- Toool - Netherlands - The Dutch chapters of the Open Organisation of Lockpickers. Includes details of the LockCon conference and scheduled gatherings.
- Lock Picking 101 - Forum providing information on locks and picking techniques. Includes sections on hardware and locksport.
- Locksport International (LI) - Organization promoting the sport of competitive lockpicking. Includes news, competitions and ethics.
- Guide to Lock Picking - Formerly known as the "MIT Guide to Lock Picking". Describes how pin tumbler locks work and basic picking techniques. HTML, PDF and Postscript versions.
- Alt.Locksmithing FAQ - Frequently asked questions from the newsgroup. Provides answers about lock types, techniques and terms.
- First Internet Lock Museum - Resource for those interested in the collection of locks. Includes illustrations with values.
- NDE (Non-Destructive Entry) - Locksport e-magazine. Includes news and back issues.
- The Open Organization of Lockpickers (TOOOL) - Organizes educational meetings about locks and picking. Includes membership information, chapters and equipment.
- Notes on Picking Pin Tumbler Locks - Educational article by Matt Blaze. Includes illustrations and exercises.
- Alex's Lock Collection - Includes pictures and descriptions of the collection, sorted by manufacturer.
- Fraternal Order of Locksport (FOOLS) - Lock picking club. Includes meeting schedule, code of conduct and contact form. Bloomington, Indiana.
- How Stuff Works: Lock Picking - Illustrated article on picking. Includes lock types, re-keying and videos.
- Longhorn Lockpicking Club - Student organization at the University of Texas, Austin. Includes news and meeting schedules.
- Wikipedia - Lock Picking - Online encyclopedia article about picking. Includes tools and legal status in different states and countries.
- Lockwiki - Designed as a reference for both the security and compromise of locks and safes. Beginners and advanced sections.