Wormhole Fundamentals 2.0: Video series by Adhocracy Incorporated that details basic wormhole mechanics. Updated for 2015.
Rykki's Guides: Wormhole PvE: Spreadsheet outlining all Singature and Anomaly types found within W-Space.
Gas Isk/m3: Gas prices according to current market trends.
EVE Who: Essential intelligence resource with character and corp info. Links to sites like zKillboard and EVE Skunk
Siggy: Wormhole-space signature mapping tool. Absolute must for any coordinated group in w-space. Direct links to intel channes (zKillboard, EVE Who, etc.
