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What are the most popular libraries in Java, JS, and Ruby?

Lucy Carey
Gits

Takipi sifts through 30,000 GitHub Projects to find out how much each one is being used.

Love them or loath them, choosing which library to use
for your latest project can be one of the most challenging aspects
of the planning process. That’s not necessarily a bad thing though
– the huge variety of choice means that you’ve a wealth of options
at hand to meet individual needs.

The downside of this is that it can be all to easy to
be swayed by a sexy new framework over old faithful alternatives,
only to find a few months down the line that the committers behind
it have disappeared as fast as they signed up.

With this in mind, production server debugging
specialists
Takipi
wanted to take a look at the communities of users and
contributors behind the myriad of options out there to see which
ones appeared to have the highest volumes of engagement – and by
proxy, chances of being successful in years to come.

To do this, they picked the top three languages on
GitHub – Java, Ruby, and JavaScript –  and sifted through a
mammoth 10,000 GitHub repositories for each one, biasing their
research towards those most frequently favored by developers.
 

The team analyzed the top 100 most frequently used
components, breaking them down into sub-categories such as Testing,
Database, and UI, and then finally broke their results down into
individual top ten lists (if you’ve got time to kill and you’d like
to read through the full lists, you can find the results
here
).

Individual top ten libraries were as follows:

Perhaps the most interesting take home from the world
of Java is that, whilst 25% of the top 100 Java libraries split
fairly evenly between Apache and Spring, Google libraries such as
GWT and Guava are clearly gaining traction, gaining a 7% share in
the listings.

Both Java and Ruby repositories are chock a block with
test driven development (TDD) tools. Between 40 and 50 percent of
projects reviewed are utilising an automated testing framework,
with JUnit the most popular in Java and RSpec in Ruby
respectively.

Predictably, data processing takes up a sizeable chunk
of the Java top 100, with 16% of top entries centering on database
management and Hadoop leading the charge.

In other takings from Ruby world, amidst a sea of NoSQL
groupies, good old vanilla SQL still reigns supreme. 25% of Ruby
projects use Sqlite, postgreSQL, whilst Redis and MongoDB only
appear 3% of the time. That being said, MongoDB still appears in
twice as many Ruby projects than Java – 185 in all.

New JavaScript language layer CoffeeScript is
currently trending with Ruby devs, with over 1000 projects
currently employing it. And speaking of trending, there’s a
definite Twitter buzz, with it being employed in three libraries in
the Ruby top 100 and 382 projects.

And finally, on to (relatively) new kid on the block,
JavaScript. It crams in 50% more frameworks than Java or Ruby,
reflecting that fact that a lot of new capabilities have yet to be
absorbed into the language or standard libraries.

The language is grappling its way towards structure
though. With 844 entries, it also has the largest number of
language extensions. As developers look to refine JavaScript,
Underscore.js, which provides functional programming capabilities
similar to those found in more structured languages such as Scala,
is being frequently employed. Currently, there are 416 entries –
making it the 5th most prevalent in this library.

Image by yukop

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