Nautilus is a different kind of science magazine. We deliver big-picture science by reporting on a single monthly topic from multiple perspectives. Read a new chapter in the story every Thursday.
Cost / License
- Free
- Proprietary
Platforms
- Online
Nautilus is a different kind of science magazine. We deliver big-picture science by reporting on a single monthly topic from multiple perspectives. Read a new chapter in the story every Thursday.
For engineers who want to expand the possibilities of power electronics. PSIM is the fastest and most reliable simulation tool. Built by engineers, for engineers.


Ghotit Real Writer & Reader 3 is an integrated writing and reading solution tailor-made for people with dyslexia, dysgraphia and other learning disabilities. It helps children and adults with dyslexia and dysgraphia to write, read and correct texts.



Speak and understand any language real-time. Instant subtitles and voice-to-voice translation in more than 30+ languages.

With AYBO you can perform any kind of calculations, unit conversions, currency conversions, check the weather, set timers, plot graphs, solve simple equations.





bc is an arbitrary precision numeric processing language. Syntax is similar to C, but differs in many substantial areas. It supports interactive execution of statements. bc is a utility included in the POSIX P1003.2/D11 draft standard.
Language Exchange Community - Find a suitable language exchange partner and practice effectively using How-to's and lesson plans developed by an expert in language exchange learning. Exchange via word games, email, text, voice or video chat.

“a system for typesetting documents based on TEX and METAPOST. You can use this system for converting documents coded in TEX format as well as documents coded in XML into high quality PDF” (http://www.pragma-ade.nl/)
Examice helps IT professionals and students prepare for certifications with updated practice questions that mirror real exams. Covering 600+ certifications, the platform makes studying flexible and reliable.
Daniel’s XL Toolbox is a free, open-source add-in for the Microsoft Excel spreadsheet software that helps you to analyze and present data and increases your productivity. Its target audience are life scientists, but it has proven useful for industry as well.




BioVinci is a powerful yet simple tool for data analysis and visualization. BioVinci allows wet-lab biologists and biomedical researchers to process data on a familiar screen. No computational background is necessary. Just drag and drop. It’s that simple.




MyLang Reader helps you become a "Master" at any language, by transforming your favourite content into an immersive learning experience.




zuknow is a social memorization app. It is a flashcard based app and keeps you motivated by letting you compete with fellow learners .



Wikiroutes - public transportation database edited by the community. You can find information about certain routes, optimal routes between A and B in more than 1650 cities worldwide. Also have mobile clients.




Bridging the gap between translation and development. With locize we remove the pain in the translation process. Translator could keep up with changes from day one. The continuous localization process keeps up with your demanding business.




Learn Chinese faster with Loqu8 iCE (iNterpret Chinese-English). Read and understand popular Chinese websites, email and documents using iCEs popup window. Supports simplified and traditional Chinese, Pinyin and Bopomofo.


Wonderus is a lightweight knowledge management system and acronym decoder for teams – available online and on Slack.




Byki is a powerful and personalized language-learning system. It locks foreign language words and phrases into your memory so that you can recall them perfectly and remember them forever.
Bring musical inspirations to life with the blazingly fast and intuitive Notion™ 6 music composition and performance environment. Compose when and how you want and even enter music with your own handwriting.




Learn English, German, French and more languages with Lingisto while watching movies and cool videos.
Offers advanced grammar and style checks for academic and technical writing, supports English and Spanish, corrects in MS Word and LaTeX while preserving formatting.




Public domain versions of language courses from the Foreign Service Institute. The courses on this website were developed by the U.S. government. The U.S. government is not, however, affiliated with this site. This site has downloadable MP3 files with text.

If you are looking for a chemical sketcher or an alternative to your current chemical drawing application, there is no better choice than ChemDoodle. ChemDoodle works on all operating systems (both 32 and 64 bit), has one of the largest feature sets in the industry, has the most...




Elements: The Periodic Table provides useful information about the chemical elements all in one place. Click on an element to know about the properties, history, name origin, images, applications, hazards and electron shell diagram of each element.



