Plan of this paper is to investigate the uses of open source tools of English language learning and business English for tertiary level students specially engineering students of the current scenario in India. These sources are available to the general public, free of cost. There are plenty of open source tools to aid in the teaching and learning of languages. These tools are easily assessable for the learners to learn with minimum external support and the guidance. This paper illustrates the benefits of a few open source tools namely, English zone, and Vocaboly. English as a second language podcast and British Council’s Learn English. This paper also discusses how to reap the benefits of language learning with these tools. © IAEME Publication.