Alternatives

Products that do what Flux does

Team chat with an extension marketplace and desktop app.

1
Flux▲374
Build your own agents in iMessage
Jan 2026
2
Fluxer▲154
Open-source Discord-like instant messaging & VoIP platform
Jan 2026
3
Slack▲2,713
Be less busy. Real-time messaging, archiving & search.
2013 · slack.com
4
Flow▲440
Beautiful team chat with tightly integrated task management
2015
5LT
Linen.team – A lightweight, thread-first Slack alternative▲124
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
6
SpatialChat 3.0▲508
All-in-one space for collaboration, all-hands and networking
2022
7IB
I built a tool to create AI agents that live in iMessage▲54
Hey everyone, I made this thing: https://tryflux.ai/. Here's a demo video: https://screen.studio/share/1y2EnC26 Context: I've tried probably 15 different AI apps over the past year. ChatGPT, note-taking apps, productivity apps, all of it. But most of them are just clutter on my iphone. They live in some app I have to deliberately open. And I just... don't. But you know what I open 50 times a day without thinking? iMessage. So out of mild frustration with the "AI app graveyard" on my phone, I built Flux. What it does: - You describe a personality and what…
Jan 2026 · tryflux.ai
8
Twist 1.0▲413
More productive messaging for teams
2017
9
Slack 4.0▲472
A snappier, more efficient Slack desktop experience
2019
10
Slack Shared Channels▲485
Work with anyone in Slack
2017
11
Compass▲295
Ask Slack about your data and get answers instantly in chat
Dec 2025
12
Mantle Chat▲315
Collaboration platform where teams work with AI together
May 2026 · mantle.chat
13
Orchestra▲794
A chat-centric workspace for builders and modern teams
Oct 2025 · orch.so
14
Spot 2.0▲287
The next-gen communication app for teams
2022
15
Fluxmail▲69
AI email inbox and assistant
Jun 2026 · fluxmail.ai
16
Buzz▲161
Your people, your agents, your project — all in one place
Jul 2026 · buzz.xyz
17
Teamflow▲491
Feel like a team again with your own virtual office
2021
18
Glue▲291
Agentic, MCP-powered team chat turns talk into action
Oct 2025
19
Conversations by Thursday▲470
Time for new social rituals for your remote team
2022
20
Twist 2.0▲291
For teams burnt out by real-time chat, work async, not ASAP
2021
21FO
Fluxer – open-source Discord-like chat▲11
Hey HN, and happy new year! I'm Hampus Kraft [1], a 22-year-old software developer nearing completion of my BSc in Computer Engineering at KTH Royal Institute of Technology in Sweden. I've been working on Fluxer on and off for about 5 years, but recently decided to work on it full-time and see how far it could take me. Fluxer is an open source [2] communication platform for friends, groups, and communities (text, voice, and video). It aims for "modern chat app" feature coverage with a familiar UX, while being developed in the open and staying FOSS (AGPLv3). The codebase is largely written in…
Jan 2026 · fluxer.app
22
Spoke.ai▲403
Summarize Slack with powerful & secure AI
2023
23
Slite Discussions▲419
Docs + decision making for remote teams
2022
24
Zulip 4.0▲121
Open source team chat with powerful threading
2021

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