Introduction to Wittgenstein's Philosophy:Overview of Wittgenstein's thought by David Pears, from The Blackwell Companion to Philosophy.
Austrian Ludwig Wittgenstein Society: Professional society dedicated to the legacy of this Austrian thinker. Site includes conference announcements, membership information, list of publications.
Episteme Links: Philosophers: Ludwig Wittgenstein: Comprehensive listing of online resources related to Ludwig Wittgenstein.
Internet Encyclopedia of Philosophy: Wittgenstein: Entry by Duncan J. Richter outlining Wittgenstein's thought and place in philosophy.
Kant till Kuhn - The rise and the limitations of Enlightenment: Collection of articles that features some on Wittgenstein, among them "Mini-Tractatus - Young Wittgenstein - inspiration of Logical Positivism".
Ludwig Wittgenstein (1889-1951): Comprehensive links page, maintained by Brian W. Carver.
Ludwig Wittgenstein Resources at the European Graduate School: Biography, online resources and works of Ludwig Wittgenstein.
Papers of Ludwig Wittgenstein: A catalogue of the papers of Ludwig Wittgenstein held at Trinity College Library, Cambridge. Also includes a brief biography.
Philosophy Pages: Wittgenstein: Discussion by Garth Kemerling of the life and works of Ludwig Wittgenstein, with topical links to additional information. Includes an online version of the Tractatus.
The Wittgenstein Portal: Links to many papers and reviews, by The Wittgenstein Archives at the University of Bergen.
TIME 100: Scientists & Thinkers - Ludwig Wittgenstein: This article features a biography but also own thoughts of the author Daniel Dennett to Wittgensteins Meta-Physics. Includes a small quiz.
Tractarian Dualism: Article by Robert E. Tully, presented at the 20th World Congress of Philosophy.
Web Exercise on Wittgenstein: Web exercise devised by Harry Gensler, testing a students grasp of the Tractatus and the Investigations.
Wittgenstein: Brief introduction to his work.
Wittgenstein Archives at the University of Bergen: Contains samples, transcriptions, and working papers based on the electronic publishing of Wittgenstein's works.
Wittgenstein Bibliography: List of this thinker's published works, from the University of Chicago Library.
Wittgenstein in a nutshell: Overview on Wittgenstein and quotations.
Wittgenstein Links and Resources: Links and resources on the study of the life and thought of Ludwig Wittgenstein.
Wittgenstein on Agency and Ability: Article by Walter C. Okshevsky. Applies arguments from `On Certainty' to the nature of critical reason, working from the standpoint of educational philosophy.
Wittgenstein on Management Information Systems (MIS): This site examines the relevance of Wittgenstein's philosophy to MIS practice. Contains a section on the "rule following" consideration
Wittgenstein Page: Portal devoted to overviews of websites about Wittgenstein, his philosophy, and his work.
Wittgenstein's Logic of Language: Robert Angelo introduces the metaphors, definitions and methods Wittgenstein used to create an objective distinction between sense and nonsense in the context of philosophy.