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 vendor's own page and the date we captured it.
Key takeaways
- Free alternatives: Notion, Nuclino.
- Closest by price: Notion ($0/mo), Nuclino ($0/mo), Tettra ($8/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 | Tettra | $8/mo | No | No | Slack-centric teams wanting AI-answered Q&A without leaving Slack | tettra.com |
| 4 | Slite | $10/mo | No | Yes | Teams wanting an AI-first self-maintaining knowledge base | slite.com |
| 5 | Helpjuice | $249/mo | No | No | Customer support teams needing a standalone knowledge base | helpjuice.com |
| 6 | Document360 | — | No | — | Customer-facing product documentation at scale | quote-only |
| 7 | Guru | — | No | Yes | Enterprise teams needing AI-powered knowledge with strong security (SOC 2 Type II) | quote-only |
Data current through 2026-06-14. Compare any two directly on the Knowledge Base Software index.