The phrase "source platform" refers to a place or system where information or resources are obtained or originated from. It is like a starting point or a place where things come from. Full definition
The next stage of the initiative is to create a state wide, open source platform for consumer choice funding of community based social good. (gameeducationpdx.com)
We have developed an open - source platform for delivering assessments. (smarterbalanced.org)
The government is hoping that by the use of an open source platform like blockchain, they can enable transparency in their government. (coinstaker.com)