is there anything (open source) similar to microsoft database project but that would work for postgresql i like the following about it 1. database schema i

is there anything (open source) similar to microsoft database project but that would work for postgresql i like the following about it 1. database schema is regular code 2. make schema change declaratively 3. packaging (.daspac) and deployement script most open source tools , seem to be after the fact tools, that do diffs ms db project, handle the code from the start in a declarative, source code managed way