MERLOT vs CK-12 FlexBook 2.0

MERLOT9.4Visit CK-12 FlexBook 2.08.5Visit

Higher score MERLOT #1 in Open Educational Resource Platforms 9.4/10 Free plan Free plan✓ 6 of 6 features Visit MERLOT

vs

CK-12 FlexBook 2.0 #8 in Open Educational Resource Platforms 8.5/10 Free plan Free plan✓ 0 of 6 features Visit CK-12

• MERLOT fits best

  Broad OER discovery, creation, and integration

• CK-12 FlexBook 2.0 fits best

  Interactive K–12 science learning resources

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Side by side

Feature	MERLOT 9.4/10 Visit ↗	CK-12 FlexBook 2.0 8.5/10 Visit ↗
At a glance
Editor score	9.4	8.5
Ranking	#1 in Open Educational Resource Platforms	#8 in Open Educational Resource Platforms
Best for	Broad OER discovery, creation, and integration	Interactive K–12 science learning resources
Pricing model	Free	Free
Starting price	Free plan	Free plan
Free plan	✓	✓
Free trial	—	—
Deployment	Cloud, Browser extension	Cloud
Platforms	Web	Web
Support	Email, Docs	Email, Community, Docs
Integrations	4 integrations	6 integrations
Built for	Solo, Small business, Mid-market, Enterprise	Small business, Mid-market, Enterprise
Features MERLOT 6/6 · CK-12 FlexBook 2.0 0/6
Open-license filter	✓ (best)	Not checked yet
Remix and adaptation	✓ (best)	Not checked yet
Authoring tools	✓ (best)	Not checked yet
Publishing workflow	✓ (best)	Not checked yet
API access	✓ (best)	Not checked yet
Content review	✓ (best)	Not checked yet
Specs
Download formats	Common Cartridge, PDF, Zip, Word, PowerPoint, Excel, RTF, TXT, CSV, SAV, SCORM, website, audio, video, image	Not checked yet
Our review
Pros	Advanced search includes discipline, format, audience, mobile, and license filters Content Builder supports hosted website creation and public publishing APIs, Common Cartridge, and four LMS integrations support reuse	Customizable textbooks combine lessons, videos, interactives, and practice. Physics and chemistry simulations support interactive concept learning. Assignments, assessments, and progress insights support classroom management.
Cons	Many discoverable resources are linked externally rather than hosted The platform is web-based, with no listed native desktop or mobile apps Content Builder publishing is narrower than a full learning management system	Its strongest scope is K–12 science rather than broader subject coverage. The platform is browser-based across supported laptops, tablets, and mobile devices. Teachers must tailor chapters, add materials, and organize assigned content.
Our verdict	MERLOT is a free, web-based community and repository for discovering, contributing, evaluating, organizing, and creating online teaching and learning materials. It primarily serves higher education educators, learners, researchers, and… Read the review →	CK-12 FlexBook 2.0 is a free, browser-based platform for customizable digital textbooks and interactive learning materials. It is designed for K–12 science learning and serves students, teachers, parents, and schools. Teachers can… Read the review →

Strengths and trade-offs

• MERLOT — where it wins

  • Advanced search includes discipline, format, audience, mobile, and license filters
  • Content Builder supports hosted website creation and public publishing
  • APIs, Common Cartridge, and four LMS integrations support reuse

  Where it doesn't

  • Many discoverable resources are linked externally rather than hosted
  • The platform is web-based, with no listed native desktop or mobile apps
  • Content Builder publishing is narrower than a full learning management system

• CK-12 FlexBook 2.0 — where it wins

  • Customizable textbooks combine lessons, videos, interactives, and practice.
  • Physics and chemistry simulations support interactive concept learning.
  • Assignments, assessments, and progress insights support classroom management.

  Where it doesn't

  • Its strongest scope is K–12 science rather than broader subject coverage.
  • The platform is browser-based across supported laptops, tablets, and mobile devices.
  • Teachers must tailor chapters, add materials, and organize assigned content.

• MERLOT9.4/10 · Free plan

  A free OER platform with strong discovery, authoring, review, and LMS integration.

  Visit MERLOTFull verdict →
• CK-12 FlexBook 2.08.5/10 · Free plan

  A free, science-focused platform combining editable textbooks, simulations, practice, and assessments.

  Visit CK-12Full verdict →