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The Fennel Programming Language

fennel-lang.org Software & code Software projects 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
6
submitters
4
observed span
2018–2024
peak thread · 77 comments
235 pts
latest 20+ return · 2024-09-08
235 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've talked about it a few times before when it comes up but I love this language and think it's just an incredible technical accomplishment. Lua is beloved and I have a ton of respect for that project in itself, it's definitely one of the seven wonders of the programming world. But the (well-considered) compromises for its intended use as an embedded scripting language make it pretty rough for large complex projects. Fennel is just an extremely focused aid to…

While I can't say much on the language (well, it's a Lisp), I must congratulate the author for creating exemplary front page for it. The four key bullet points as elevator pitch, code sample above the fold to grab attention, embedded interpreter to play around, and the simple instructions how to run locally now that I'm sold, it has it all without being too heavy or noisy or anything. Clean, neat, beautiful.

zokier·182-point thread·

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
427

reference only — not used in Hall rules or ranking

Total comments
139

reference only — not used in Hall rules or ranking

Every submission

DateTitle as submittedByPointsComments
2018-09-18Fennel – Lisp in LuaFirst breakouttosh18262
2022-01-14Fennel – Clojure-like Lisp that compiles to Luacapableweb20
2022-02-18The Fennel Programming Languagebpierre10
2022-10-13The Fennel Programming Languagetosh40
2024-06-02Funnel for Lisp Based Gamengcc_hk30
2024-09-08The Fennel Programming LanguageBest thread · Latest 20+ point returntosh23577