• EVE-Info's ship database: http://eveinfo.com/npcships/∞ (Works out of game)

Missions

• Kill Mission Survival Guides: MissionReports
• Mission type ratio: http://www.starvingpoet.net/?IGB=MissStat∞
• Salvage database: http://eve.podzone.net/wsdb/∞
• Pioneering an unreported mission: PioneeringMissions

NPC info

• elFarto's ship database: http://npc.elfarto.com∞
• Naming conventions of the different ships: ShipClasses
• Target Analysis http://eve.orekaria.com/targets.aspx∞ (Works out of game)
• How to do level 4 missions in a Raven (and other ships) by Ohmy Fugod: RavenGuide
• Bread and Butter Ship setups: ShipSetups
• Tanking guide for missions by Lucas Coldhand: TankingGuide
• Why I choose a Golem over a CNR by ChepeNolon: GolemCNR

Agent info

• LP offers database: http://joonicks.eu/eve/lpstore.php∞
• Ingame standings matrix: http://www.newedenlibrary.net/eon/faction_standings.shtml∞
• Mission and Agent Facts: MissionAgentFacts

Related info

• Quick Intro to How Invention works: InventionGuide
• Comprehensive Guide to How Invention works: http://www.eve-production.org/invention/index.php∞

Other Complete Guides

• A complete guide for Agents: http://jhez.dk/eve/dgaf/agents.html∞
• Grismars EVEwiki about everything: http://eve.grismar.net/∞