1
Obsidian
Cheapest
added 2026
Freemium
Paid from $4/mo
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5 Product Documentation tools
Every listed tool supports Product Documentation. No reader votes yet, so reviews and saves set the order. 4 have a free way in.
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4 data-backed ways into the list.
Top 5, side by side
The 5 most-voted tools on the facts readers ask about.
| Fact | #1 Obsidian | #2 PRDKit | #3 Confluence | #4 Guru | #5 Read the Docs |
|---|---|---|---|---|---|
| Reader votes | 0 | 0 | 0 | 0 | 0 |
| Rating | |||||
| Pricing model | Freemium | Freemium | Freemium | Paid | Freemium |
| Starts at | $4/mo | $15/mo | $5.42/mo | $25/mo | $50/mo |
| Free way in | Yes | Yes | Yes | No | Yes |
| Saves | 0 | 1 | 0 | 0 | 0 |
| Added | 2026 | 2025 | 2026 | 2026 | 2026 |
What this costs
Here’s how all 5 tools break down by starting price.
Median entry price $15/moCheapest paid $4/moFree plan available 4 of 5
BoostedSponsored, does not affect rank
Your tool, in front of 5 competitors
Paid placements appear above the ranking, labelled honestly.
All 5 tools
Ordered by reviews and saves until readers vote.
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Showing all 5 tools. No reader votes yet, so reviews and saves set the order, then A to Z.
2
added 2025
Freemium
Paid from $15/mo
3
added 2026
Freemium
Paid from $5.42/mo
4
added 2026
Paid
From $25/mo
5
added 2026
Freemium
Paid from $50/mo
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4 questions
Common questions
Answers derived from the tools on this page.
How many Product Documentation tools are there?
Siteefy's live index currently tracks 5 Product Documentation tools, with 4 added in 2026. The count updates automatically as tools are published or retired.
Are there free Product Documentation tools?
Yes. 4 offer a free plan alongside paid tiers.
How much do Product Documentation tools cost?
Paid plans start at $4/mo (Obsidian). Each row in the list above shows the tool's pricing model and starting price.
How is this Product Documentation list ranked?
The list is waiting for its first reader votes. Voting on any tool creates the ranking, star ratings come from community reviews, and anyone can suggest a missing tool.