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Science
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CADopia is the perfect CAD tool for students, architects, educators, designers, drafters, and engineers - virtually anyone who creates or uses CAD drawings.
Shareware,
Updated 4 December 2024
Downloads
986
986
Last week
2
2
VariCAD is a 3D/2D CAD solution for mechanical engineering. In addition to standard tools for 3D modeling and 2D drafting, the CAD system provides tools for sheet metal unbending and crash tests, libraries of standard mechanical parts ...
Freeware,
Updated 24 April 2025
Downloads
3,182
3,182
Last week
2
2
ADOS is full-featured program that can help you design, analyze and optimize superior optical systems. ADOS provide an integrated software environment that enables you complete almost any task in contemporary optical design.
Shareware,
Updated 20 June 2026
Downloads
532
532
Last week
1
1
BATE calculates pH of solutions containing mixtures of acid and base with up to 4 dissociation steps and titration curves for these acids and bases. Ionic strentgh calculations included. Built-in database of common weak acids and bases.
Shareware,
Updated 25 September 2018
Downloads
600
600
Last week
1
1
An interactive and intelligent psychrometric chart program for HVAC engineers. It provides the most accurate and reliable data based on Hyland and Wexler's reports published by ASHRAE, which treat air and vapor as real gases, rather than ideal gases.
Shareware,
Updated 6 January 2020
Downloads
1,895
1,895
Last week
1
1
An innovative earth simulation that combines an easy to navigate 3 dimensional globe with real-time weather, live earthquakes, webcams, volcanoes and current cloud formations. Great educational tool, a must have for avid weather watchers!
Shareware,
Updated 24 November 2014
Downloads
751
751
Last week
1
1
Downloads
14,607
14,607
Last week
1
1
Educational orbit and gravitation simulator for high school, college and beginning university physics and astronomy. Easily create, run, print and save a simulation. Includes 30 premade simulations with activities page in html-format.
Demo,
Updated 9 October 2011
Downloads
414
414
Last week
1
1
SurGe is a computer program which enables to generate a surface as an interpolation (approximation) function of two independent variables. Implements an interpolation / approximation method called ABOS.
Shareware,
Updated 18 January 2023
Downloads
105
105
Last week
1
1
A full-featured, high precision solar system simulator that calculates the gravitational interactions between all astronomical bodies, so that the motions of asteroids and comets are accurately simulated. Superb interactive 3D viewing is included.
Freeware,
Updated 1 June 2026
Downloads
1,530
1,530
Last week
1
1
Chemical database software for management of databases of any size, structure drawing, SDF import/export, duplicate removal, diversity analysis, chemical web server, combinatorial chemistry, prediction of LogP/LogC, and MASS/NMR/IR spectra management
Shareware,
Updated 1 June 2024
Downloads
489
489
Last week
1
1
The perfect solution for physics students and teachers everywhere, Physics 101 SE is the premier physics calculation tool, allowing you to focus on physics and not mathematical busywork by working with over 150+ equations and other features.
Demo,
Updated 17 January 2022
Downloads
837
837
Last week
1
1
Measurement unit conversion program. You can convert between 1545 different units quickly and easily. iUnit also displays the values of 91 physical constants.
Shareware,
Updated 24 March 2026
Downloads
348
348
Last week
1
1
Periodic table of the elements software. In addition to the usual information found in such programs, it also contains a wealth of nuclear information on each isotope, including half life, decay mode, and daughter products.
Shareware,
Updated 24 March 2026
Downloads
465
465
Last week
1
1
PLCTrainer uses RSLogix ladder logic look and feel. Now includes analog instruction. Receive a second CD free LogixPro, an RSLogix logic simulator
Demo,
Updated 15 February 2024
Downloads
6,070
6,070
Last week
1
1
DNA Baser Sequence Assembler is easy to use software for simple and batch DNA sequence assembly, DNA sequence analysis, contig editing, metadata integration and mutation detection. It also offers a powerful chromatogram viewer/editor.
Shareware,
Updated 23 July 2021
Downloads
2,323
2,323
Last week
1
1
Classifion is chemometrics software for classification of substances using their mass-spectra. The used discriminant analysis is based on Principal Component Analysis with Mahalanobis Distance (PCA-MD) - part of multivariate analysis.
Freeware,
Updated 16 January 2026
Downloads
453
453
Last week
1
1
The goal of the game is to clean the ice from the window before the window freezes back. The program requires video capture device (e.g. web camera).
Freeware,
Updated 14 November 2025
Downloads
309
309
Last week
1
1
The program simulates vision of the snake eye and demonstrates why the snake is unable to see you when you have stopped moving. The program requires video capture device (e.g. web camera).
Freeware,
Updated 14 November 2025
Downloads
418
418
Last week
1
1
This program visualizes pathways. The user can display any kind of quantitative data from gene and protein experiments directly within the pathways (colours represent the value). Automatic pathway update from KEGG, BioCarta and GenMAPP.
Freeware,
Updated 25 June 2026
Downloads
2,238
2,238
Last week
1
1
Feature rich and user friendly application for analysing array-experiments (e.g. from provider Affymetrix). It includes additional gene information, multiple analysis methods, automatic pathway mapping with an editor, function prediction...
Demo,
Updated 24 June 2026
Downloads
2,303
2,303
Last week
1
1
Create your own custom sheets of graph paper. You have complete control over the graph characteristics.
Shareware,
Updated 13 November 2018
Downloads
763
763
Last week
1
1
You can see invisible electric field - if you use "Electric Field". It is an excellent tool forvisualizing electric field and equipotential lines. Visibility of field line and potential surface depends on their magnitude.
Freeware,
Updated 26 September 2021
Downloads
7,571
7,571
Last week
1
1
You can see ideal gas molecules in 3D if you use "Ideal Gas in 3D". It can help you to understand molecules motion, Boyle's law, Charles law and Maxwell distribution.
Freeware,
Updated 3 April 2025
Downloads
929
929
Last week
1
1
Create your own custom knitting grids and diagrams. Complete control over the diagram characteristics: Number stitches and rows per inch. Total number of stitches and rows. Selection of paper size. Optionally print out row and stitch numbers.
Shareware,
Updated 21 July 2014
Downloads
315
315
Last week
1
1
Helper is a software program intended to assist physicists, engineers, and other experts in performing computations.
Freeware,
Updated 4 April 2022
Downloads
473
473
Last week
1
1
Path finding algorithms are used for robotic navigation, route optimization and other applications. The program demonstrates path finding in the maze. It uses Depth-First Search algorithm and has two optional heuristic optimizations.
Freeware,
Updated 14 November 2025
Downloads
676
676
Last week
1
1
In http://en.wikipedia. org/wiki/Prefrontal_cortex you can read a sentence that abolishes all known earlier (Eysenck, Wechsler, Raven, Amthauer ...) personal IQ tests. So as IQ constantly changes, only IQ tests with random generated tasks are true.
Freeware,
Updated 2 January 2015
Downloads
543
543
Last week
1
1
Freelabs Temperature Convertor it's a tool that helps you to convert temperature between diffrent scales. Freelabs Temperature Convertor's features include: Convert from/to Celsius Convert from/to Fahrenheit Conver from/to Rankine Conver from/to Ré
Freeware,
Updated 25 February 2022
Downloads
479
479
Last week
1
1
This application uses a highly flexible, general, finite element method for static and dynamic analysis of multi span beams, 2D Trusses and 2D Frames. It features a powerful, interactive and easy interface.
Demo,
Updated 30 April 2019
Downloads
542
542
Last week
1
1
