Source code is in the
Additional development information (which hasn't been updated in years!) is in the
All development of CoCalc is done from within a cocalc project running on https://cocalc.com.
src/README.md to get started doing development.
The Components of CoCalc
smc-util: utility code used in the browser and servers
smc-util-node: utility code used in servers
smc-hub: backend web and compute server code
smc-project: server code that runs in user projects
smc-webapp: frontend client code that runs in browser
See also the packages/ subdirectory.
smc_pyutil: scripts and code used on servers
smc_sagews: Sage server