[1] Environment Constraint Language

[2] Extensible Control Language (IBM)

[3] Emitter Coupled Logic - schnelle Steuerogik z.B. für Lichterzeuger

[4] Error Correction Logic

[5] Entry Closed Loop (->"NASA Acronym List")

[6] Engineering Configuration List (->"NASA Acronym List")

[7] Engineering Case Library (http://kiri.carleton.ca/ECL/)

[8] Ecole Centrale de Lyon (F, http://www.ec-lyon.fr/).