Cost / License
- Free
- Proprietary
Platforms
- Android
- iPhone








StudyLock helps you stay on track by blocking distracting apps — and only unlocking them once you’ve studied and passed a quiz.




A virtual simulation environment for electronic circuits with support of digital and analog devices. It also provides virtual instruments and virtual debugging tools.

Zeno is an AI-powered course creation platform that enables companies to turn static training documents — such as PDFs, outlines, and presentations — into fully-structured video courses in just minutes.




Cisco Packet Tracer mobile is a freely available network emulation stack centered around Cisco routers, firewalls, and switches. The mobile version is freely available without restrictions, while the desktop version is restricted to current students.




Trickle.app is a hub for self-directed learning. Discover, save and share knowledge with your friends and a community of lifelong learners.




Sketch, simulate, and share your circuits, entirely in your browser -- no install required. Easy schematic capture and powerful SPICE-like, mixed-mode circuit simulation helps EE students, electronics hobbyists, and electrical engineers design faster.




A tiny, always-on-top overlay flashcard app for effortless vocabulary learning while you work or browse.






ConceptMesh turns any topic into a visual map of connected ideas. Just enter a concept, and explore its key themes, subtopics, and summaries in an interactive graph. Save your maps by creating a free account. No ads, no clutter — just fast, intuitive learning.

Topic Breakdown helps users visually organize and break down complex topics into simpler subtopics to enhance learning and track progress.







Flip is your personal study companion designed to help you learn efficiently and stay on track — whether you're preparing for exams, brushing up on vocabulary, or exploring a new subject.




NumWorks designed an intuitive and evolutive graphing calculator to make learning maths easier.




With Yocable, you can learn vocabulary quickly thanks to an optimized algorithm and engaging quests. Yocable offers hundreds of language-learning pairs.




Server Fault is a Q&A site for system administrators and IT professionals that's free. Free to ask questions, free to answer questions, free to read, free to index, built with plain old HTML, no fake rot13 text on the home page, no scammy google-cloaking tactics, no...

This project began after I looked for a free dictionary of word origins online and found none. You could subscribe to the Oxford English Dictionary for $550 a year. [As of January 2004, OED Online is now available by annual subscription to individuals for $295 a year, and has...

eSim (previously known as Oscad / FreeEDA) is an open source EDA tool for circuit design, simulation, analysis and PCB design.




Ghost University is an AI-powered educational platform that offers innovative learning experiences guided by history's greatest minds, providing a unique blend of academic rigor and creative inspiration.


TypeSpider is a web-based typing practice tool that helps users improve their typing speed and accuracy. It features a clean and distraction-free interface that works smoothly on both desktop and mobile devices.



AI Answer Generator is an online tool powered by advanced AI models. Just type your question, and get instant, relevant answers on any topic — no registration or technical skills required.



Homeworkify is an AI-powered website dedicated to simplifying homework and improving academic outcomes. It offers instant assistance, personalized study support, and collaborative features designed to help students master their coursework easily.


This project is a web interface that attempts to tame the overwhelming flood of papers on Arxiv. It allows researchers to keep track of recent papers, search for papers, sort papers by similarity to any paper, see recent popular papers, to add papers to a personal library, and...
