Best Technical Documentation Software in 2026
Updated
In short: IT Glue is ranked #1 of 35 as of 2 October 2026, ahead of GitBook and Paligo. The best-ranked option with a free plan is GitBook. The lowest first paid tier on this page is Redocly at $10/mo.
When creating and maintaining technical material, consider how authors update it and how readers find what they need. Documentation versioning and full-text search are useful comparison points, alongside custom domains, private documentation, and reader analytics. The paid author limit may matter when planning who can contribute; compare it with the free-plan and “Paid from” details for access and cost. IT Glue, GitBook, and Paligo are among the options shown, as are Docsie and Mintlify. Weigh the listed features against the way you expect to publish documentation, manage contributors, and make information available to readers.
35 technical documentation software ranked on what their makers publish — plans and prices, free tiers, platforms and the facts on their own pages.
Recognised 40% · Phone app 26% · Documented 20% · Free plan 14% of the score
- 1 IT Glue iPhone + Android RecognisedPhone appDocumentedFree plan 7.0$29/mo
- 2 GitBook No phone app RecognisedPhone appDocumentedFree plan 6.4$65/mo Custom domain: Yes
- 3 Paligo No phone app RecognisedPhone appDocumentedFree plan 6.4$416.67/mo Custom domain: YesPrivate documentation: YesDocumentation versioning: Yes
- 4 Docsie No phone app RecognisedPhone appDocumentedFree plan 6.3$170/mo Custom domain: YesPrivate documentation: YesDocumentation versioning: Yes
- 5 Mintlify No phone app RecognisedPhone appDocumentedFree plan 6.3$450/mo Custom domain: Yes
- 6 Sphinx No phone app RecognisedPhone appDocumentedFree plan 6.3Free
- 7 DocFX No phone app RecognisedPhone appDocumentedFree plan 6.2Free
- 8 Dokiel No phone app RecognisedPhone appDocumentedFree plan 6.2Free
- 9 Dr.Explain No phone app RecognisedPhone appDocumentedFree plan 6.1$24.17/mo
- 10 ReadMe No phone app RecognisedPhone appDocumentedFree plan 6.1$250/mo Custom domain: Yes
- 11 Stoplight Elements No phone app RecognisedPhone appDocumentedFree plan 6.1Free
- 12 Fern No phone app RecognisedPhone appDocumentedFree plan 6.0Free Custom domain: Yes
- 13 MkDocs No phone app RecognisedPhone appDocumentedFree plan 5.8 Custom domain: Yes
- 14 Read the Docs No phone app RecognisedPhone appDocumentedFree plan 5.8$50/mo Custom domain: Yes
- 15 Redocly No phone app RecognisedPhone appDocumentedFree plan 5.8$10/mo Custom domain: Yes
- 16 MadCap Flare No phone app RecognisedPhone appDocumentedFree plan 5.6$262.50/mo Custom domain: YesPrivate documentation: YesDocumentation versioning: Yes
- 17 ClickHelp No phone app RecognisedPhone appDocumentedFree plan 5.5$16.17/mo Custom domain: YesPrivate documentation: YesDocumentation versioning: Yes
- 18 Docusaurus No phone app RecognisedPhone appDocumentedFree plan 5.4 Custom domain: Yes
- 19 Fluid Topics No phone app RecognisedPhone appDocumentedFree plan 5.4 Custom domain: YesPrivate documentation: YesDocumentation versioning: Yes
- 20 Archbee No phone app RecognisedPhone appDocumentedFree plan 5.3$80/mo Custom domain: Yes
- 21 HelpDocs No phone app RecognisedPhone appDocumentedFree plan 5.3$129/mo Custom domain: Yes
- 22 Heretto No phone app RecognisedPhone appDocumentedFree plan 5.3 Custom domain: YesPrivate documentation: YesDocumentation versioning: Yes
- 23 VitePress No phone app RecognisedPhone appDocumentedFree plan 5.3 Custom domain: Yes
- 24 Antora No phone app RecognisedPhone appDocumentedFree plan 5.2 Custom domain: YesDocumentation versioning: Yes
- 25 Astro Starlight No phone app RecognisedPhone appDocumentedFree plan 5.2 Documentation versioning: Yes
Is your app on this list?
Numbered spots on this list can be sponsored. They are labelled, and the editorial order and scores never change for payment.
Questions about this list
Which technical documentation software is ranked first on Samsung Mobile US Press?
IT Glue is ranked #1 of 35 with a score of 7.0. GitBook is second and Paligo third.
How many of these have a free plan?
10 of the 25 on this page publish a free plan on their own pricing pages.
Which is the cheapest paid option?
On this page, Redocly has the lowest first paid tier we found: $10/mo.
How is this list ranked?
Ranked mobile-first: a phone app alongside the web or desktop product, a free tier and the depth of its documentation. Paid placements never change a rank.