Best Slab Alternatives in 2026
A sourced shortlist of the top Slab competitors: Tettra, Guru, GitBook and Document360. Each is compared with Slab on pricing, free plan, features and fit, using dated vendor and independent sources. No rankings and no paid placement.
- Updated 10 Nov 2026Profiles verified 11 Nov 2026
- 4 alternativesEach with a full sourced profile
- Not a rankingFit depends on your priorities
- Not tested by Stack18Editorial summary of documented facts
What are the best alternatives to Slab?
The main alternatives to Slab covered here are Tettra, Guru, GitBook and Document360. Tettra may suit Slack-centric teams fielding repeat questions, while Guru may suit support and sales teams needing verified answers in their workflow. None is best for everyone: the right knowledge base tool depends on team size, budget and which Slab limitation you are trying to solve.
Teams usually start looking beyond Slab for documented reasons: no public publishing; no browser extension. Slab remains a reasonable fit for teams wanting a clean, searchable internal wiki, so an alternative is not automatically better, only different.
Below, every option is compared with Slab in one table, then described with its strengths, trade-offs and pricing, each taken from its own sourced profile. Anything the sources do not document is marked as unknown.
Why teams look for Slab alternatives.
Each reason is a limitation documented on the Slab profile, with its source cited there.
Scope and fit
No public publishing.
Other trade-offs
No browser extension.
Seat and user limits
Enterprise needs 100+ users.
According to its profile, Slab may be less suited to: public help centers; project management.
Slab vs its top alternatives at a glance.
Slab is shown first for reference. Summaries come from each sourced profile; suitability depends on company size, budget, use case and technical requirements.
| Product | Best for | Pricing model | Starting price | Free plan | Audience | Best for |
|---|---|---|---|---|---|---|
 Slab (current tool) | Teams wanting a clean, searchable internal wiki | Per user | Free; $6.67/user/mo | Yes (10 users) | Internal | Team wikis |
 Tettra | Slack-centric teams fielding repeat questions | Per user | $8/user/mo (10 min) | No; 30-day trial | Internal | Slack teams |
 Guru | Support and sales teams needing verified answers in their workflow | Quote (per seat) | ~$25/seat (unconfirmed) | No | Internal | Verified answers |
 GitBook | Technical teams publishing product and API docs | Per site + per user | Free; $65/site + $12/user | Yes (1 user) | Public product docs | Developer docs |
 Document360 | Product companies building versioned public help centers | Quote (per project) | Quote | No (closed) | Public help center | Versioned docs |
Each Slab alternative described.
Pricing, strengths and trade-offs are taken from each product's profile, where every point is linked to a dated source.
Tettra
Tettra · Slack-first knowledge base
Tettra is an internal knowledge base and Q&A tool that works inside Slack, with page owners, review workflows and AI answers to repeat questions.
- Pricing
- Scaling $8 per user a month (10-user minimum; ~$6.40 annual); Enterprise custom; 30-day trial.
- Free plan
- No
- Team size
- Small teams, Mid-size teams
- Lives in Slack.
- Owner-and-review workflow.
- 10-user minimum.
- No browser extension.
Guru
Guru · Verified internal knowledge
Guru is an internal knowledge management platform built on verified cards with owners and expiry dates, delivered where people work through a browser extension, Slack and Microsoft Teams.
- Pricing
- No published prices; third-party reports cite ~$25 per seat a month with a 10-seat minimum (unconfirmed).
- Free plan
- No
- Team size
- Mid-size teams, Large enterprises
- Verified cards with owners.
- Answers in Slack and browser.
- Opaque pricing.
- Card format strains with long docs.
GitBook
GitBook · Docs-as-code platform
GitBook is a documentation platform for product and developer docs, with branch-based change requests, a Markdown editor, custom domains and GitHub and GitLab sync.
- Pricing
- Free (1 user); Premium $65 per site + $12 per user a month; Ultimate $249 per site + $12 per user (annual); Enterprise custom.
- Free plan
- Yes
- Team size
- Small teams, Mid-size teams, Large enterprises
- Git-native reviews.
- Clean Markdown editor.
- Per-site plus per-user costs add up.
- Less suited to non-technical teams.
Document360
Document360 · Knowledge base and help center
Document360 is knowledge base software for building public help centers and internal documentation with versioning, categories, multi-language support and the Eddy AI assistant.
- Pricing
- Quote-only; historic list pricing about $199 to $799+ per project a month (unverified); free plan closed to new signups.
- Free plan
- No
- Team size
- Small teams, Mid-size teams, Large enterprises
- Versioned public help centers.
- Failed-search analytics.
- Quote-only pricing.
- Per-project costs multiply.
Which Slab alternative should you choose?
No single alternative is best for everyone. Match the scenario to your own requirements, then test two or three options against a real process.
Consider Tettra if you are…
- Slack-centric teams fielding repeat questions
- Remote companies
- People and ops teams
Consider Guru if you are…
- Support and sales teams needing verified answers in their workflow
- Revenue enablement
- Distributed teams
Consider GitBook if you are…
- Technical teams publishing product and API docs
- Open-source projects
- Developer platforms
Consider Document360 if you are…
- Product companies building versioned public help centers
- Multi-language support teams
- Technical writing teams
Stay with Slab if you are…
- Teams wanting a clean, searchable internal wiki
- Startups
- Engineering-led companies
How to switch from Slab.
Moving off Slab means exporting articles with images and attachments, preserving categories, versions and translations, rebuilding templates, permissions and search settings, setting redirects for public URLs and reconnecting help desk, chat and Slack integrations. Import a representative set of real articles into each shortlisted tool, then test search with real customer or employee questions and measure how fast answers are found.
- Export a sample of your Slab data and test an import into the new product.
- List the automations, integrations and permissions you would need to rebuild.
- Compare total cost for your real seat count, including add-ons and onboarding fees.
- Pilot with one team before a full cut-over.
- Check contract terms, renewal dates and notice periods with Slab.
General guidance, not specific to any vendor. Confirm migration options with the vendors.
Slab alternatives: questions and answers
What is the best alternative to Slab?
No single alternative is best for everyone. The alternatives covered here are Tettra, Guru, GitBook and Document360. Tettra may suit Slack-centric teams fielding repeat questions. Guru may suit support and sales teams needing verified answers in their workflow. GitBook may suit technical teams publishing product and API docs. Test two or three against your own process before deciding.
Is there a free alternative to Slab?
Yes. GitBook lists a free plan or free tier in its sourced profile. Free plans usually cap users, records or usage, so check the limits on each profile before relying on one.
Which Slab alternative is best for small teams?
Tettra, GitBook and Document360 are documented for small teams. Tettra may suit Slack-centric teams fielding repeat questions. GitBook may suit technical teams publishing product and API docs. Document360 may suit product companies building versioned public help centers.
Which Slab alternatives suit larger organisations?
Guru, GitBook and Document360 are documented for large enterprises as well as smaller teams. Larger rollouts should also check SSO, permissions, audit logs and contract terms on each profile.
Why do teams switch from Slab?
The limitations documented on the Slab profile are: No public publishing. No browser extension. Enterprise needs 100+ users. Whether they matter depends on your team and budget.
Who should stay with Slab?
Slab may still suit teams wanting a clean, searchable internal wiki; startups; engineering-led companies.
Where can I compare Slab with a competitor side by side?
Stack18 has head-to-head comparisons for Guru vs Slab, each with a feature table and pricing summary.
How were these Slab alternatives chosen?
They are the products listed as alternatives on the Slab profile and other products in the Knowledge Base Software category with overlapping use cases. They are listed in the order shown, not ranked, and no vendor paid for placement. Each profile was verified on 11 Nov 2026.
Where this shortlist comes from.
- Best Document360 Alternatives in 2026 (24 August 2026) Rework Third-party Accessed 11 Nov 2026
- Best Guru Alternatives in 2026 (24 August 2026) Rework Third-party Accessed 11 Nov 2026
Alternatives are summarised from the linked profiles and their sources: all sources for Slab and the main sources for each alternative. Confirm current details with each vendor. Stack18 has not tested these products.
Evaluating Slab alternatives?
Compare your shortlist side by side, read the full profiles, or talk to Stack18 if off-the-shelf software is not the answer.
Logos provided by Logo.dev. Product names and logos are trademarks of their respective owners and appear for identification only; they do not imply endorsement.