDL and Verilog HDL are standards languages for hardware description. Sometimes is necessary to share the source HDL file but maintaining a little level of control and protection of the intellectual property. This tool generate obfuscated code that is almost unreadable to humans, but is still readable to compilers and simulators. This tool use GHDL (https://sourceforge.net/projects/ghdl-updates/), HDLObf (https://sourceforge.net/projects/hdlobf/), Icarus Verilog (https://sourceforge.net/projects/iverilog/) and was created in Lazarus (http://www.lazarus-ide.org/)
