Dev tools · alternatives · 2026
24 alternatives to Zulip 4.0
Open source team chat with powerful threading
Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. Zulip 4.0 launched in 2021; newer entries below may have overtaken it.
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Taskade 3.0▲645All-in-one collaboration. Chat, organize, get things done!
2020 · taskade.com · its alternatives →
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Slack▲2,714Be less busy. Real-time messaging, archiving & search.
2013 · slack.com · its alternatives →
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One inbox for all your work discussions
2024 · generalcollaboration.com · its alternatives →
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Teamhub.com▲237Hey HN, We've just launched our team collaboration platform where we're bringing together all the important tools under one app. We've been frustrated in the past with tools which had a huge disconnect between projects and chat. It always inevitably leads to teams using external chat apps for "project management" and then abandoning the main tools altogether. We're creating tools we hope teams will stick with. Super integrated Chat. Convert comments to tasks and have them auto added to project boards. Automations to help massively reduce burden on the team. Workflows, Time-Off and so much…
2024 · teamhub.com · its alternatives →
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Teamflow▲490Feel like a team again with your own virtual office
2021 · teamflowhq.com · its alternatives →
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Glue▲291Glue is team chat optimized for AI. Today we're releasing support for MCP tools right in your Glue team conversations. Just like MCP in Cursor or Windsurf, you can now use any tool in a private AI chat or any Glue team thread while pulling in its full context to help. Using team chat context for MCP is kind of game-changing, letting you do anything from creating a calendar event or Linear issue to looking up data from an internal system. Our team has been using MCP tools as part of core team workflows for a few weeks now, and it's fantastic. We're particularly fans of remote-hosted MCP…
2025 · glue.ai · its alternatives →
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Hi HN! I'm Kam, the founder and one of the authors of Linen. Today, we are launching Linen.team (https://linen.team/), a lightweight threaded messaging app for your team. Modern workplace messaging apps (like Slack) are based on IRC, which is great for small groups, but as it scales, breaks down quickly: you either get overwhelmed by notifications or you have to turn them all off. Most chat apps have threads tacked on but aren't built from the ground up with this design in mind. We wanted to create a thread-first experience where you can organize and prioritize conversations…
2024 · its alternatives →
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Mantle Chat▲298Collaboration platform where teams work with AI together
May 2026 · mantle.chat · its alternatives →
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Buzz▲161Your people, your agents, your project — all in one place
Jul 2026 · buzz.xyz · its alternatives →
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Microsoft Teams▲251Manage projects with Gantt charts and task tracking
2016 · teams.microsoft.com · its alternatives →
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Intranetus▲109The Simplest & Fastest Task Tracker for Remote Teams
2022 · artlebedev.ru · its alternatives →
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Collaborate with commenting, annotations, and faster sharing
2020 · getcloudapp.com · its alternatives →
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Ranked by how close each launch is in meaning, then by votes. Prices were read from each product’s own site when checked and can change. Refine with your own description →