Is there a way to reward best helping colleagues ?

[cap community]

 For example someone that picks up unassigned tasks should get badges or points. So that it can be recognised as a great helper

[Prabhu Palanisamy _Onward_]

OnRewards - Native peer recognition and rewards management in Jira. Please give it a try.

[Justyna Wojtczak]

The disclaimer: I'm a GetBadges co-founder

Yes, it is :) Please look at https://getbadges.io

Basically, the integration with JIRA works (aytomagically reward for done tasks come from JIRA)

In this month we're going to add new feature: custom tasks, where you can reward by points or/and badges for unassigned tasks.

[Sam Hall]

Have a look for JIRA Gamification add-ons like Jiraffe or GetBadges (see also https://getbadges.io/integration/jira).