# List of Applications/Science (简体中文)

## 科学

### 数学

#### 计算器

- Speedcrunch — feature-rich scientific calculator.

  http://speedcrunch.org || speedcrunch

- ExtCalc — feature-rich scientific calculator.

  http://extcalc-linux.sourceforge.net/ || extcalc

- KAlgebra — calculator and 3D plot.

  http://kalgebra.berlios.de/ || kdeedu-kalgebra

- Qalculate — calculator and equation solver with fault-tolerant parsing. Recognises constants and units.

  http://qalculate.sourceforge.net/ || libqalculate

#### 计算机代数系统

- Maxima — Maple/Mathematica-like program or its frontend wXMaxima

  http://maxima.sourceforge.net/ || maxima

- Sage — "Maple/Mathematica"-like program in python.

  http://www.sagemath.org/ || sage-mathematics

#### 科技计算

- Octave — Matlab-like program

  http://www.gnu.org/software/octave/ || octave

- Freemat — "Matlab"-like program

  http://freemat.sourceforge.net/ || freemat

- Scilab — "Matlab"-like program

  http://www.scilab.org/ || scilab

- Euler — Mathematical programming environment like MatLab or Octave

  http://euler.sourceforge.net || Euler

- Englab — Cross-compile mathematical platform with a C like syntax.

  http://englab.bugfest.net || englab

- Pylab — Python modules for scientific calculations

  http://www.scipy.org/PyLab || python2-matplotlib

#### 统计

- PSPP — Free SPSS implementation (Graphical:PSPPire).

  http://www.gnu.org/software/pspp/ || pspp

- R — Software environment for statistical computing and graphics

  http://cran.r-project.org/ || r

- RKWard — Frontend for the statistical language R.

  http://rkward.sourceforge.net/ || rkward

#### Data Evaluation

- Fityk — Non-linear fitting of curves

  http://www.unipress.waw.pl/fityk/ || fityk

- QtiPlot — Similar & semi-compatible with Origin

  http://soft.proindependent.com/qtiplot.html || qtiplot

- SciDavis — Similar to QtiPlot.

  http://scidavis.sourceforge.net/ || scidavis

- LabPlot — Comparable to "OriginLab"

  http://labplot.sourceforge.net/ || labplot

- ROOT — Data analysis program and library (originally for particle physics)

  http://root.cern.ch/drupal/ || root

- GnuPlot — Commanine based plotting program

  http://www.gnuplot.info/ || gnuplot

- XmGrace — Plotting program with GUI

  http://plasmate.weizmann.ac.il/Grace/ || grace

- Extrema — Visualization and data analysis tool.(no longer in active development)

  http://sourceforge.net/projects/extrema || extrema

- List of applications#Spreadsheets

### 自然科学

#### 化学与生物学

##### Molecule Viewer

- Avogadro — Edit and view 3D molecule structures (also .pdb) and simulate

  http://avogadro.openmolecules.net/wiki/Main_Page || avogadro

- Ballview — Standalone molecular modeling and visualization application

  http://www.ballview.org/ || ball

- Ghemical — Edit and view 3D molecule structures (also .pdb) and simulate

  http://www.uku.fi/~thassine/projects/ghemical/ || ghemical

- Rasmol — View 3D molecule structures.

  http://www.rasmol.org/ || rasmol

- Pymol — ]View 3D molecule structures.

  http://pymol.sourceforge.net/ || pymol

##### Molecule Drawing

- BkChem — Practical and goodlooking skeletal formula molecule drawing program

  http://bkchem.zirael.org/ || bkchem

- XDrawChem — Extensive skeletal formula molecule drawing program (incl. spectroscopy prediction)

  http://xdrawchem.sourceforge.net/ || xdrawchem

- EasyChem — Simple skeletal formula molecule drawing program

  http://easychem.sourceforge.net/ || easychem

- Chemtool — Skeletal formula molecule drawing program

  http://ruby.chemie.unreiburg.de/~martin/chemtool/ || chemtool

- Gabedit — Gabedit is a graphical user interface to computational chemistry packages like Gamess-US, Gaussian, Molcas, Molpro, MPQC, OpenMopac, Orca, PCGamess and hem

  http://gabedit.sourceforge.net/ || gabedit

##### 周期表

- Kalzium — Periodic table of the elements with molecule editor and equation solver from the KDE project

  http://edu.kde.org/kalzium/ || kdeedu-kalzium

- gElemental — Periodic table of the elements and additional information

  http://freshmeat.net/projects/gelemental || gelemental

##### 分子建模

- GROMACS — GROMACS is a versatile package to perform molecular dynamics, i.e. simulate the Newtonian equations of motion for systems with hundreds to millions of particles.

  http://www.gromacs.org || gromacs

- Quantum Espresso — Quantum ESPRESSO is an integrated suite of computer codes for electronic-structure calculations and materials modeling at the nanoscale. It is based on density-functional theory, plane waves, and pseudopotentials (both norm-conserving and ultrasoft).

  http://www.quantuspresso.org/ || quantum-expresso

#### 天文学

- Stellarium — Beautiful 3D planetarium

  http://www.stellarium.org/ || stellarium

- KStars — KDE desktop planetarium

  http://edu.kde.org/kstars/ || kdeedu-kstars

- StarPlot — 3D starchart viewer

  http://starplot.org/ || starplot

- Celestia — Space simulation software

  http://www.shatters.net/celestia/ || celestia

#### 物理学

##### 电子学

- gEDA — Electronic design automation tools

  http://www.gpleda.org gpleda.org || geda-gaf

- Qucs — Electronic circuit simulation

  http://qucs.sourceforge.net/ || qucs

- Oregano — Electronic circuit simulation

  https://github.com/marc-lorber/oregano || oregano

- QElectroTech — Draw advanced electrical circuits

  http://qelectrotech.org/ || qelectrotech

- KiCad — Design schematics for printed circuit boards

  http://kicad.sourceforge.net/wiki/index.php/Main_Page || kicad

- KSimus — Logical circuits simulation

  http://ksimus.berlios.de/ || ksimus

- KLogic — Logical circuits simulation

  http://www.ostin.de/ || klogic

##### 物理仿真

- Aster — Simulation for civil and structural engineering.

  http://www.codster.org Code || aster

- Step — Physics Simulation Educative physics simulation (KDE).

  http://edu.kde.org/step/ || kdeedu-step

##### Unit Conversion

- Convertall — Convert between different physical units.

  http://convertall.bellz.org/ || convertall

- Gonvert — Convert between different physical units.

  http://www.unihedron.com/projects/gonvert/ || gonvert

- Units — CLI Unit converter and calculator.

  http://www.gnu.org/s/units/ || units

Categories:

- 简体中文
- Mathematics and science (简体中文)
- Applications (简体中文)