Top 11 productivity · communication that work with Gitlab

Mattermost is the highest-ranked provider in the Top 11 Slack vs Microsoft Teams vs Discord: 11 Best Team Communication Tools 2026 that integrates with Gitlab.

Why this answer

Filtered to entries that publicly document a Gitlab integration. We do not include "API available" as proof of integration — there has to be a named connector or first-class workflow.

Showing all 2 matches. Top 11 publishes whatever the data supports — we don’t pad lists. See the full ranked Slack vs Microsoft Teams vs Discord: 11 Best Team Communication Tools 2026.

  1. #1Mattermost(rank #6 in Slack vs Microsoft Teams vs Discord: 11 Best Team Communication Tools 2026)

    8/9.4

    Top open-source platform for teams needing total data control.

    Full Mattermost review · Compare: Mattermost vs Element · Alternatives

  2. #2Element(rank #11 in Slack vs Microsoft Teams vs Discord: 11 Best Team Communication Tools 2026)

    —

    A decentralized, E2EE tool for ultimate data security and control.

    Full Element review · Alternatives

Methodology: /methodology · No paid placement ever · Verified .