Best Knowledge Base Software · alternatives
Best Slab alternatives (2026)
7 alternatives to Slab in knowledge base software, ranked by entry price. Slab starts at $0/mo. Every figure links to the public page it was captured from — the vendor's own wherever the vendor publishes the number, otherwise the named public source — with the date we captured it.
Key takeaways
- Free alternatives: Notion, Nuclino.
- Closest by price: Notion ($0/mo), Nuclino ($0/mo), Slite ($10/user/mo).
Slab alternatives compared
| # | Alternative | Entry price | Free | HIPAA | Best for | Source |
|---|---|---|---|---|---|---|
| 1 | Notion | $0/mo | Yes | Yes | All-in-one teams replacing separate wiki, project tracker, and notes apps | notion.com |
| 2 | Nuclino | $0/mo | Yes | No | Small to mid-size teams prioritizing speed and simplicity over feature depth | nuclino.com |
| 3 | Slite STALE · 2026-09-02 | $10/user/mo | No | Yes | Teams wanting an AI-first self-maintaining knowledge base | slite.com |
| 4 | Tettra | $10/user/mo | No | No | Slack-centric teams wanting AI-answered Q&A without leaving Slack | tettra.com |
| 5 | Helpjuice STALE · 2026-09-02 | $249/mo | No | No | Customer support teams needing a standalone knowledge base | helpjuice.com |
| 6 | Document360 STALE · 2026-06-14 | quote-only | No | — | Customer-facing product documentation at scale | document360.com |
| 7 | Guru STALE · 2026-09-27 | quote-only | No | Yes | Enterprise teams needing AI-powered knowledge with strong security (SOC 2 Type II) | getguru.com |
Data current through 2026-11-01. STALE marks a row whose price we have not re-checked at its source in over 30 days; a vendor with no published price is marked when any of its plans is. 4 of 7 rows above are marked. Compare any two directly on the Knowledge Base Software index.