CyberArsenal is a forum focused on computer and network security and reverse engineering. Content requires signing up to view and participate. The site states there is no payment, credits system, or reply-to-reveal. Sections include general discussion, requests for installer or setup files, requests related to security or reversing, and red team tools and techniques.
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Dropbox is a cloud storage and file sharing platform designed for secure collaboration. It offers tools for storing, sharing, and accessing files across devices, plus additional products including video review, digital document signing, company content organization, and AI integrations. The service is used by over 700 million registered users, with solutions tailored for teams, industries including construction, technology, manufacturing, media, education, and enterprise use cases.
Matrix-based secure messaging app for encrypted team chats, rooms, and federation.
Figma is a collaborative platform that combines design, code, and AI tools for product development. It provides a shared workspace for teams to move from initial concept to shipped product, with offerings including design and prototyping tools, AI-powered media generation, digital whiteboarding, presentation co-creation, vector illustration, and website publishing capabilities.
MIT Global Shakespeares is a video and performance archive presenting productions of Shakespeare plays from around the world, including featured and recently added productions. The site also links to related Shakespeare Studies websites, an online course teaching Shakespeare through performance, an educational module on Brazilian performances, and an open-access online textbook with interactive learning modules.
greenpois0n is a jailbreak tool for Apple iOS devices released by the Chronic Dev Team. The site offers downloads for Windows and Mac OS X and states that it is not an unlock. Guides cover installing it, entering DFU mode, and installing Cydia via the Loader app.
Harvard University is an institution devoted to excellence in teaching, learning, and research, with a mission to develop leaders who make a difference globally. It maintains a global community with work across all seven continents, more than 20 international locations, 26.3 million learners enrolled in Harvard Online courses, and provides instruction in 80+ languages.
An interactive tutorial teaching the sequent calculus, a set of rules for showing the truth of statements in first-order logic. It is aimed at people with some software background and basic boolean logic knowledge.
MIT OpenCourseWare is a web-based publication of virtually all MIT course content, offered as a permanent MIT activity open to the global public. It provides free access to lecture notes, exams, and videos from MIT courses without requiring registration. Additional resources include offline mobile learning materials and the Chalk Radio podcast focused on MIT teaching.
Open source team chat platform for messaging, collaboration, and self-hosted communication.
Stanford University is a leading global research and teaching institution. Its core mission centers on discovery and learning, fostering intellectual expansiveness, openness to new lines of thinking, and pursuit of excellence across disciplines. The university conducts cross-disciplinary research to address societal challenges, including work on human-centered artificial intelligence, and supports innovation pathways for new applications while shaping related public policies.
Tutorial teaching the main ideas of unsupervised feature learning and deep learning, with implementation of feature learning and deep learning algorithms. It assumes basic machine learning knowledge, including supervised learning, logistic regression and gradient descent, and suggests completing an earlier machine learning course first.