Biology, Chemistry:
- Bedtools: Genomic Arithmetic (Linux, Mac, Win)
- Bioclipse: Life Sciences (Linux, Mac, Win)
- Bioconductor (Manuals): Genomic (Linux, Mac, Win)
- Biojava: Tools for Processing Data (Linux, Mac, Win)
- Bioperl: Biology (Linux, Mac, Win)
- Biopython: Tools for Computation (Linux, Mac, Win)
- Blast: Biology Sequences (Linux, Mac, Win)
- Crustal Omega: Sequence Align (Linux, Mac, Win)
- geWorkbench: Integrated Genomic Data Analysis
- Gromacs: Chemistry (Linux, Mac, Win)
- Emboss: Biology (Linux, Mac, Win)
- IGV: Visualization Genome Browser (Linux, Mac, Win)
- Intermnine: Data Integration
- Jmol: Chem Structures (Linux, Mac, Win)
- Kitware: Chemistry (Linux, Mac, Win)
- OpenChemisty (Linux, Mac, Win)
- Taverna Workbench: Bio (Linux, Mac, Win)
- TheRealFishTracker: Fish Tracker
- Ugene: Bioinformatics Software (Linux, Mac, Win)
Math:
- Freemath: See Matlab (Linux, Mac, Win)
- Fusioncharts: Charts, Graphs (Linux, Mac, Win)
- Eigen: Algebra, Matrices (Linux, Mac, Win)
- Genius See Matlab (Linux, Mac)
- Graphviz: Graph Visualization (Linux, Mac)
- Maxima: Computer Algebra (Linux, Mac, Win)
- NumPy: Scientific Computing(Linux, Mac, Win)
- Octave: See Matlab (Linux, Mac, Win)
- Qalculate:Calculator (Linux)
- Sagemath: See Matlab (Linux, Mac, Win)
- Scilab: See Matlab (Linux, Mac, Win)
- Speedcrunch: Calculator (Linux, Mac, Win)
- Sympy: symbolic Math (Linux, Mac, Win)
- Tulip: Graphing (Linux, Win)
- 4 Alternatives to Matlab (Linux, Mac, Win)
- 6 Fractual Tools for Mathematics (Linux, Mac, Win)
- 8 Best Geometry Apps (Linux, Mac, Win)
- 42 of the Best Scientific Apps (Linux, Mac, Win)
Physics:
- CompHep: Compuations (Linux, Mac, Win)
- Elmer: Multiphysical (Linux, Mac, Win)
- Geant4: Particles (Linux, Mac, Win)
- Gerrus: Numerical (Linux, Mac, Win)
- McStas: Neutron Ray (Linux, Mac, Win)
- Openphysics (Linux, Mac, Win)
- Root: High-Energy Analysis (Linux)
- Step: Interactive (Linux, Mac, Win)
- 10 Best Physics Tools (Linux, Mac, Win)
Robotics:
- Peekabot: 3-D Visualization (Linux)
- 5 Best Robotic Apps (Linux, Mac, Win)