The document discusses various online educational platforms that facilitate teaching and learning in the 21st century. It highlights features of platforms like Udemy, Learnopia, and SlideShare, allowing instructors to create and share courses or educational materials, either for free or for a fee. Additionally, it mentions tools like Study.com that support learning across various academic subjects.

1. For Educational Field

2. Perhaps we are now in 21st century so basically we are
now in technology era. Since the day were technologies
have been access by over the world, teachers in 21st
century are able to connect with their students easier and
enhance student learning.

4. • This is a massive online teaching
platform with over 2 million students
worldwide and 13,000 courses. It lets
instructors design robust classes
including video lectures, PowerPoint
files, screencast videos, documents,
audio files, text, and mashup videos.
The platform is completely free for
instructors to create their courses which
they may offer either for free or for a
fee. If there is a fee involved, Udemy
takes a percentage of that. This is a
very professional-looking platform that
has a lot to offer.
Source: http://oedb.org/ilibrarian/6-free-platforms-
teaching-online/

5. This free online learning platform
enables instructors to design and
offer courses consisting of a
combination of videos, audio files,
PowerPoint presentations, and
documents such as PDF files, as
well as tests consisting of multiple
choice questions. Instructors can
choose to make their courses
freely available or charge a fee for
them. Learnopia takes a
percentage of all for-fee courses.

6. Rather than a place to teach
students, this is a website
where instructors can either
sell or share freely their
teaching materials. Teachers
may post videos, learning kits,
lesson plans, study guides,
clip art, and much more that
they can choose to give away
or charge for. If there is a
charge involved, teachers
earn royalties on the money
earned.

7. • Slide Share is an online community that
allows users to upload and share
PowerPoint presentations, documents,
and infographics. It also provides users
the ability to rate, comment on, and
share the uploaded content. The
platform covetechnology, rs topics such
leadership, education, marketing,
design, entertainment, data analytics,
economy and finance, engineering,
environment, food, health and
medicine, real estate, recruiting and
HR, retail, social media, travel, and
more.
Source: https://www.crunchbase.com/organization/slideshare

8. • The Study.com app will help
you learn any academic
subject on the go. An online
learning platform, to provide
you with a flexible,
affordable pathway to
finishing your degree.