Cost / License
- Free
- Open Source (GPL-3.0)
Platforms
- Online




EasySubs is compatible with YouTube, Netflix (subscription required), Coursera, and Kinopub. More video streaming services coming soon!

Scinapse is a free search engine for academic papers. As of September 2018, it indexes more than 200 million articles from more than 40,000 journals.

VCE Exam Simulator is a test engine designed specifically for certification exam preparation. It allows you to create, edit, and take practice tests in an environment very similar to an actual exam.




Artikulate is a pronunciation trainer that helps improving and perfecting a learner's pronunciation skills for a foreign language. It provides courses with native speaker recordings for several training languages.

TypeAssist is an AI-powered text enhancer Android app, plus offline tools like inline commands, calculations, and text snippets, and more.




Online software for piano learning offering interactive lessons, real-time feedback, step-by-step guidance, video tutorials, and a wide song library.




A local-first real-time LaTeX and Typst collaboration platform with offline editing capabilities. Built with React, TypeScript, and Yjs for collaborative document editing.


3D simulation of the Solar System and night sky - real time virtual orrery and observatory








SymPy is a Python library for symbolic computation. The stated goals of the library are to become a full-featured computer algebra system and to keep a simple code base to promote extensibility and comprehensibility.

Brainscape is a web and mobile study platform that helps you learn things faster. Our mission is to break all knowledge into its fundamental building blocks and deliver it to you in the most efficient pattern for your brain.
Quick Code is a collection of free online tutorials and video courses to learn programming languages, big data, web, mobile, chatbot, database management, data science, cryptocurrency and more.




Use ChampoAI to quickly automate your localization process and get professional-quality results.




hamsterBase is a local-first,privacy first knowledge collector.
Local first: all features available offline Privacy first: No data is collected.


BookShelf is designed to manage physical books. Scan books’ Barcode, and books will add to Bookshelf. You can record book information, reading status, notes, labels and etc. With Search function, there is no need for you to rummage through your house for a book, and you may...




WikiPathways was established to facilitate the contribution and maintenance of pathway information by the biology community. WikiPathways is an open, collaborative platform dedicated to the curation of biological pathways.

Search thousands of free and paid K-12 resources (apps, books, online courses, YouTube videos, whatever!) to find the right one for you, your kids, and your budget.




galculator is a GTK 2 / GTK 3 based calculator with ordinary notation/reverse Polish notation (RPN), a formula entry mode, different number bases (DEC, HEX, OCT, BIN) and different units of angular measure (DEG, RAD, GRAD).

The best app to learn 14+ programming languages such as Python, Assembly, HTML, VB.NET, C, C++, C# (C Sharp), JavaScript, PHP, Ruby, R Programming, CSS, Java and much more!.




OpenL Translator is an open source front-end android application to the high-quality DeepL machine translation services (available for English, German, French, Spanish, Italian, Dutch and Polish).



Save All is a helpful tool that allows you to keep track of all the information you learn, so you can easily refer back to it later. With Save All, you can create quizzes on any topic you're studying, and take them as many times as you need to solidify your understanding of...




A user-friendly platform that enables you to find and connect with online tutors and book lessons in minutes. Over 2000 tutors and 700 subjects. Unbeatable prices. 100% satisfaction guaranteed.



