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Re:Kan.bn – An open-source alterative to Trello by henryball on Monday June 02, 2025 @05:47AM (#44157178)
Hey HN,

I couldn’t find an open-source alternative to Trello that I liked so I built my own.

It’s fast, free and fully-customisable. You can self host it, or use the cloud version if you don’t want to manage your own infra.

Repo -> https://github.com/kanbn/kan

Cloud -> https://kan.bn

Roadmap -> https://kan.bn/kan/roadmap

I’d love feedback, bug reports, or any feature suggestions!

Re:Kan.bn – An open-source alterative to Trello by stevekemp on Monday June 02, 2025 @07:21AM (#44157657)
How does it compare to the existing open-source boards, such as:

https://wekan.github.io/

https://taiga.io/

https://kanboard.org/

Re:Kan.bn – An open-source alterative to Trello by adr1an on Monday June 02, 2025 @07:57AM (#44157898)
Or this one that I've been self-hosting for my team: https://vikunja.io/
Re:Kan.bn – An open-source alterative to Trello by diggan on Monday June 02, 2025 @08:52AM (#44158301)
I've also been using Vikunja locally for myself, but the UX really isn't the best and it isn't keyboard-driven which is a bit of a shame. The mobile version also isn't really ready for real usage, seems to lose state every now and then, or disconnect in some manner.
Re:Kan.bn – An open-source alterative to Trello by zikani_03 on Monday June 02, 2025 @09:44AM (#44158793)
We have been using Vikunja for our team for about 2/3 years and it's good. It has it's quirks but generally works. What we haven't done well is keeping up to date with development as the version we installed did enough for us. We recently found out that they moved main development to github and we are keen to contribute where we can as we have found value in it.
Re:Kan.bn – An open-source alterative to Trello by GlacierFox on Monday June 02, 2025 @10:52AM (#44159444)
Your comment just made me think about the fact I installed Vikunja like 2 years ago and I haven't updated it since. D:
Re:Kan.bn – An open-source alterative to Trello by pylotlight on Monday June 02, 2025 @07:31AM (#44157721)
Re:Kan.bn – An open-source alterative to Trello by walthamstow on Monday June 02, 2025 @07:31AM (#44157714)
Re:Kan.bn – An open-source alterative to Trello by rodnim on Monday June 02, 2025 @08:41AM (#44158220)
I am using Planka for my personal projects. Works great!
Re:Kan.bn – An open-source alterative to Trello by senorrib on Monday June 02, 2025 @09:30AM (#44158668)
Planka is not open-source.
Re:Kan.bn – An open-source alterative to Trello by organsnyder on Monday June 02, 2025 @10:55AM (#44159470)
They don't appear to be using an OSI-approved license, but the source code is available. So depending on your use-case that may be an academic distinction.
Re:Kan.bn – An open-source alterative to Trello by kstrauser on Monday June 02, 2025 @11:09AM (#44159640)
Its license has strict limitations on what you can use it for.

It’s not open source in any reasonable sense.

Re:Kan.bn – An open-source alterative to Trello by Izkata on Monday June 02, 2025 @11:14AM (#44159687)
It is open source (the code is right there), but it's not Open Source due to what GP references. There is a distinction.
Re:Kan.bn – An open-source alterative to Trello by diggan on Monday June 02, 2025 @12:14PM (#44160337)
I'm not sure the same argument that Facebook's marketing teams use, hold a lot of water on a really programming-heavy forum like this :)
Re:Kan.bn – An open-source alterative to Trello by adastra22 on Monday June 02, 2025 @11:36AM (#44159935)
That’s not what open source means. That is generally called source available.
Re:Kan.bn – An open-source alterative to Trello by Xss3 on Monday June 02, 2025 @08:17PM (#44164837)
Source available sounds like you gotta buy it.

Think of it this way, if you were going to an event and saw 'buffet available' you'd enquire how to access it. If you saw 'open buffet' you'd know it's just there for the taking.

Open source sounds like it's free to view. It's open.

An open house isn't free to own. You view it.

Open source not meaning the source code is free to view but instead having a meaning related to licensing is silly.

Call it an open license, or just name the license. The code/source isn't the license. I'll die on this hill. Christine was cool but that doesn't make her infallible. Open source meaning open license was a mistake.

Re:Kan.bn – An open-source alterative to Trello by jhardy54 on Monday June 02, 2025 @08:39PM (#44164989)
> Think of it this way, if you were going to an event and saw 'buffet available' you'd enquire how to access it. If you saw 'open buffet' you'd know it's just there for the taking.

I think maybe you’re making a different point than you mean to?

- Buffet available = you can view the buffet for free, but you have to pay to use it

- Open buffet = you can use the buffet for free, it’s just there for the taking

Re:Kan.bn – An open-source alterative to Trello by Xss3 on Tuesday June 03, 2025 @09:56AM (#44170222)
The point is that it isn't free to access.
Re:Kan.bn – An open-source alterative to Trello by 7839284023 on Monday June 02, 2025 @11:28AM (#44159866)
That’s just called „source available“.
Re:Kan.bn – An open-source alterative to Trello by kstrauser on Monday June 02, 2025 @11:27AM (#44159858)
But since [oO]pen [sS]ource has a broadly understood meaning that's different, we shouldn't deliberately use the same description for both ideas.

If you want to describe it as "source available", I'll happily go along with it. It's not open source, though. The source is visible, but it's not open to use. I mean, you can find the leaked Windows source code online, but it's not open source just because you can look at it.

Re:Kan.bn – An open-source alterative to Trello by j1elo on Monday June 02, 2025 @12:58PM (#44160847)
We're talking in English, not in Go. The meaning doesn't change that much because of using uppercase initials. What you're referring to has already been consolidated as "source available".
Re:Kan.bn – An open-source alterative to Trello by broken-kebab on Monday June 02, 2025 @02:43PM (#44161752)
I'm not a native speaker, but to me "open" sounds like it fits to the case when I can see the code. Am I speaking in Go?
Re:Kan.bn – An open-source alterative to Trello by kstrauser on Monday June 02, 2025 @02:58PM (#44161887)
No, it's just not speaking idiomatically. The term "open source", with or without caps, has a commonly understood meeting that's widely used. Whatever the individual words mean in the dictionary, together they have a well defined meaning. Applying it to other situations that contradict that meaning just adds confusion.

As an example, you could describe a spinning disk hard drive as "RAM" because it's a memory device you can randomly access. That would meet the dictionary definitions of "random", "access", and "memory". And yet, everyone would be annoyed with you for doing so. "I have 16TB of RAM in my computer!" "No you don't, Kebab. Stop saying that!"

Re:Kan.bn – An open-source alterative to Trello by johnisgood on Monday June 02, 2025 @04:23PM (#44162648)
He is a broken kebab. We will fix him!
Re:Kan.bn – An open-source alterative to Trello by bmacho on Monday June 02, 2025 @03:22PM (#44162118)
> Open source is source code that is made freely available for possible modification and redistribution. Products include permission to use and view the source code,[1] design documents,[2] or content of the product.

> Generally, open source refers to a computer program in which the source code is available to the general public for usage, modification from its original design, and publication of their version (fork) back to the community.

https://en.wikipedia.org/wiki/Open_source

Re:Kan.bn – An open-source alterative to Trello by j1elo on Monday June 02, 2025 @04:47PM (#44162875)
I'm sorry for the snark in my comment, it intended to just be a funny joke due to the capitalization thing (in Go that's what separates public from private fields, which is a weirdness of the language that surprises people the first time they get to learn it)

As others said, while "open" does indeed mean "reachable" or "available" in this context of source code, it happens that "open source" is a well defined thing to allow not only access, but also modification, reuse, and distribution without limitations. So the "open" in "open source" has its meaning brought to the highest level of openness.

Re:Kan.bn – An open-source alterative to Trello by broken-kebab on Tuesday June 03, 2025 @02:49PM (#44173294)
Thanks! No worries, I'm not offended at all
Re:Kan.bn – An open-source alterative to Trello by bmacho on Monday June 02, 2025 @03:13PM (#44162024)
OFF: Can we do something about this "open source" = "Open Source" usage? I want the opposite, "open source" = "source available" usage, because

    - that's what the words mean. 
    - the concept of Open Source is better denoted by a Proper Noun anyway
I think the "open source" = "Open Source" usage will be a friction point forever if it stays. Can we ..

  - revert the usage to "open source" = "source available", or
  - decide that "open source" with small letters should not to be used (use "Open Source" or "source available" instead), or
  - defend "open source" = "Open Source" usage in a blogpost once and for all, and lessen this friction?
Re:Kan.bn – An open-source alterative to Trello by kstrauser on Monday June 02, 2025 @05:04PM (#44163017)
It's unnecessarily complicating things to require case sensitivity here. Words don't typically completely change their meaning just because of capitalization. And suppose I write that in a Slack channel where no one uses caps at all? Do I have to use caps anyone to make sure I'm not confusing everyone? How do I pronounce it correctly if I'm giving a speech such that listeners know which one I mean? What if the closed captioner writes the case wrong?

Nah. "Open Source" = "open source", because any other interpretation goes against the norms of written and spoken English, and because it'd be an absolute freaking pain in the neck to create that brand new distinction that's not an issue today.

Re:Kan.bn – An open-source alterative to Trello by huhtenberg on Monday June 02, 2025 @05:16PM (#44163102)
The term should've really been "Libre source" and that would've been very much in line with the idea behind it. Alas, that boat has sailed.
Re:Kan.bn – An open-source alterative to Trello by bityard on Monday June 02, 2025 @06:36PM (#44163952)
Sure, if you invent a time machine and rewrite how things actually evolved.

Early on, you mostly had only two kinds of code: Proprietary software whose source code is closely guarded as a trade secret, contrasted with open software where the source code is quite deliberately shared with the world as widely as possible. The former was code owned by companies, the latter was generally academics and hobbyists.

It's only somewhat recently that there has been a fairly large gray area between those two, mostly from companies who want to capitalize on the warm fuzzy feels of Open Source in their marketing material while building a moat that doesn't allow others to do much without the missing proprietary bit, or because the license doesn't allow redistribution, to pick to random examples.

Re:Kan.bn – An open-source alterative to Trello by xet7 on Monday June 02, 2025 @08:31PM (#44164938)
There is fork of Planka with MIT license:

https://github.com/RARgames/4gaBoards

Re:Kan.bn – An open-source alterative to Trello by croisillon on Monday June 02, 2025 @07:31AM (#44157720)
and Nullboard: https://github.com/apankrat/nullboard

i don't understand the wave of downvotes but whatever

Re:Kan.bn – An open-source alterative to Trello by iLoveOncall on Monday June 02, 2025 @09:03AM (#44158401)
Pretty obviously because this one is very different in philosophy (minimalism) than the one OP is working on while the other ones that have been posted aim for feature parity (at least) with Trello?
Re:Kan.bn – An open-source alterative to Trello by croisillon on Monday June 02, 2025 @09:26AM (#44158628)
OK, i see
Re:Kan.bn – An open-source alterative to Trello by neuroticnews25 on Monday June 02, 2025 @09:03AM (#44158403)
Thank you, hosted demo with no login required saving to local storage is exactly what i was looking for.
Re:Kan.bn – An open-source alterative to Trello by busssard on Monday June 02, 2025 @08:45AM (#44158245)
also Obsidian with Kanban plugin
Re:Kan.bn – An open-source alterative to Trello by mogoh on Monday June 02, 2025 @09:08AM (#44158447)
Obsidian is not open-source.
Re:Kan.bn – An open-source alterative to Trello by mbesto on Monday June 02, 2025 @07:41PM (#44164577)
I went down the rabbit hole of self hosted kanban boards recently. Honestly, nothing comes close to Trello and while I love the open source communities (and supporting them), these alternatives usually dont come close, or worse they try to be super feature rich and its get in the way of their functionality. The better open source options tend to be airtable alternatives or full blown project management tools (Eigenboard, Plane, etc)
Re:Kan.bn – An open-source alterative to Trello by yolkedgeek on Tuesday June 03, 2025 @03:38AM (#44167428)
Plane is so sick. I think it's better than trello
Re:Kan.bn – An open-source alterative to Trello by jasonm23 on Tuesday June 03, 2025 @04:09AM (#44167615)
Thank you, I hadn't heard of Plane... and ... nice
Re:Kan.bn – An open-source alterative to Trello by IIsi50MHz on Wednesday June 04, 2025 @09:54PM (#44187582)
I think I found Plane[1], but Eigenboard?

https://github.com/makeplane/plane?tab=readme-ov-file

Re:Kan.bn – An open-source alterative to Trello by mbesto on Tuesday June 10, 2025 @09:22AM (#44236478)
Eigenfocus, sorry! https://eigenfocus.com/
Re:Kan.bn – An open-source alterative to Trello by progx on Monday June 02, 2025 @07:50AM (#44157849)
Sorry, but I can't see what is better or other than every existing kanban-tool. I tried it, but you have only drag & drop lists with items and labels, that is all.
Re:Kan.bn – An open-source alterative to Trello by progx on Monday June 09, 2025 @05:43AM (#44222773)
I don't want to blame you, you have put in a lot of work. My point is, that at the current state, your kanban offers nothing special. It is like the other 1000 kanban boards.

I think you should specialize your board for a selected audience. Not a board for all, that kind of boards we have.

Example: Kanban with special features for game developement. More visual options, images and not only text. Currently there exists only some really overbloated tools.

Re:Kan.bn – An open-source alterative to Trello by cellularmitosis on Monday June 02, 2025 @08:59AM (#44158371)
Nice project. Some of the workflows could be more keyboard friendly. I started an issue: https://github.com/kanbn/kan/issues/3
Re:Kan.bn – An open-source alterative to Trello by jpc0 on Monday June 02, 2025 @09:00AM (#44158376)
I would love to see webhook support add to this.

For many users this isn’t an issue but for use it’s a must have feature.

Will stick to trello for the time being.

Re:Kan.bn – An open-source alterative to Trello by xet7 on Monday June 02, 2025 @08:42PM (#44165008)
WeKan https://wekan.github.io has:

1) Per-board webhooks at board right sidebar / Board Settings / Webhooks

2) Global Webhooks at Admin Panel

See right menu of https://github.com/wekan/wekan/wiki , scroll down to webhooks part of menu.

It's possible to send board change events like move card as webhooks, for example to some chat:

https://github.com/wekan/wekan/wiki/Outgoing-Webhook-to-Disc...

Or to NodeRED:

https://github.com/wekan/wekan/issues/2017

or to to some PHP webhook receiver like this, that can use Python code to call WeKan API:

https://github.com/wekan/webhook/blob/main/public/index.php#...

https://github.com/wekan/wekan/blob/main/api.py

Re:Kan.bn – An open-source alterative to Trello by smartbit on Tuesday June 03, 2025 @06:39AM (#44168450)
WeKan doesn’t seem to have an App for iOS https://wekan.team/app/
Re:Kan.bn – An open-source alterative to Trello by xet7 on Tuesday June 03, 2025 @09:16AM (#44169750)
WeKan works at iOS, it's mentioned at that page, I'll try to update that page to be more clear.

WeKan is fully compatible with iOS webbrowsers, touch, drag drop etc.

For free WeKan server, at iPhone or iPad make WeKan app icon like this: https://github.com/wekan/wekan/wiki/PWA from free server hosted by me (no admin access) from address https://boards.wekan.team/sign-in or from your own hosted server https://wekan.example.com/sign-in . From that icon, WeKan starts fullscreen, at iPhone in mobile board view, and at iPad desktop browser view, working exactly like app.

There is not yet separate app at App Store, because figuring out releasing to App Store takes some time.

Re:Kan.bn – An open-source alterative to Trello by henryball on Tuesday June 03, 2025 @07:12AM (#44168686)
This is a cool idea - I've added it to the roadmap!
Re:Kan.bn – An open-source alterative to Trello by mbreese on Monday June 02, 2025 @09:09AM (#44158461)
I think one thing that might help the discussion would be if you could explain a bit more about what you didn't like or thought was missing from other alternatives. IMO, there's nothing wrong with building an alternative because you wanted to, but if there is some feature that you're specifically trying to do support, it would be helpful to mention it here.
Re:Kan.bn – An open-source alterative to Trello by AntiqueFig on Monday June 02, 2025 @09:14AM (#44158514)
Shouldn't this be a "Show HN:" post?
Re:Kan.bn – An open-source alterative to Trello by henryball on Monday June 02, 2025 @10:08AM (#44159021)
You're right - I thought I had posted it to show HN but obviously not...
Re:Kan.bn – An open-source alterative to Trello by Closi on Monday June 02, 2025 @10:30AM (#44159224)
Just as a heads up, that roadmap you linked is broken.

The formatting looks all off for me on chrome mac (black bars) and then if I click on a card it opens a window but then doesn't load any data.

Also it looks like a bug that if you filter by some tags, then click a card, the filter gets reset.

This is 5 secs of testing on the one board you have publicly shared, so there might be a few bugs to iron out!

Re:Kan.bn – An open-source alterative to Trello by Closi on Monday June 02, 2025 @10:57AM (#44159485)
A few other trivial bugs I have found:

* Can create multiple workspaces with same name which then ticks both * Invite user seems to not work randomly or will not send the email * Cards with special characters like @ will just not be created, and won't show error messages.

Re:Kan.bn – An open-source alterative to Trello by Closi on Monday June 02, 2025 @11:00AM (#44159511)
oop found a security issue - you can abuse profile pictures to upload any file (e.g. to host malware if you were a bad actor!)

IMO don't think this is ready for production use in the slightest - but cool project!

Re:Kan.bn – An open-source alterative to Trello by Xiol32 on Monday June 02, 2025 @04:18PM (#44162604)
Would be interested to know if this was vibe coded.
Re:Kan.bn – An open-source alterative to Trello by henryball on Tuesday June 03, 2025 @08:55AM (#44169497)
This has been patched - thanks for flagging!
Re:Kan.bn – An open-source alterative to Trello by Closi on Thursday June 05, 2025 @07:40AM (#44190623)
Not a bug necessarily, but one of the key features of trello is multi-user editing which doesn't seem to work.

i.e. if I open two tabs, and edit one tab, the other tab doesn't update and visa-versa until refresh.

Re:Kan.bn – An open-source alterative to Trello by tiffanyh on Monday June 02, 2025 @11:38AM (#44159973)
Feedback (since you asked) ...

Using the kanban for your roadmap, https://kan.bn/kan/roadmap two things I noticed:

1. When I click a card, no data is present. It's just an empty card that says "Activity".

2. After you click a few cards, it hijacks your browser Back button.

Re:Kan.bn – An open-source alterative to Trello by johnisgood on Monday June 02, 2025 @04:24PM (#44162660)
+1
Re:Kan.bn – An open-source alterative to Trello by kadutskyi on Monday June 02, 2025 @11:46AM (#44160047)
Scrollbar in Safari looks wrong.
Re:Kan.bn – An open-source alterative to Trello by andruby on Monday June 02, 2025 @04:26PM (#44162674)
Really cool you built this!

Can you elaborate a bit on what you were missing or didn’t like from the other existing open source Trello clones?

I’m curious what potentially different choices/trade-offs you made.

Re:Kan.bn – An open-source alterative to Trello by caseysoftware on Monday June 02, 2025 @07:12PM (#44164320)
Congrats, strong start.

What are you doing (plan to do) that is more interesting/compelling/useful than anyone else?

Also, what have you learned so far? What surprised you?