Software de uso livre ou gratuito

Espectros ^

• ADMCA
  Amptek
  https://www.amptek.com/internal-products/mca8000a-multichannel-analyzer-software-downloads
  Spectral analysis features include energy calibration, setting regions of interest (ROI), computing ROI information (centroid, total area, net area, FWHM), spectrum smoothing, summing of spectra, subtraction and scaling of background spectra.

• IRPal
  Wolf van Heeswijk
  https://irpal.software.informer.com/2.0/
  IRPal is a program that may come in quite handy in interpreting IR-spectra of organic compounds. It includes a small database that is suitable for global assignments of functional groups and structure-elements but the database can be modified, extended and tailored to specific needs.

• Spectragryph
  Friedrich Menges
  https://www.effemm2.de/spectragryph/index.html
  For UV-VIS, NIR, FTIR, Raman, fluorescence, LIBS, XRF data. Free for private & academic use.

Imagens ^

• Irfanview
  Irfan Skiljan
  https://www.irfanview.com
  IrfanView is a fast, compact and innovative freeware (for non-commercial use) graphic viewer for Windows.

• JPEGView
  https://sourceforge.net/projects/jpegview/
  JPEGView is a lean, fast and highly configurable viewer/editor for JPEG, BMP, PNG, WEBP, TGA, GIF and TIFF images with a minimal GUI. Basic on-the-fly image processing is provided – allowing adjusting typical parameters as sharpness, color balance, rotation, perspective, contrast and local under-/overexposure.

• NIPS2
  The National Gallery
  https://www.softpedia.com/get/Multimedia/Graphic/Graphic-Editors/nip2.shtml
  An image processing package that aims to be about halfway between Excel and Photoshop.

• XnView MP
  Pierre-Emmanuel Gougelet
  https://www.xnview.com/en/xnviewmp/
  XnView MP is a versatile and powerful photo viewer, image management, image resizer. XnView is one of the most stable, easy-to-use, and comprehensive photo editors. All common picture and graphics formats are supported (JPEG, TIFF, PNG, GIF, WEBP, PSD, JPEG2000, OpenEXR, camera RAW, HEIC, PDF, DNG, CR2).

Outros programas ^

• Calculator for Chemists
  Eni Generalic
  https://www.periodni.com/software.html

• Color Slide Rule
  Axiphos
  http://www.axiphos.com/Software/software.html
  This freeware package performs conversion of color data between different expressions for a given illuminant and observer, including also whiteness data. Conversions are possible between (Rx,Ry,Rz), (X,Y,Z), (Y,x,y), CIE-L*a*b*, Hunter-Lab, RGB, sRGB, Whiteness CIE and dominant wavelength and vice versa. Whiteness equations include whiteness indices after CIE, Ganz-Griesser (nominal parameters), Uchida, Berger, Stensby, Hunter, ASTM, Croes, Taube, Stephanson and Harrison; also yellowness index can be calculated.