Zeal is a cryptocurrency for marginalized though ambitious communities.
How to build on ubuntu: install the dependencies here: https://pastebin.com/dT5V4fmc (if you are on Linux Mint, install these dependencies instead: https://pastebin.com/v70DknXP), cd into the src directory, and do make -f makefile.unix
You'll need at least 2GB of RAM to compile. If you don't have this, make a swapfile