Interlinear books are bilingual translations where the original has a translation right below each word or expression. Try them out on Interlinear Books.
For multilingual verb conjugation, try CoolJugator - a tool that can currently conjugate in dozens of different languages. It also recognizes forms and provides examples for each verb.
Yay! There are now new Cosmoglottas (the magazine in Occidental/Interlingue) available on Interlingue.org. I'm not sure whether these were ever available anywhere on the internet before but if they weren't, they are now. You can read them here.