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Tettra alternatives: 5 apps ranked by verified data

Facts checked Oct 25, 2026AppBreakup editorialHow we rank

Common reasons people leave Tettra: ten-user minimum on the main plan, and much less useful for teams not on Slack. We ranked 5 alternatives by how directly each one replaces Tettra, then by reviews, real visits and how recently each app's facts were checked against its own website. Slab currently ranks first.

Quick comparison

#AppPricingOpen sourcePlatformsVerified factsScore
1Slab logoSlabFree plan + paidNoWeb, macOS, Windows +14 of 474.6
2Guru logoGuruPaidNoWeb, Browser extension4 of 466.5
3Slite logoSlitePaidNoWeb, macOS, Windows +24 of 462.6
4Notion logoNotionFree plan + paidNoWeb, Windows, macOS +21 of 359.2
5Outline logoOutlineFree plan + paidNoWeb, macOS, Windows +15 of 555.3
  1. Slab logo

    1. SlabTop pick

    Best for: Small and mid-sized teams that want a tidy internal wiki people will actually read

    Free plan + paidWeb, macOS, Windows, Browser extension

    74.6

    score / 100

    Why switch from Tettra

    A clean wiki with a free plan and unified search.

    Pros

    • Clean, distraction-free editor
    • Unified search across connected tools
    • Free plan for up to 10 users

    Cons

    • Wiki only, no databases or task tracking
    • No self-hosting option
    • Fewer customisation options than Confluence
    Visit Slab Details and reviews
    How this score is calculated
    Editorial fit ×0.377
    Reviews ×0.363
    Clicks (90 days) ×0.15100
    Freshness ×0.1585
    Votes ×0.150

    0 counted reviews, 0 up and 0 down votes. Full formula

    Is Slab a good Tettra alternative?

    Verified facts

    4 of 4 verified
    Free plan
    Yes, free forever
    Checked Oct 25, 2026slab.com(opens source in a new tab)
    Free plan users
    Up to 10
    Checked Oct 25, 2026slab.com(opens source in a new tab)
    Startup price
    $6.67 per user/month (annual)
    Checked Oct 25, 2026slab.com(opens source in a new tab)
    Business price
    $12.50 per user/month (annual)
    Checked Oct 25, 2026slab.com(opens source in a new tab)
  2. Guru logo

    2. Guru

    Best for: Larger companies that need verified, permission-aware answers for staff and AI assistants

    PaidWeb, Browser extension

    66.5

    score / 100

    Why switch from Tettra

    Enterprise-grade verification and delivery into more tools than just Slack.

    Pros

    • Verification workflow keeps answers current
    • Delivers knowledge inside Slack, Teams and the browser
    • Strong compliance and permission controls

    Cons

    • No public price list; pricing goes through sales
    • Overkill for small teams wanting a simple wiki
    • Card-based structure suits short answers more than long docs
    Visit Guru Details and reviews
    How this score is calculated
    Editorial fit ×0.3100
    Reviews ×0.363
    Clicks (90 days) ×0.150
    Freshness ×0.1585
    Votes ×0.150

    0 counted reviews, 0 up and 0 down votes. Full formula

    Is Guru a good Tettra alternative?

    Verified facts

    4 of 4 verified
    Pricing
    Custom, scoped with sales
    Checked Oct 25, 2026getguru.com(opens source in a new tab)
    Compliance
    SOC 2 Type II, HIPAA, GxP
    Checked Oct 25, 2026getguru.com(opens source in a new tab)
    Integrations
    100+ plus MCP
    Checked Oct 25, 2026getguru.com(opens source in a new tab)
    Slack integration
    Yes, with cited answers
    Checked Oct 25, 2026getguru.com(opens source in a new tab)
  3. Slite logo

    3. Slite

    Best for: Teams that want AI answers grounded in docs they can mark as verified

    PaidWeb, macOS, Windows, iOS, Android

    62.6

    score / 100

    Why switch from Tettra

    AI answers in Slack plus a fuller document editor.

    Pros

    • Verification and stale-doc tracking built in
    • AI search across Slite and connected tools
    • EU hosting with SOC 2 Type II and HIPAA

    Cons

    • No free plan, only a trial
    • Cross-tool AI answers need the pricier Pro plan
    • Monthly AI question limits on Basic
    Visit Slite Details and reviews
    How this score is calculated
    Editorial fit ×0.387
    Reviews ×0.363
    Clicks (90 days) ×0.150
    Freshness ×0.1585
    Votes ×0.150

    0 counted reviews, 0 up and 0 down votes. Full formula

    Is Slite a good Tettra alternative?

    Verified facts

    4 of 4 verified
    Starting price
    $10 per member/month (Basic, yearly)
    Checked Oct 25, 2026slite.com(opens source in a new tab)
    Pro price
    $20 per member/month (yearly)
    Checked Oct 25, 2026slite.com(opens source in a new tab)
    Free trial
    14 days
    Checked Oct 25, 2026slite.com(opens source in a new tab)
    Compliance
    SOC 2 Type II, HIPAA, GDPR; EU-hosted
    Checked Oct 25, 2026slite.com(opens source in a new tab)
  4. Notion logo

    4. Notion

    Best for: Teams that want docs, wikis and simple databases in one place

    Free plan + paidWeb, Windows, macOS, iOS, Android

    59.2

    score / 100

    Why switch from Tettra

    A general workspace with Q&A features if you want docs and projects together.

    Pros

    • Flexible blocks and databases
    • Large template gallery
    • Strong sharing and permissions

    Cons

    • Needs an internet connection for most work
    • Large workspaces can feel slow
    Visit Notion Details and reviews
    How this score is calculated
    Editorial fit ×0.341
    Reviews ×0.363
    Clicks (90 days) ×0.15100
    Freshness ×0.1553
    Votes ×0.150

    0 counted reviews, 0 up and 0 down votes. Full formula

    Is Notion a good Tettra alternative?

    Verified facts

    1 of 3 verified
    Free plan
    Yes
    Checked Oct 24, 2026notion.com(opens source in a new tab)
    Platforms
    Web, Windows, macOS, iOS, Android
    Not checked yetnotion.com(opens source in a new tab)
    Open source
    No
    Not checked yetnotion.com(opens source in a new tab)
  5. Outline logo

    5. Outline

    Best for: Teams that want a modern wiki with the option to host it themselves

    Free plan + paidSelf-hostableWeb, macOS, Windows, Self-hosted

    55.3

    score / 100

    Why switch from Tettra

    Slack-integrated wiki that can be self-hosted.

    Pros

    • Fast editor with Markdown shortcuts
    • Free self-hosted Community Edition
    • API, webhooks and built-in MCP server
    • Good Slack integration

    Cons

    • Self-hosting needs real dev-ops skill
    • Source-available licence, not OSI open source
    • Community Edition has no support
    Visit Outline Details and reviews
    How this score is calculated
    Editorial fit ×0.363
    Reviews ×0.363
    Clicks (90 days) ×0.150
    Freshness ×0.1585
    Votes ×0.150

    0 counted reviews, 0 up and 0 down votes. Full formula

    Is Outline a good Tettra alternative?

    Verified facts

    5 of 5 verified
    Free trial
    30 days on cloud
    Checked Oct 25, 2026getoutline.com(opens source in a new tab)
    Cloud starting price
    $10 per month
    Checked Oct 25, 2026getoutline.com(opens source in a new tab)
    Self-hosted Community Edition
    $0, limited features, no support
    Checked Oct 25, 2026getoutline.com(opens source in a new tab)
    Self-hosted Business
    $4 per user/month, 10-user minimum
    Checked Oct 25, 2026getoutline.com(opens source in a new tab)
    MCP server
    Built in
    Checked Oct 25, 2026getoutline.com(opens source in a new tab)

The best Tettra alternative for…

The highest-ranked app in this list for each need.

Slab logo

Best Tettra alternative for most people

Slab

A clean wiki with a free plan and unified search.

Notion logo

Best Tettra alternative for a free plan you can upgrade

Notion

A general workspace with Q&A features if you want docs and projects together.

Outline logo

Best Tettra alternative for self-hosting

Outline

Slack-integrated wiki that can be self-hosted.

Slite logo

Best Tettra alternative for Mac

Slite

AI answers in Slack plus a fuller document editor.

Slab logo

Best Tettra alternative for Windows

Slab

A clean wiki with a free plan and unified search.

Slite logo

Best Tettra alternative for iPhone and Android

Slite

AI answers in Slack plus a fuller document editor.

Guru logo

Best Tettra alternative for working in the browser

Guru

Enterprise-grade verification and delivery into more tools than just Slack.

Tettra alternatives: common questions

What is the best alternative to Tettra?

Slab ranks first right now. A clean wiki with a free plan and unified search. Guru and Slite follow it in our ranking.

Is there a free alternative to Tettra?

Yes. Slab (free plan + paid), Notion (free plan + paid) and Outline (free plan + paid) have a free option. Check each app's verified facts for current plan limits.

Is there an open-source alternative to Tettra?

None of the 5 alternatives in this list is open source.

Why do people switch from Tettra?

The complaints we hear most: ten-user minimum on the main plan; much less useful for teams not on Slack; no free plan, only a trial.

How is this list ranked?

Every app is scored with the same published formula: how directly it replaces Tettra, reviews (weighted by verification), visits from AppBreakup, how recently its facts were checked against its own website, and reader votes.