La Linterna del Traductor
Comprehensive collection of articles about the translation profession written by professional translators (in Spanish).
http://www.lalinternadeltraductor.org/
Meta
Collection of articles about translation theory, pedagogy, interpretation, language technology published by l'Université de Montréal. Articles are published in English and French.
http://www.erudit.org/revue/meta
Panacea
Spanish publication for medical translators. It is published by MedTrad, an international forum established by language professionals to promote collaboration and discussions.
http://www.medtrad.org/panacea.html
Tradumàtica
On-line publication about translation and information technology published by the Universidad Autónoma de Barcelona (Spain). Articles published in Catalan.
Translation Journal
Articles published by professional translators on different matters. Useful index by subject (i.e.: localization, legal translation, translators' job market, German...). Articles published in English.
http://www.bokorlang.com/journal/
TranslationDirectory.com published articles
Collection of articles for freelancers about the translation industry and linguistic issues (in English).