# Functional Programming Tools Launched: Fuse Language and Katharos for Python

Two new open-source projects showcase functional programming approaches: Fuse, a statically typed functional language, and Katharos, which brings functional programming and CSP-style concurrency to Python. Both were independently announced on Hacker News, offering developers new options for functional paradigms in separate ecosystems.

**Importance:** 2/5

## Sources

### Technology
- [Hacker News](https://fuselang.org) — Sun, 02 Aug 2026 11:23:56 +0000
- [Hacker News](https://github.com/kamalfarahani/katharos) — Sun, 02 Aug 2026 10:45:11 +0000