lisaprogramme

lisaprogramme is a family of list-oriented programming tools and a scripting language designed for educational use and data processing tasks. It combines Lisp-inspired syntax with explicit list processing primitives to provide readable notation for transforming sequences and hierarchical data.

The project conceptually emerged in the open-source community during the early 2020s as a lightweight alternative to more verbose functional languages. The design prioritizes simplicity, interactive exploration through a Read-Eval-Print Loop, and predictable performance for workloads dominated by lists and tree-structured data.

Core features include a compact Lisp-like grammar, first-class lists, macros, and a REPL. The standard library focuses on list operations (map, filter, reduce), streaming I/O, and basic concurrency primitives. Some extensions offer pattern matching and hygienic macros to enable declarative data transformations. Implementations aim for portability across platforms and easy embedding in host applications or other languages.

Reference implementations exist for standalone use and for host environments such as JavaScript and Python, enabling lisaprogramme to run in browsers or as an embedded scripting language. Typical workflows involve loading nested list data, composing transformations, and exporting results as JSON or tabular formats.

Reception has been mixed in practice, with positive notes on approachable syntax and the emphasis on list-based data manipulation, but critiques regarding a relatively small ecosystem and niche positioning compared to mainstream Lisp-family languages.

See also: Lisp, Scheme, Clojure, List processing languages, Macro systems.