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Why Fennel?

fennel-lang.org Essays & writing Essays & articles Software engineering Candidate
Screenshot of fennel-lang.org captured 2026-07-20
Page preview · captured 2026-07-20

Resurfaced independently across 3 calendar years, with breakout response in 2 of them.

submissions
3
submitters
3
observed span
2020–2025
peak thread · 163 comments
277 pts
latest 20+ return · 2025-04-13
277 pts

Submission timeline

2007–2026

One slot for every year since HN launched. Height is that year's peak points; orange marks a 100+ point or 50+ comment breakout. Select a bar to open its strongest thread.

First comments on top threads

HN comment order

I love seeing new languages targeting the Lua runtime. I've been adding Lua scripting support to pretty much everything I make now. I recently made my SSE server programmable with Lua and it's extended the functionality far beyond what I would have had the patience and time to do myself. Highly recommend Lua with mlua-rs Rust bindings. [0] https://tinysse.com [1] https://github.com/benwilber/tinysse [2] https://github.com/mlua-rs/mlua

I always say this when it comes up but fennel is very very impressive as a language project. Lua is much beloved but my professional experience is that working with it gets gnarly much faster than most other languages. Fennel focuses on a small set of the worst lua issues and addresses them without getting distracted or bogged down in language design extravagances or lisp nerd semiotics. The decision to strictly adhere to lua runtime semantics was initially repulsive to…

The first top-level comment from each of the four biggest threads, in HN’s own order. Excerpts are shortened; open a comment for full context.

Breakout years
2

100+ points or 50+ comments

Total points
519

reference only — not used in Hall rules or ranking

Total comments
265

reference only — not used in Hall rules or ranking

Every submission

DateTitle as submittedByPointsComments
2020-08-26The Fennel programming language: rationaletodsacerdoti40
2023-09-13Why Fennel?First breakouthk__2238102
2025-04-13Why Fennel?Best thread · Latest 20+ point returnbehnamoh277163