
GitBook
Slite
Mintlify
Docusaurus
ReadMe
Google Docs
Nuclino
Archbee is a developer-focused product docs tool for your team. Build beautiful product documentation sites or internal wikis/knowledge bases to get your team and product knowledge in one place.

Coassemble
Trainn.co
Build courses by API, drop them into your product with one iframe, and get told who finished. No portal, no learner accounts, priced per course view.

Which is more popular?
Based on our record, Archbee.io seems to be more popular. It has been mentioned 21 times since March 2021.
Website, pricing, platforms and company facts side by side.
|
|
|
|
|---|---|---|
| Website | archbee.com | underlayerhq.com |
| Pricing | ||
| Platforms | — | |
| Company | 2019 | Startup from the United Arab Emirates · 1 - 9 employees · 2026 |
| Listed in |
In their own words, as submitted to SaaSHub.


Write in a blazingly fast WYSIWYG editor with 30+ custom blocks and native markdown to create built-in diagrams, API docs, Swagger, GraphQL. Check the out of the box integrations with Github, Slack, Lucidchart, Airtable, Google Sheets, Typeform, Jira, or Figma. Inline comments for async...
Underlayer is headless, API-first training for SaaS products. Instead of sending your users to a separate LMS portal, you generate a course, embed it where they already work, and get every completion sent back to your own systems. How it works Create a course. Generate one from a doc or a prompt...
What each product offers, as listed by its team.


No features have been listed yet.
Walkthroughs and reviews on video.
Archbee.io Review- My Honest Opinion
More videos
Underlayer demo
How often each product is chosen within a category, 0–100% relative to the other.


As answered by people managing Archbee.io and Underlayer.
Underlayer's answer:
it's pre-launching
Underlayer's answer:
Underlayer is training with no portal. You build a course by API, by MCP, or in the visual builder, and add it to your product with one iframe. Then signed webhooks tell your systems who finished. Learners never create an account or leave your app, and the player uses your theme, so it looks like part of your product. We charge per course view, not per seat, and every price and overage rate is published.
Underlayer's answer:
Most course tools, like Coassemble, Trainn and LearningStudioAI, assume training happens on their own site: learners sign up, log in and get enrolled, and you pay per seat. Underlayer takes the opposite approach:
No learner accounts. You pass in your own user IDs and we track progress against them. Built for developers. A full REST API covers every resource, and an MCP server lets AI agents create and edit courses. Results in your own tools. Signed webhooks send completions to your CRM, your product or your data warehouse. SCORM 1.2 and 2004 export for customers who still need to load courses into an LMS. Public pricing. Plans start at $149/month for 25,000 course views, with unlimited learners and no sales call required.
Underlayer's answer:
SaaS product, customer success and engineering teams who want onboarding, product education or compliance training inside their own app. It also suits platforms that train other people's users, like partner networks, marketplaces and field-ops tools, where a separate LMS login gets in the way.
Underlayer's answer:
Every company putting training in front of its users hit the same wall: the LMS wanted to own the learner. That meant a separate portal, a second login and a per-seat bill for people who never opened a course. We built Underlayer as the layer underneath instead. You keep the product and the user relationship. We handle building the course, playing it and tracking progress, and we stay out of the way.
Underlayer's answer:
Next.js 16 (App Router) with React 19 and TypeScript, Tailwind CSS v4, and Supabase (Postgres with row-level security, Auth and Storage). Claude from Anthropic generates courses with AI. Stripe handles billing and Resend sends email. There is also a remote MCP server with OAuth 2.1 for AI-agent access.
Share your experience with using Archbee.io and Underlayer. For example, how are they different and which one is better?
External articles and on-site reviews we used to compare the two products.


One alternative to Gitbook is Archbee. A powerful platform that allows users to write, collaborate and publish self-service knowledge portals quickly. One of the main advantages of using Archbee is its simplicity...
Archbee offers Mermaid, as well as Markdown through GitHub, and API capabilities, meaning it’s perfect for code documentation. In addition, 30+ custom blocks, as well as 25 embeds and integrations available, make this...
We have no reviews of Underlayer yet. Be the first one to post
Recommendations tracked on public social media and blogs since March 2021.


If you have a tech business, you should look into an internal knowledge base that is aligned with developers. archbee.com is similar to document360, but with features that are relevant to write developer documentation, APIs etc. Source: about 4 years ago
But if you want something similar with your example, check archbee.com, it has integration with GraphiQL. Source: about 4 years ago
If you want to get a tool and don't need to start building your own setup I would recommend looking into some documentation platforms like archbee.io. Source: over 4 years ago
Tracking Underlayer since Sep 2026.
When comparing Archbee.io and Underlayer, you can also consider the following products.

Modern Publishing, Simply taking your books from ideas to finished, polished books.
Compare GitBook to Archbee.io or Underlayer:

Coassemble is an all-in-one, online training tool that connects people with the information they need – anytime, anyplace.
Compare Coassemble to Archbee.io or Underlayer:


Trainn is a Customer Education platform for SaaS companies of all sizes to onboard and train customers, at scale, using product training & how-to videos, feature walkthroughs, and a dedicated customer training Academy.
Compare Trainn.co to Archbee.io or Underlayer:

The AI-powered documentation writer. It's documentation that just appears as you build
Compare Mintlify to Archbee.io or Underlayer:

Easy to maintain open source documentation websites
Compare Docusaurus to Archbee.io or Underlayer: