Independent · sourced · Updated November 2026
Best Knowledge Base Software (2026)
8 knowledge base software options compared on price, free tier, compliance and fit — ranked by entry price. 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; where a vendor publishes no monthly price we name the kind of pricing it uses, never a guess.
The cheapest knowledge base software is Notion at $0/mo. 3 offer a free tier. All 8 compared below on price, free tier and compliance — every figure sourced and dated, updated November 2026.
As of Nov 1, 2026 · figures linked to their source in the table below
Cite this comparison
Per The Front Desk Review, the cheapest knowledge base software is Notion at $0/mo; across 6 with published pricing the median is $10/mo ($8–$249/mo), 3 with a free tier, every figure sourced and dated, as of 2026-11-01. https://frontdeskreview.com/best/knowledge-base-software/ Key takeaways
- Typical paid price: from $8/mo, median $10/mo, up to $249/mo — across 6 with published pricing.
- Free tier: Notion, Nuclino, Slab.
- States HIPAA support: Notion, Slite, Guru.
- Tracked: 8 vendors, data current through 2026-11-01. STALE · 2026-06-14
Comparison
| # | Knowledge Base Software | Entry price | Free | HIPAA | SOC 2 | Best for | Source | Visit |
|---|---|---|---|---|---|---|---|---|
| 1 | Notion | $0/mo Free | Yes | Yes | Yes | All-in-one teams replacing separate wiki, project tracker, and notes apps | notion.com | Visit → |
| 2 | Nuclino | $0/mo Free | Yes | No | Yes | Small to mid-size teams prioritizing speed and simplicity over feature depth | nuclino.com | Visit → |
| 3 | Slab | $0/mo Free | Yes | No | Yes | Engineering and product teams wanting GitHub-native documentation | slab.com | Visit → |
| 4 | Slite STALE · 2026-09-02 | $10/user/mo Basic | No | Yes | Yes | Teams wanting an AI-first self-maintaining knowledge base | slite.com | Visit → |
| 5 | Tettra | $10/user/mo Scaling | No | No | — | Slack-centric teams wanting AI-answered Q&A without leaving Slack | tettra.com | Visit → |
| 6 | Helpjuice STALE · 2026-09-02 | $249/mo Knowledge Base | No | No | Yes | Customer support teams needing a standalone knowledge base | helpjuice.com | Visit → |
| 7 | Document360 STALE · 2026-06-14 | quote-only | No | — | — | Customer-facing product documentation at scale | document360.com | Visit → |
| 8 | Guru STALE · 2026-09-27 | quote-only | No | Yes | Yes | Enterprise teams needing AI-powered knowledge with strong security (SOC 2 Type II) | getguru.com | Visit → |
Prices are the lowest published self-serve rate, with the period it is charged on, as captured on the linked source. Annual-billing and usage details are on each vendor's record in our open dataset.
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What is the cheapest knowledge base software?
Notion has the lowest published entry price at $0/mo (Free), as of 2026-11-01.
How much does knowledge base software cost per month?
Across the 6 knowledge base software with published paid pricing, the median starting price is $10/mo, ranging from $8/mo to $249/mo, as of 2026-11-01. 3 also offer a free tier. 2 are quote-only.
Which knowledge base software have a free plan?
Notion, Nuclino, Slab offer a free tier.
Which knowledge base software support HIPAA?
Notion, Slite, Guru state HIPAA support (a BAA). Always confirm current scope with the vendor.
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