Various configuration/data-templating languages:
- Jsonnet: https://jsonnet.org/
- UCL: https://github.com/vstakhov/libucl
- Nix: https://nixos.wiki/wiki/Nix_Expression_Language
- Coil: https://code.google.com/archive/p/coil/
- Pystachio: https://github.com/wickman/pystachio
- Cue: https://github.com/cuelang/cue
- GCL: Paper http://alexandria.tue.nl/extra1/afstversl/wsk-i/bokharouss2008.pdf
- UCG (a descendant of GCL) https://github.com/zaphar/ucg