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SPECIFICTION
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Nextcloud Talk vs SlackBridge

Nextcloud Talk

nextcloud.com

SlackBridge

slackbridge.com

Side by side

FigureNextcloud TalkSlackBridge
Price from€5.94/mo$49.99/mo
Free plan—Yes
Free trialYes—
Open source——
WebYesYes
WindowsYes—
macOSYes—
LinuxYes—
iOSYes—
AndroidYes—
APIYesYes
Self-hostedYes—
Plans published64
Spec score · Team chat apps8.9 (#11)8.0 (#39)
ChannelsNoYes
Guest accessYesYes
IntegrationsNextcloud Files,Nextcloud Groupware,Nextcloud Calendar,Nextcloud Deck,Nextcloud Whiteboard,Matterbridge,Microsoft Teams,Discord,Matrix,IRC,Slack,Mattermost,XMPP,Pexip,SIPThe product connects Slack workspaces with Microsoft Teams tenants using the Microsoft Graph API.
Supported platformsweb,Windows,macOS,Linux,iOS,Androidweb
PurposeNextcloud Talk combines meetings, chat and webinars in one communication platform.SlackBridge relays messages between Slack and Microsoft Teams so teams can communicate with clients in Teams while staying in Slack.
SecurityThe product page describes end-to-end encrypted calls, multi-layered encryption, brute force protection, suspicious-login detection and a $10,000 security bug bounty.SlackBridge says message content is relayed without being stored at rest and retains routing metadata for thread synchronization for seven days.
SupportThe enterprise pricing page lists portal support and response times of two business days for Standard, one business day for Premium, and 1h, 4h, 12h or 24h for Ultimate.SlackBridge says it responds to support inquiries within one business day.

Plans

Nextcloud Talk

  • Standard€71.29 a year
  • Premium€104.99 a year
  • Ultimate€204.75 a year
  • Standard€71.29 a year
  • Premium€104.99 a year
  • Ultimate€204.75 a year

Nextcloud Talk pricing →

SlackBridge

  • FreeFree
  • Pro$49.99 a month
  • Pro$49.99 a month
  • FreePrice not published

SlackBridge pricing →

In their own words

Nextcloud Talk

Nextcloud Talk combines meetings, chat, and webinars in a self-hosted communication service. It supports private, group, and public calls, URL invitations for external participants, and chat that remains after calls. Users can share Nextcloud Files documents and connect rooms with files, calendars, and tasks. Federation links chats and calls across Nextcloud servers, while bridges connect services such as Slack, Microsoft Teams, Matrix, IRC, Mattermost, and XMPP. Talk runs in browsers and on Windows, macOS, Linux, iOS, and Android, with a public API for app integrations. Security features listed include end-to-end encrypted calls, layered encryption, brute-force protection, suspicious-login detection, and a $10,000 bug bounty. Typical private deployments handle 6–10 participants, or up to 20 without video. Webinars, lobby-based public video conferences, SIP dial-in, and larger calls require the High Performance Backend.

Visit nextcloud.com

SlackBridge

SlackBridge has no write-up on Specifiction yet; its figures are above.

Visit slackbridge.com