1. SpeQ is a small, extensive mathematics program with a simple, intuitive interface.

  2. Numi Organic Tea is a premium, Fair Trade sustainable company specializing in unique and innovative blends of green, black, white, oolong teas, Pu-erh, rooibos, herbal and Flowering Tea™.

  3. PTC Mathcad PTC Mathcad is Engineering Math Software That Allows You to Perform, Analyze, and Share Your Most Vital Calculations.

  4. Calcbot is a simple and beautifully designed calculator for your iPhone, iPod touch and iPad.

  5. Equation editor

  6. Maxima is a fairly complete computer algebra system written in Lisp with an emphasis on symbolic computation.

  7. Tex2Img is a free online Latex equation editor that converts Latex equations to high resolution images to embed in documents and presentations.

  8. The Professional version of Equation Editor- MathType is a powerful interactive tool for Windows and Macintosh that lets you create mathematical notation for word processing, web pages, desktop publishing, presentations, and for TeX, LaTeX, and Math…

  9. Create gorgeous spreadsheets with Numbers for Mac.

  10. wxMaxima is a document based interface for the computer algebra system Maxima.

  11. SymPy is a Python library for symbolic computation.

  12. Enterprise Architect - UML Design Tools and UML CASE tools for software development | Sparx Systems