Business Instant Messaging · Alternatives
Brosix alternatives
As of 21 Oct 2026, the panel rates Element (3.5/5), Mattermost (3.5/5) and Stackfield (3/5) highest among the other 19 Business Instant Messaging products evaluated. Ratings that look equal are rounded to half stars; the order uses the unrounded rating, then the name. The highest-rated European alternative is Element (UK / wider Europe). Ratings are the AI panel’s opinion, formed from public evidence: how scores are made.
Brosix’s own page → All Business Instant Messaging products →
European alternatives to Brosix
European by provenance (EU-made, EU origin with foreign ownership, or UK and wider Europe). Data hosting is stated only where the vendor’s own pages prove it.
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Element
UK / wider EuropePanel rating
Element is a Matrix-based business messenger that scores highest on encryption and access and deployment control: end-to-end encryption is on by default over the NCC Group-audited Olm and Megolm protocols, and the free AGPL Community edition, official Helm charts, on-premise, private-cloud and air-gapped paths put custody with the customer.
- Data hosting: not stated on the vendor’s pages
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Stackfield
EU-MadePanel rating
Stackfield is a business instant messaging product strongest where it advertises: encryption and access scored 8 to 9, on client-side AES and RSA encryption, per-room passwords, admin-enforceable policy, a whitepaper, and statements that neither the vendor nor its subcontractors can read enabled rooms.
- Data hosting: not stated on the vendor’s pages
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Wire (Messaging)
EU-MadePanel rating
Wire is end-to-end encrypted business messaging built on the open MLS standard, and the scores are highest on the cryptography: encryption and access sits at 9-10, with encryption on by default for messages, files and calls, a vendor that states it has no access to encryption keys, and certificate-based device verification through ID Shield.
- Data hosting: Default not stated; pages mention Germany and Ireland
- Free plan: yes, per the vendor’s page captured 19 Oct 2026
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Threema Work
EU-MadePanel rating
Threema Work is a business messenger, strongest on encryption and access with scores of 9 across the bench: end-to-end encryption is the default for messages, calls, files, profile pictures, group names and member lists, backed by open-source clients, reproducible builds, Cure53 audits and a formal proof of the Ibex protocol.
- Data hosting: Default not stated; pages mention Switzerland
Other alternatives
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Mattermost
Rest of worldPanel rating
Mattermost is a business instant-messaging platform whose bench scoring favors customer custody over vendor cloud.
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Rocket.Chat
Rest of worldPanel rating
Rocket.Chat is an MIT-licensed, self-hostable messaging platform, and its scores reward exactly that: deployment control is strongest at 8-9, encryption and access follows at 7-8, while pricing transparency at 1-2 and sovereignty at 3-4 are weakest.
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Zulip
Rest of worldPanel rating
Zulip, a business instant-messaging platform from Kandra Labs, Inc., earns its best marks for deployment control, 8 to 9, and pricing transparency, an even 7: the codebase is 100% open source and auditable, self-hosting is offered, export and import tools move data between Zulip Cloud and customer servers, and both paid tiers — Standard at $6.67 /user/month billed annually or $8 billed monthly, Plus at $10 /user/month billed annually or $12 billed monthly — are public with limits stated per plan.
- Free plan: yes, per the vendor’s page captured 19 Oct 2026
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Slack
Rest of worldPanel rating
Slack, a cloud-based business messaging service from Salesforce, Inc., scored strongest on governance and discovery and messaging core, with integrations at a flat 6.
- Free plan: yes, per the vendor’s page captured 19 Oct 2026
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Microsoft Teams (Chat)
Rest of worldPanel rating
Microsoft Teams (Chat) is strongest where the captured pages are most concrete — integrations at 6-7 and governance and discovery at 6-7 — naming eDiscovery, legal hold, audit log, content search and retention policies, plus a Graph REST platform with SDKs, bots, PowerShell provisioning, over 250 integrated business apps and a free renewable developer subscription.
- Free plan: yes, per the vendor’s page captured 1 Oct 2026
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Zoho Cliq
Provenance unknownPanel rating
Zoho Cliq is a cloud business-messaging service from Zoho Corporation.
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Pumble
Provenance unknownPanel rating
Pumble is a cloud business chat workspace from CAKE.com Inc.
- Free plan: yes, per the vendor’s page captured 19 Oct 2026
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Twist
Provenance unknownPanel rating
Twist is Doist's hosted, thread-first team messaging product, and the bench's strongest evidence sits where the product pitches itself: threads organized inside channels, pinnable and movable between channels, archived channels that stay browsable and can be unarchived, an inbox, color-coded channel lists.
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Fleep
Provenance unknownPanel rating
Fleep is a business instant messaging cloud subscription from Fleep Technologies OÜ, an Estonian company, storing data on Amazon Web Services in the European Union.
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Flock
Provenance unknownPanel rating
Flock is a cloud business-messaging tool.
- Free plan: yes, per the vendor’s page captured 1 Oct 2026
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Speakap
Provenance unknownPanel rating
Speakap B.V.
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Symphony
Provenance unknownPanel rating
Symphony, a messaging, voice, directory and analytics vendor for global finance, drew converging scores with no substantive disagreement between judges: strongest on integrations and encryption and access, weakest on messaging core, deployment control, governance and discovery and sovereignty.
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Chanty
Provenance unknownPanel rating
Chanty is a cloud workspace for business chat where people and AI agents work side by side, and the bench's scoring divides between its access layer and its foundations.
- Free plan: yes, per the vendor’s page captured 13 Oct 2026
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Beekeeper
Provenance unknownPanel rating
Beekeeper AG is a mobile-first business instant messaging product for frontline teams — no corporate email required — now part of LumApps.
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Siilo
Provenance unknownPanel rating
Siilo B.V., now called Doctolib Connect, is judged here as a free messenger for healthcare professionals plus a 'tailored solution' closed secure network for organisations, on a stated 10 M monthly messages from 1.2 M professional users and 225 K care organisations in Europe.