Developer Slack communities

7 hand-checked Developer Slack communities for engineers who want to get unblocked on a language, framework or tool and follow what ships next. Each listing shows member numbers as the community states them, how active it is, what it costs and how to get in.

Docker Community SlackSlack · docker.com50K membersClaim this spot · $67/mo

Julia Language SlackSlack · julialang.org15K+ membersClaim this spot · $67/mo

Elm SlackSlack · elm-lang.orgClaim this spot · $67/mo

DevRel CollectiveSlack · devrelcollective.funClaim this spot · $67/mo

Temporal Slack CommunitySlack · docs.temporal.ioClaim this spot · $67/mo

CNCF Cloud Native SlackSlack · contribute.cncf.ioClaim this spot · $67/mo

Kubernetes SlackSlack · kubernetes.ioClaim this spot · $67/mo

Browse Slack communities by topic

Browse Developer communities by platform

Wider lists

Common questions

How many Developer Slack communities are listed here?

7 right now. Every listing is checked by hand before it goes live, and member numbers are shown exactly as the community states them rather than rounded up.

Are Developer Slack communities free to join?

Every one listed here is free to join, though some ask you to register or answer a short question first.

Which Developer Slack communities are the biggest?

By stated member count: Docker Community Slack (50K members), Julia Language Slack (15K+ members). Size is worth weighing against how active a community actually is, which each listing shows separately.