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Show HN: NimForum – A lightweight alternative to Discourse

github.com Software & code Software projects Software engineering Candidate
Screenshot of github.com captured 2026-07-20
Page preview · captured 2026-07-20

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

submissions
3
submitters
2
observed span
2018–2021
peak thread · 106 comments
186 pts
latest 20+ return · 2021-08-27
172 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

Nim is awesome - the programming language, the community, and the emerging ecosystem. Live example, for discussing the Nim programming language: https://forum.nim-lang.org/ ; Dominik Picheta (dom96), the main author of NimForum, is one of the core Nim language developers and is one of the people making the Nim community so awesome. Thanks, Dom. The Nim developers practice dogfooding, and NimForum is one result of that practice. I haven't had much mileage with this new version (the actual Nim forum was…

beagle3·186-point thread·

Because this is coming from nim and nim design goals are to be efficient and elegant I can not help but notice the excessive bloat. The main forum page is 4MB of data (~700kb compressed) to basically communicate 3KB of information (plus avatar images which should not be more than few kb total anyway). This is still better than original Discourse which for this same thing needs 6MB of data (1.2MB compressed). However Discourse does not claim to be efficient…

Forum software is much needed. All alternatives out there are PHP -- and Discourse, which is way too heavy. This seems as lean and fast as possible. I liked it.

fiatjaf·15-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
373

reference only — not used in Hall rules or ranking

Total comments
156

reference only — not used in Hall rules or ranking

Every submission

DateTitle as submittedByPointsComments
2018-05-24Show HN: NimForum – A lightweight alternative to Discoursedom96151
2018-05-25Show HN: NimForum – A lightweight alternative to DiscourseFirst breakout · Best threaddom9618649
2021-08-27Nimforum: Lightweight alternative to Discourse written in NimLatest 20+ point returnducktective172106