When comparing Blossom vs Wekan, the Slant community recommends Wekan for most people. In the question“What are the best online Kanban boards?” Wekan is ranked 7th while Blossom is ranked 16th. The most important reason people chose Wekan is:
Open source software benefits from collaborative development from the user community.
Specs
Ranked in these QuestionsQuestion Ranking
Pros
Pro Slack integration
An update is posted to the Slack channel every time a task is created, completed, moved, or commented upon.
Pro Simple & clean interface
Design focuses on clarity.
Pro Open source
Open source software benefits from collaborative development from the user community.
Pro Install with a few clicks with Cloudron or Yunohost
Making it really easy to self host.
Pro Easy to create instance on sandstorm.io
Wekan is available as an app on sandstorm.io. For personal use, it may be sufficient to run an instance in a free sandstorm account.
Pro Easy to install on most arm64, x86 and x64 linux systems
Pro Friendly support
Developers are very helpful and friendly.
Pro Clear UI/UX
Well-thought-out user interface – despite the high complexity of the functionality very intuitive.
Pro Can easily be integrated with NodeJS apps
Since it's built using Meteor, it can easily be integrated with existing NodeJS apps.
Pro Written in JavaScript
Cons
Con No free plan
There is no free plan like for personal use and the minimal cost of $19/month might be prohibitive.
Con Slack integration is really basic
There is no way to interact with tasks in any way - new tasks can't be added, completed tasks can't be removed, tasks can't be assigned, etc. The integration only sends updates to the Slack channel. There is also no way to fine-tune what updates get posted to Slack.