Ctonia

Ctonia is an esoteric programming language by User:Zzo38 based on call/cc and stacks. There are variables, though.

Commands

 * alphanumeric characters are to write a variable name
 * {} to create a block
 *  for dealing with variables
 * , remove variable name
 * ^ duplicate
 * _ discard
 * $ swap
 * ! call/cc
 * . call/return value
 * #</tt> write a numbers
 * &lt;</tt> input
 * &gt;</tt> output
 * +</tt> add
 * -</tt> subtract
 * *</tt> multiply
 * @</tt> out string
 * ;</tt> clear state, but keep the codes
 * ~</tt> debug

Combinators
i {^{.}$-!$.}; k {^{.}$-!$!.}; v {v(^)$.}; Apply !$_ I haven't figure out s or others yet.

Examples
Hello world: {Hello world!}@

External resources

 * http://zzo38computer.org/esoteric/ctonia/